Skip to content
David Carlisle edited this page May 20, 2022 · 1 revision
Name Subject `Form` Known notation Sources Alias
A abelian-category category theory `symbol` mi Ab https://mathworld.wolfram.com/AbelianCategory.html<br/>[https://en.wikipedia.org/wiki/Abelian_category](https://en.wikipedia.org/wiki/Abelian_category)<br/>https://ncatlab.org/nlab/show/abelian+category<br/>https://www.encyclopediaofmath.org/index.php/Abelian_category
abelian-integral complex analysis `indexed` mo ∫ https://mathworld.wolfram.com/AbelianIntegral.html<br/>https://en.wikipedia.org/wiki/Abelian_integral<br/>https://www.encyclopediaofmath.org/index.php/Abelian_integral
abundance number theory `prefix` mi A [https://mathworld.wolfram.com/Abundance.html](https://mathworld.wolfram.com/Abundance.html)
abundancy number theory `mixfix` sigma (n) / n https://mathworld.wolfram.com/Abundancy.html<br/>https://en.wikipedia.org/wiki/Friendly_number<br/>
ackermann-function computability theory `function` mi A [https://en.wikipedia.org/wiki/Ackermann_function](https://en.wikipedia.org/wiki/Ackermann_function)<br/>[https://www.encyclopediaofmath.org/index.php/Ackermann_function<br/>](https://www.encyclopediaofmath.org/index.php/Ackermann_function)[https://mathworld.wolfram.com/AckermannFunction.html](https://mathworld.wolfram.com/AckermannFunction.html)
ad calendar units `postfix` mi AD [https://en.wikipedia.org/wiki/Anno_Domini](https://en.wikipedia.org/wiki/Anno_Domini)
additive-inverse abstract algebra `prefix` mo - [https://en.wikipedia.org/wiki/Additive_inverse](https://en.wikipedia.org/wiki/Additive_inverse) opposite, sign-change, negation
adiabatic-invariant-first plasma physics `symbol` mi μ https://mathworld.wolfram.com/AdiabaticInvariant.html<br/>https://en.wikipedia.org/wiki/Adiabatic_invariant<br/>https://www.encyclopediaofmath.org/index.php/Adiabatic_invariant
adiabatic-invariant-second plasma physics `symbol` mi J https://mathworld.wolfram.com/AdiabaticInvariant.html<br/>https://en.wikipedia.org/wiki/Adiabatic_invariant<br/>https://www.encyclopediaofmath.org/index.php/Adiabatic_invariant
adiabatic-invariant-third plasma physics `symbol` mi Φ https://mathworld.wolfram.com/AdiabaticInvariant.html<br/>https://en.wikipedia.org/wiki/Adiabatic_invariant<br/>https://www.encyclopediaofmath.org/index.php/Adiabatic_invariant
adjoint https://mathworld.wolfram.com/Adjoint.html<br/>[https://en.wikipedia.org/wiki/Adjoint](https://en.wikipedia.org/wiki/Adjoint)<br/>https://ncatlab.org/nlab/show/adjoint
adjoint-action lie algebra `function`<br/>`msub` mi ad<br/>msub ad $1 https://en.wikipedia.org/wiki/Adjoint_representation_of_a_Lie_algebra<br/>[https://en.wikipedia.org/wiki/Adjoint_representation](https://en.wikipedia.org/wiki/Adjoint_representation)<br/>https://ncatlab.org/nlab/show/adjoint+action<br/>[https://www.encyclopediaofmath.org/index.php/Adjoint_action](https://www.encyclopediaofmath.org/index.php/Adjoint_action) adjoint-endomorphism
adjoint-representation lie algebra `function` mi Ad https://mathworld.wolfram.com/AdjointRepresentation.html<br/>https://en.wikipedia.org/wiki/Adjoint_representation<br/>https://ncatlab.org/nlab/show/adjoint+representation
adjugate linear algebra `function` mi adj [https://en.wikipedia.org/wiki/Adjugate_matrix](https://en.wikipedia.org/wiki/Adjugate_matrix)
affine-group group theory `function` mi Aff https://mathworld.wolfram.com/AffineGroup.html<br/>https://en.wikipedia.org/wiki/Affine_group<br/>https://www.encyclopediaofmath.org/index.php/Affine_group
affine-hull affine geometry `function` mi aff https://mathworld.wolfram.com/AffineHull.html<br/>https://en.wikipedia.org/wiki/Affine_hull<br/>https://www.encyclopediaofmath.org/index.php/Affine_hull
affine-line universal algebra? `symbol` mi 𝔸 [https://ncatlab.org/nlab/show/affine+line](https://ncatlab.org/nlab/show/affine+line)
airy-function special functions `function` mi Ai<br/>mi Bi https://mathworld.wolfram.com/AiryFunctions.html<br/>https://en.wikipedia.org/wiki/Airy_function<br/>https://dlmf.nist.gov/9.1<br/>https://dlmf.nist.gov/9.2#i<br/>https://dlmf.nist.gov/9.2#i<br/>https://ncatlab.org/nlab/show/Airy+function<br/>https://www.encyclopediaofmath.org/index.php/Airy_functions
albanese-variety algebraic geometry `function` mi A<br/>mi Alb https://mathworld.wolfram.com/AlbaneseVariety.html<br/>https://en.wikipedia.org/wiki/Albanese_variety<br/>https://ncatlab.org/nlab/show/Albanese+variety<br/>https://www.encyclopediaofmath.org/index.php/Albanese_variety
aleph set theory<br/> `symbol` mi ℵ https://mathworld.wolfram.com/Aleph.html<br/>https://ncatlab.org/nlab/show/aleph<br/>https://www.encyclopediaofmath.org/index.php/Aleph
algebraics number theory `symbol` mi 𝔸 [https://mathworld.wolfram.com/Algebraics.html](https://mathworld.wolfram.com/Algebraics.html)
algebraic-closure algebra `mover`<br/>`msup` mover ¯<br/>msup alg [https://mathworld.wolfram.com/AlgebraicClosure.html](https://mathworld.wolfram.com/AlgebraicClosure.html)<br/>[https://en.wikipedia.org/wiki/Algebraic_closure](https://en.wikipedia.org/wiki/Algebraic_closure)<br/>[https://www.encyclopediaofmath.org/index.php/Algebraic_closure](https://www.encyclopediaofmath.org/index.php/Algebraic_closure)
almost-surely probability theory mtext a.s. [https://en.wikipedia.org/wiki/Almost_surely](https://en.wikipedia.org/wiki/Almost_surely)
alternating-factorial functions `function` mi af [https://en.wikipedia.org/wiki/Alternating_factorial](https://en.wikipedia.org/wiki/Alternating_factorial)
alternating-group group theory `function` mi A<br/>mi Alt https://mathworld.wolfram.com/AlternatingGroup.html<br/>https://en.wikipedia.org/wiki/Alternating_group<br/>https://www.encyclopediaofmath.org/index.php/Alternating_group
alternation logic `infix` mo <br/>mo <br/>mo or<br/>mo +<br/>mo ∨ https://en.wikipedia.org/wiki/Alternation_(formal_language_theory)<br/>https://en.wikipedia.org/wiki/%E2%88%A8<br/>https://en.wikipedia.org/wiki/Logical_disjunction<br/>[https://www.encyclopediaofmath.org/index.php/Alternation](https://www.encyclopediaofmath.org/index.php/Alternation) disjunction, or
alternative-denial propositional calculus `infix`<br/>`prefix` mo <br/>mo ↑<br/>mrow D $1 $2 [https://mathworld.wolfram.com/AlternativeDenial.html](https://mathworld.wolfram.com/AlternativeDenial.html)<br/>[https://en.wikipedia.org/wiki/Sheffer_stroke](https://en.wikipedia.org/wiki/Sheffer_stroke) sheffer-stroke, nand
amalgam model theory `fenced, 5-tuple` mrow (A,f,B,g,C) https://en.wikipedia.org/wiki/Amalgamation_property<br/>https://ncatlab.org/nlab/show/amalgamation+property
amalgamated-product group theory `indexed infix` $1 msub mo * /mo $2 /msub $3 [https://math.stackexchange.com/questions/828828/amalgamated-product<br/>](https://math.stackexchange.com/questions/828828/amalgamated-product)[https://en.wikipedia.org/wiki/Free_product<br/>](https://en.wikipedia.org/wiki/Free_product)http://home.iiserb.ac.in/~kashyap/Group/thesis_abhay.pdf amalgamated-free-product<br/>free-product-with-amalgamation
analytic-manifold topology `symbol` msup C w https://en.wikipedia.org/wiki/Analytic_manifold<br/>https://ncatlab.org/nlab/show/analytic+manifold<br/>https://www.encyclopediaofmath.org/index.php/Analytic_manifold
anger-function special functions `function` mi J https://mathworld.wolfram.com/AngerFunction.html<br/>https://en.wikipedia.org/wiki/Anger_function<br/>https://dlmf.nist.gov/11.10#E1<br/>https://www.encyclopediaofmath.org/index.php/Anger_function
angle-of-parallelism hyperbolic geometry `function` mi Π https://mathworld.wolfram.com/AngleofParallelism.html<br/>https://en.wikipedia.org/wiki/Angle_of_parallelism
angular-momentum classical mechanics `symbol` mi L https://en.wikipedia.org/wiki/Angular_momentum<br/>https://en.wikipedia.org/wiki/Introduction_to_angular_momentum<br/>https://ncatlab.org/nlab/show/angular+momentum
angular-velocity classical mechanics `symbol` mi ω https://mathworld.wolfram.com/AngularVelocity.html<br/>https://en.wikipedia.org/wiki/Angular_velocity<br/>https://ncatlab.org/nlab/show/angular+velocity
anharmonic-ratio geometry `fenced` mrow ($1 , $2 ; $3 , $4 ) https://mathworld.wolfram.com/AnharmonicRatio.html<br/>https://en.wikipedia.org/wiki/Cross-ratio<br/>https://www.encyclopediaofmath.org/index.php/Anharmonic_ratio
annihilator ring theory `function` mi Ann https://mathworld.wolfram.com/Annihilator.html<br/>https://en.wikipedia.org/wiki/Annihilator_(ring_theory)<br/>https://www.encyclopediaofmath.org/index.php/Annihilator
annulus complex analysis `function` mi ann [https://en.wikipedia.org/wiki/Annulus_(mathematics)](https://en.wikipedia.org/wiki/Annulus_(mathematics))<br/>https://ncatlab.org/nlab/show/annulus[<br/>](https://mathworld.wolfram.com/Annulus.html)[https://mathworld.wolfram.com/Annulus.htm](https://mathworld.wolfram.com/Annulus.html)l
antiparticle particle physics `mover` mover $1 ¯ https://en.wikipedia.org/wiki/Antimatter<br/>[https://en.wikipedia.org/wiki/Antiparticle](https://en.wikipedia.org/wiki/Antiparticle)<br/> antimatter
apartness-relation constructive mathematics `infix` mo # https://en.wikipedia.org/wiki/Apartness_relation<br/>https://ncatlab.org/nlab/show/apartness+relation
apery-constant special functions `symbol` mrow ζ(3) https://mathworld.wolfram.com/AperysConstant.html<br/>https://en.wikipedia.org/wiki/Zeta(3)<br/>https://en.wikipedia.org/wiki/%CE%96(3)<br/>https://en.wikipedia.org/wiki/Ap%C3%A9ry%27s_constant
arcminute SI-mentioned units `unit` mi arcmin<br/>mi amin<br/>mo ′ https://mathworld.wolfram.com/Arcminute.html<br/>https://en.wikipedia.org/wiki/Minute_of_arc<br/>https://en.wikipedia.org/wiki/Arcsecond<br/>https://en.wikipedia.org/wiki/Second_(angle) minute-arc, minute-of-arc
arcsecond SI-mentioned units `unit` mi arcsec<br/>mi asec<br/>mo ′′ https://mathworld.wolfram.com/Arcminute.html<br/>https://en.wikipedia.org/wiki/Minute_of_arc<br/>https://en.wikipedia.org/wiki/Arcsecond<br/>https://en.wikipedia.org/wiki/Second_(angle)
area geometry `symbol` mi A https://mathworld.wolfram.com/Area.html<br/>https://en.wikipedia.org/wiki/Area<br/>https://www.encyclopediaofmath.org/index.php/Area
arf-invariant geometric topology `function` mi Arf https://mathworld.wolfram.com/ArfInvariant.html<br/>https://en.wikipedia.org/wiki/Arf_invariant<br/>https://en.wikipedia.org/wiki/Arf_invariant_of_a_knot
argument complex analysis `function` mi Arg [https://en.wikipedia.org/wiki/Argument_(complex_analysis)](https://en.wikipedia.org/wiki/Argument_(complex_analysis))
arithmetic-geometric-mean special functions `function` mi agm<br/>mi AGM [https://mathworld.wolfram.com/Arithmetic-GeometricMean.html](https://mathworld.wolfram.com/Arithmetic-GeometricMean.html)<br/>https://en.wikipedia.org/wiki/Arithmetic%E2%80%93geometric_mean<br/>https://dlmf.nist.gov/19.8#i<br/>https://dlmf.nist.gov/19.8#SS1.p1
associated-legendre-polynomial special functions `function` msubsup P l m https://mathworld.wolfram.com/AssociatedLegendrePolynomial.html<br/>https://en.wikipedia.org/wiki/Associated_Legendre_polynomials<br/>https://dlmf.nist.gov/18.30#E6
associator algebra `fenced` mrow [$1, $2, $3] https://mathworld.wolfram.com/Associator.html<br/>https://en.wikipedia.org/wiki/Associator<br/>https://ncatlab.org/nlab/show/associator<br/>https://www.encyclopediaofmath.org/index.php/Associator
automorphism-group group theory `function` mi Aut https://mathworld.wolfram.com/AutomorphismGroup.html<br/>https://en.wikipedia.org/wiki/Automorphism
B backward-difference special functions `operator` mi ∇ https://mathworld.wolfram.com/BackwardDifference.html[<br/>](https://en.wikipedia.org/wiki/Finite_difference)[https://en.wikipedia.org/wiki/Finite_differenc](https://en.wikipedia.org/wiki/Finite_difference)e<br/>https://dlmf.nist.gov/18.1#EGx2
baire-space set theory `symbol` msup N N<br/>msup ω ω https://mathworld.wolfram.com/BaireSpace.html<br/>[https://en.wikipedia.org/wiki/Baire_space](https://en.wikipedia.org/wiki/Baire_space)<br/>https://en.wikipedia.org/wiki/Baire_space_(set_theory)<br/>https://ncatlab.org/nlab/show/Baire+space<br/>https://www.encyclopediaofmath.org/index.php/Baire_space
barrel imperial units `unit` mi bbl https://mathworld.wolfram.com/Barrel.html<br/>https://en.wikipedia.org/wiki/Barrelled_space<br/>https://en.wikipedia.org/wiki/Barrel_(unit)
bateman-function special functions `function` mrow msub k $1 ( $2 ) https://mathworld.wolfram.com/BatemanFunction.html<br/>https://en.wikipedia.org/wiki/Bateman_function<br/>https://www.encyclopediaofmath.org/index.php/Bateman_function
baumslag-solitar-group group theory `function` mrow BS ( $1, $2 ) https://en.wikipedia.org/wiki/Baumslag%E2%80%93Solitar_group<br/>https://www.encyclopediaofmath.org/index.php/Baumslag-Solitar_group
bc calendar units `postfix` mi BC [https://en.wikipedia.org/wiki/Anno_Domini](https://en.wikipedia.org/wiki/Anno_Domini)
beatty-sequence number theory `indexed symbol` msub 𝓑 $1 https://mathworld.wolfram.com/BeattySequence.html<br/>https://en.wikipedia.org/wiki/Beatty_sequence
bell-number number theory `indexed symbol` msub B $1 https://mathworld.wolfram.com/BellNumber.html<br/>https://en.wikipedia.org/wiki/Bell_number<br/>https://dlmf.nist.gov/26.7#i<br/>https://www.encyclopediaofmath.org/index.php/Bell_numbers
bell-polynomial polynomials `indexed function` mrow msub B $1 ($2, … $n) https://mathworld.wolfram.com/BellPolynomial.html<br/>https://en.wikipedia.org/wiki/Bell_polynomials<br/>https://www.encyclopediaofmath.org/index.php/Bell_polynomial
berezin-integral mathematical physics `indexed` mo ∫ https://en.wikipedia.org/wiki/Berezin_integral<br/>https://en.wikipedia.org/wiki/Grassmann_integral<br/>https://ncatlab.org/nlab/show/Berezin+integral
bergman-space complex analysis `indexed function` msup A $1 ($2) https://mathworld.wolfram.com/BergmanSpace.html<br/>https://en.wikipedia.org/wiki/Bergman_space<br/>https://www.encyclopediaofmath.org/index.php/Bergman_spaces
bernoulli-number number theory `indexed symbol` msub B $1 [https://mathworld.wolfram.com/BernoulliNumber.html](https://mathworld.wolfram.com/BernoulliNumber.html)<br/>https://en.wikipedia.org/wiki/Bernoulli_number<br/>https://dlmf.nist.gov/24.1#P1<br/>https://dlmf.nist.gov/24.2#i<br/>https://ncatlab.org/nlab/show/Bernoulli+number<br/>https://www.encyclopediaofmath.org/index.php/Bernoulli_numbers
bernoulli-polynomial number theory `indexed function` msub B $1 ($2) https://mathworld.wolfram.com/BernoulliPolynomial.html<br/>https://en.wikipedia.org/wiki/Bernoulli_polynomials<br/>https://dlmf.nist.gov/24.1#P1<br/>https://dlmf.nist.gov/24.2#i<br/>https://www.encyclopediaofmath.org/index.php/Bernoulli_polynomials
bessel-function special functions `indexed function` msub J $1 ($2) https://mathworld.wolfram.com/BesselFunction.html<br/>https://en.wikipedia.org/wiki/Bessel_function<br/>https://dlmf.nist.gov/10.1<br/>https://www.encyclopediaofmath.org/index.php/Bessel_functions
bessel-function-of-second-kind special functions `indexed function` msub Y $1 ($2) https://mathworld.wolfram.com/BesselFunctionoftheSecondKind.html<br/>https://dlmf.nist.gov/10.2#E3<br/>https://www.encyclopediaofmath.org/index.php/Bessel_function_of_the_second_kind
bessel-polynomial special functions `indexed function` msub y $1 ($2) https://mathworld.wolfram.com/BesselPolynomial.html<br/>https://en.wikipedia.org/wiki/Bessel_polynomials<br/>https://dlmf.nist.gov/18.34#E1<br/>https://www.encyclopediaofmath.org/index.php/Bessel_polynomials
beta-distribution probability theory `function` mi B<br/>mi Beta<br/>mi 𝓑𝓮<br/>mi β https://mathworld.wolfram.com/BetaDistribution.html<br/>https://en.wikipedia.org/wiki/Beta_distribution
beta-function special functions `function` mi B<br/>mi β https://mathworld.wolfram.com/BetaFunction.html<br/>https://en.wikipedia.org/wiki/%CE%92(x,_y)<br/>https://en.wikipedia.org/wiki/Beta_function_(physics)<br/>https://en.wikipedia.org/wiki/Beta_function<br/>https://dlmf.nist.gov/5.12<br/>https://dlmf.nist.gov/5.12#E1<br/>https://ncatlab.org/nlab/show/beta+function euler-integral-of-the-first-kind
betti-number graph theory `indexed symbol` msub b $1 https://mathworld.wolfram.com/BettiNumber.html<br/>https://en.wikipedia.org/wiki/Betti_number<br/>https://ncatlab.org/nlab/show/Betti+number<br/>https://www.encyclopediaofmath.org/index.php/Betti_number
biconditional logic `infix` mo ⇔<br/>mo ≡<br/>mo iff https://mathworld.wolfram.com/Biconditional.html<br/>https://ncatlab.org/nlab/show/biconditional iff, if-and-only-if
big-O complexity `prefix` mi O<br/> [https://en.wikipedia.org/wiki/Big_O_notation](https://en.wikipedia.org/wiki/Big_O_notation)<br/>https://mathworld.wolfram.com/O.html<br/>
bigeometric-integral calculus `indexed` mo Π [https://en.wikipedia.org/wiki/Product_integral](https://en.wikipedia.org/wiki/Product_integral)
bijection set theory `mixfix` mrow $1 : $2 ⤖ $3 [https://en.wikipedia.org/wiki/Bijection#Definition](https://en.wikipedia.org/wiki/Bijection#Definition)
binary-golay-code coding theory `symbol` msub G 23 https://mathworld.wolfram.com/BinaryGolayCode.html<br/>https://ncatlab.org/nlab/show/binary+Golay+code
binomial-coefficient combinatorics `indexed function` msubsup C https://mathworld.wolfram.com/BinomialCoefficient.html<br/>https://en.wikipedia.org/wiki/Binomial_coefficient<br/>https://dlmf.nist.gov/1.2#E1<br/>https://dlmf.nist.gov/26.3#SS1.p1<br/>https://www.encyclopediaofmath.org/index.php/Binomial_coefficients<br/> combination
binomial-distribution probability theory `function` mrow B(n,p) https://mathworld.wolfram.com/BinomialDistribution.html<br/>https://en.wikipedia.org/wiki/Binomial_distribution<br/>https://www.encyclopediaofmath.org/index.php/Binomial_distribution
bit computer science `symbol` mn 0<br/>mn 1 https://mathworld.wolfram.com/Bit.html<br/>https://en.wikipedia.org/wiki/Bit<br/>https://www.encyclopediaofmath.org/index.php/Bit
bipolar-set functional analysis `msup` msup $1 °° https://en.wikipedia.org/wiki/Polar_set<br/>https://en.wikipedia.org/wiki/Polar_set_(potential_theory)<br/>https://www.encyclopediaofmath.org/index.php/Polar_set
biquaternion ring theory `mtable` mtable 2x2 [https://en.wikipedia.org/wiki/Biquaternion#Linear_representation](https://en.wikipedia.org/wiki/Biquaternion#Linear_representation)
blaschke-product complex analysis `function` mi B https://mathworld.wolfram.com/BlaschkeProduct.html<br/>https://en.wikipedia.org/wiki/Blaschke_product<br/>https://www.encyclopediaofmath.org/index.php/Blaschke_product
bloch-constant complex analysis `symbol` miB https://mathworld.wolfram.com/BlochConstant.html<br/>https://www.encyclopediaofmath.org/index.php/Bloch_constant
boolean-domain abstract algebra `symbol` mi 𝔹 [https://en.wikipedia.org/wiki/Boolean_domain](https://en.wikipedia.org/wiki/Boolean_domain)<br/>https://ncatlab.org/nlab/show/boolean+domain
bottom-type category theory `symbol` mi ⊥ [https://ncatlab.org/nlab/show/bottom<br/>](https://ncatlab.org/nlab/show/bottom)[https://en.wikipedia.org/wiki/Bottom_type](https://en.wikipedia.org/wiki/Bottom_type) empty-type, bottom
bottom-element order theory `symbol` mi ⊥ [https://en.wikipedia.org/wiki/Greatest_element_and_least_element](https://en.wikipedia.org/wiki/Greatest_element_and_least_element) bottom, least-element
boundary topology `function` mi bd<br/>mi fr<br/>mi ∂ https://mathworld.wolfram.com/Boundary.html<br/>https://en.wikipedia.org/wiki/Boundary_(topology)<br/>https://ncatlab.org/nlab/show/boundary<br/>https://www.encyclopediaofmath.org/index.php/Boundary frontier
bounded-variation analysis `function` mi BV https://mathworld.wolfram.com/BoundedVariation.html<br/>https://en.wikipedia.org/wiki/Bounded_variation
box-product graph theory `infix` mo ☐ [https://en.wikipedia.org/wiki/Cartesian_product_of_graphs](https://en.wikipedia.org/wiki/Cartesian_product_of_graphs) cartesian-product
brauer-group group theory `function` mi Br https://mathworld.wolfram.com/BrauerGroup.html<br/>https://en.wikipedia.org/wiki/Brauer_group<br/>https://ncatlab.org/nlab/show/Brauer+group<br/>https://www.encyclopediaofmath.org/index.php/Brauer_group
brun-constant number theory `symbol` msub B 4 https://mathworld.wolfram.com/BrunsConstant.html<br/>https://en.wikipedia.org/wiki/Brun%27s_theorem
burnside-group group theory `function` mi B [https://www.encyclopediaofmath.org/index.php/Burnside_group](https://www.encyclopediaofmath.org/index.php/Burnside_group)
C cahen-constant number theory `symbol` mi C https://mathworld.wolfram.com/CahensConstant.html<br/>https://en.wikipedia.org/wiki/Cahen%27s_constant<br/>
calderon-toeplitz-operator operator theory `indexed symbol` msub T mrow $1, $2 [https://www.encyclopediaofmath.org/index.php/Calderon-Toeplitz_operator<br/>](https://www.encyclopediaofmath.org/index.php/Calderon-Toeplitz_operator)
canonical-commutation-relation quantum mechanics `fenced` mrow [ $1 , $2 ] [https://en.wikipedia.org/wiki/Canonical_commutation_relation](https://en.wikipedia.org/wiki/Canonical_commutation_relation)
cap-product algebraic topology `infix` mo ⌣ https://en.wikipedia.org/wiki/Cap_product<br/>https://ncatlab.org/nlab/show/cap+product
cardinality set theory `many` mrow $1 <br/>mo #<br/>mi card<br/>mi n https://mathworld.wolfram.com/Cardinality.html<br/>https://en.wikipedia.org/wiki/Cardinality<br/>[https://www.encyclopediaofmath.org/index.php/Cardinality](https://www.encyclopediaofmath.org/index.php/Cardinality) size
carmichael-function number theory `function` mi λ https://mathworld.wolfram.com/CarmichaelFunction.html<br/>https://en.wikipedia.org/wiki/Carmichael_function
cartesian-product set theory `infix` mo × https://mathworld.wolfram.com/CartesianProduct.html<br/>https://en.wikipedia.org/wiki/Cartesian_product<br/>https://en.wikipedia.org/wiki/Cartesian_product_of_graphs<br/>https://ncatlab.org/nlab/show/cartesian+product<br/>https://www.encyclopediaofmath.org/index.php/Cartesian_product<br/>
casimir-element lie algebra `symbol` mi Ω [<br/>https://en.wikipedia.org/wiki/Casimir_element](https://en.wikipedia.org/wiki/Casimir_element)
catalan-constant combinatorics `symbol` mi G https://mathworld.wolfram.com/CatalansConstant.html<br/>https://en.wikipedia.org/wiki/Catalan%27s_constant<br/>https://www.encyclopediaofmath.org/index.php/Catalan_constant
catalan-number combinatorics `indexed symbol` msub C $1 https://mathworld.wolfram.com/CatalanNumber.html<br/>https://en.wikipedia.org/wiki/Catalan_number<br/>https://dlmf.nist.gov/26.5#E1
category-of-algebraic-lattices universal algebra `symbol` mi AlgCat [https://ncatlab.org/nlab/show/algebraic+lattice](https://ncatlab.org/nlab/show/algebraic+lattice)
category-of-sets category theory `symbol` miSet https://en.wikipedia.org/wiki/Category_of_sets<br/>https://www.encyclopediaofmath.org/index.php/Category_of_a_set<br/>https://www.encyclopediaofmath.org/index.php/Category_of_sets
category-of-small-categories category theory `symbol` miCat [https://en.wikipedia.org/wiki/Category_of_small_categories](https://en.wikipedia.org/wiki/Category_of_small_categories)
cauchy-principal-value analysis `function` mi p.v. https://mathworld.wolfram.com/CauchyPrincipalValue.html<br/>https://en.wikipedia.org/wiki/Cauchy_principal_value<br/>https://dlmf.nist.gov/1.4#E24<br/>https://ncatlab.org/nlab/show/Cauchy+principal+value
cauchy-product analysis `infix` mo ⋅ https://mathworld.wolfram.com/CauchyProduct.html<br/>https://en.wikipedia.org/wiki/Cauchy_product
cavitation-number physics `symbol` mi Ca [https://en.wikipedia.org/wiki/Euler_number_(physics)#Cavitation_number](https://en.wikipedia.org/wiki/Euler_number_(physics)#Cavitation_number)
cayley-table group theory `mtable` mtable https://mathworld.wolfram.com/CayleyTable.html<br/>https://en.wikipedia.org/wiki/Cayley_table<br/>https://www.encyclopediaofmath.org/index.php/Cayley_table
ceiling number theory `fenced`<br/>`function` ⌈ $1 ⌉<br/>〛 $1 〚<br/>] $1 [<br/>ceil ($1) [https://en.wikipedia.org/wiki/Floor_and_ceiling_functions<br/>https://youtu.be/RxNs4SwP6lk](https://youtu.be/RxNs4SwP6lk)
center algebra `function` mi Z [https://en.wikipedia.org/wiki/Center_(group_theory)<br/>](https://en.wikipedia.org/wiki/Center_(group_theory))[https://en.wikipedia.org/wiki/Center_(algebra)<br/>](https://en.wikipedia.org/wiki/Center_(algebra))[https://ncatlab.org/nlab/show/center](https://ncatlab.org/nlab/show/center) centre
centralizer group theory `function` msub C $1 https://mathworld.wolfram.com/Centralizer.html<br/>https://en.wikipedia.org/wiki/Centralizer_and_normalizer<br/>https://ncatlab.org/nlab/show/centralizer<br/>https://www.encyclopediaofmath.org/index.php/Centralizer
chain imperial units `unit` mi chain [https://en.wikipedia.org/wiki/Chain_(unit)<br/>](https://en.wikipedia.org/wiki/Chain_(unit))
champernowne-constant number theory `constant` mi C<br/>msub C 10 https://mathworld.wolfram.com/ChampernowneConstant.html<br/>https://en.wikipedia.org/wiki/Champernowne_constant<br/>
character group theory `indexed function` mi χ https://mathworld.wolfram.com/Character.html<br/>https://en.wikipedia.org/wiki/Character_(mathematics)<br/>https://en.wikipedia.org/wiki/Event-driven_finite-state_machine<br/>https://en.wikipedia.org/wiki/Character_theory<br/>https://en.wikipedia.org/wiki/Multiplicative_character<br/>https://ncatlab.org/nlab/show/character
characteristic ring theory `function` mi char https://mathworld.wolfram.com/Characteristic.html<br/>[https://en.wikipedia.org/wiki/Characteristic_(algebra)](https://en.wikipedia.org/wiki/Characteristic_(algebra))<br/>https://ncatlab.org/nlab/show/characteristic<br/>https://www.encyclopediaofmath.org/index.php/Characteristic
characteristic-function probability theory `indexed function`<br/>`function` msub 𝟏 $1<br/>mrow 𝟏 { $1 } https://mathworld.wolfram.com/CharacteristicFunction.html<br/>https://en.wikipedia.org/wiki/Characteristic_function_(probability_theory)<br/>https://en.wikipedia.org/wiki/Indicator_function<br/>https://en.wikipedia.org/wiki/Characteristic_function_(convex_analysis)<br/>https://ncatlab.org/nlab/show/characteristic+function<br/>https://www.encyclopediaofmath.org/index.php/Characteristic_function[<br/>](https://en.wikipedia.org/wiki/Expected_value#Interchanging_limits_and_expectation)[https://en.wikipedia.org/wiki/Expected_value#Interchanging_limits_and_expectatio](https://en.wikipedia.org/wiki/Expected_value#Interchanging_limits_and_expectation)n indicator-function
characteristic-subgroup group theory `infix` mo char https://en.wikipedia.org/wiki/Characteristic_subgroup<br/>https://www.encyclopediaofmath.org/index.php/Characteristic_subgroup
charlier-polynomial special functions `function` msub C $1 https://mathworld.wolfram.com/CharlierPolynomial.html<br/>https://en.wikipedia.org/wiki/Charlier_polynomials<br/>https://dlmf.nist.gov/18.19#T1.t1.r11<br/>https://www.encyclopediaofmath.org/index.php/Charlier_polynomials
chebyshev-polynomial-of-first-kind number theory `function` mi θ<br/>mi ϑ<br/>mi T https://mathworld.wolfram.com/ChebyshevPolynomialoftheFirstKind.html<br/>https://en.wikipedia.org/wiki/Chebyshev_polynomials<br/>https://dlmf.nist.gov/18.3#T1.t1.r8 first-chebyshev-function
chebyshev-polynomial-of-second-kind number theory `function` mi ψ<br/>mi U https://mathworld.wolfram.com/ChebyshevPolynomialoftheSecondKind.html<br/>https://en.wikipedia.org/wiki/Chebyshev_polynomials<br/>https://dlmf.nist.gov/18.3#T1.t1.r11 second-chebyshev-function
cheeger-constant Riemannian geometry `function` mi h [<br/>https://en.wikipedia.org/wiki/Cheeger_constant](https://en.wikipedia.org/wiki/Cheeger_constant)
cheeger-number graph theory `function` mi h [https://en.wikipedia.org/wiki/Cheeger_constant_(graph_theory)<br/>](https://en.wikipedia.org/wiki/Cheeger_constant_(graph_theory)) cheeger-constant, isoperimetric-number
chemical-equilibrium chemistry `infix` mo ⇌ [https://en.wikipedia.org/wiki/Chemical_equilibrium](https://en.wikipedia.org/wiki/Chemical_equilibrium) equilibrium
chi-squared-distribution probability theory `symbol` msup χ 2 https://mathworld.wolfram.com/Chi-SquaredDistribution.html<br/>https://en.wikipedia.org/wiki/Chi-squared_distribution<br/>https://www.encyclopediaofmath.org/index.php/Chi-squared_distribution
chord geometry `function` mi crd [https://en.wikipedia.org/wiki/Chord_(geometry)<br/>](https://en.wikipedia.org/wiki/Chord_(geometry))
christoffel-symbol-of-first-kind Riemannian geometry `indexed symbol` msub Γ mrow $1 $2 $3 https://mathworld.wolfram.com/ChristoffelSymbol.html<br/>https://en.wikipedia.org/wiki/Christoffel_symbols<br/>https://ncatlab.org/nlab/show/Christoffel+symbols<br/>https://www.encyclopediaofmath.org/index.php/Christoffel_symbol
christoffel-symbol-of-second-kind Riemannian geometry `indexed symbol` msubsup Γ https://mathworld.wolfram.com/ChristoffelSymbol.html<br/>https://en.wikipedia.org/wiki/Christoffel_symbols<br/>https://ncatlab.org/nlab/show/Christoffel+symbols<br/>https://www.encyclopediaofmath.org/index.php/Christoffel_symbol
chromatic-polynomial graph theory `function` msub P $1<br/>msub π $1<br/>msub χ $1 https://mathworld.wolfram.com/ChromaticPolynomial.html<br/>https://en.wikipedia.org/wiki/Chromatic_polynomial
classifying-space group theory `function` mi B<br/>mi ℬ https://en.wikipedia.org/wiki/Classifying_space<br/>https://ncatlab.org/nlab/show/classifying+space<br/>https://www.encyclopediaofmath.org/index.php/Classifying_space
clausen-function special functions `function` msub Cl 2 [https://en.wikipedia.org/wiki/Clausen_function](https://en.wikipedia.org/wiki/Clausen_function)
clebsch-gordan-coefficient special functions `fenced` mrow ( $1 $2 $3 $4 $5 $6 $7 $8 )<br/>mrow ⟨ $1 $2 $3 $4 $5 $6 $7 $8 ⟩ https://mathworld.wolfram.com/Clebsch-GordanCoefficient.html<br/>https://en.wikipedia.org/wiki/Clebsch%E2%80%93Gordan_coefficients<br/>https://dlmf.nist.gov/34.1#p4<br/>https://ncatlab.org/nlab/show/Clebsch-Gordan+coefficient
clifford-algebra universal algebra `function` mi Cl [https://en.wikipedia.org/wiki/Clifford_algebra](https://en.wikipedia.org/wiki/Clifford_algebra)
clique graph theory `symbol` mi C https://mathworld.wolfram.com/Clique.html<br/>[https://en.wikipedia.org/wiki/Clique_(graph_theory)](https://en.wikipedia.org/wiki/Clique_(graph_theory))<br/>[https://ncatlab.org/nlab/show/clique](https://ncatlab.org/nlab/show/clique)
clique-number graph theory `function` mi ω [https://en.wikipedia.org/wiki/Clique_number](https://en.wikipedia.org/wiki/Clique_number)
closed-ball topology `mixfix` mrow msub B $1 /msub [ $2 ] https://mathworld.wolfram.com/OpenBall.html<br/>https://en.wikipedia.org/wiki/Ball_(mathematics) closed-metric-ball
closed-interval calculus `fenced` mrow [ $1, $2 ] https://mathworld.wolfram.com/ClosedInterval.html<br/>https://dlmf.nist.gov/front/introduction#Sx4.p1.t1.r29
closed-neighbourhood graph theory `indexed function`<br/>`function` msub N $1 [ $2 ]<br/>mrow N [ $1 ] [https://en.wikipedia.org/wiki/Neighbourhood_(graph_theory)<br/>](https://en.wikipedia.org/wiki/Neighbourhood_(graph_theory))
closure abstract algebra,<br/>topology `function`<br/>`msup` mi cl<br/>mi Cl<br/>msup $1 − https://mathworld.wolfram.com/Closure.html<br/>https://en.wikipedia.org/wiki/Congruence_closure<br/>https://en.wikipedia.org/wiki/Closure_(mathematics)<br/>https://en.wikipedia.org/wiki/Closure_(topology)<br/>https://en.wikipedia.org/wiki/Closure_problem
codimension linear algebra `function` mi codim https://mathworld.wolfram.com/Codimension.html<br/>https://en.wikipedia.org/wiki/Codimension<br/>https://ncatlab.org/nlab/show/codimension<br/>https://www.encyclopediaofmath.org/index.php/Codimension
cofinality order theory `function` mi cf https://en.wikipedia.org/wiki/Cofinality<br/>https://ncatlab.org/nlab/show/cofinality
cofinite-filter order theory `symbol` mi F https://mathworld.wolfram.com/CofiniteFilter.html<br/>https://en.wikipedia.org/wiki/Fr%C3%A9chet_filter frechet-filter
coherence signal processing<br/>quantum physics `indexed function` mi C<br/>mi γ https://en.wikipedia.org/wiki/Coherence_(signal_processing)<br/>https://en.wikipedia.org/wiki/Coherence_(physics)<br/>
coimage abstract algebra `function` mi coim https://en.wikipedia.org/wiki/Coimage<br/>https://ncatlab.org/nlab/show/coimage
cokernel category theory `function` mi coker https://mathworld.wolfram.com/Cokernel.html<br/>https://en.wikipedia.org/wiki/Cokernel<br/>https://ncatlab.org/nlab/show/cokernel<br/>https://www.encyclopediaofmath.org/index.php/Cokernel
column-vector linear algebra `mtable` mtable https://mathworld.wolfram.com/ColumnVector.html<br/>https://en.wikipedia.org/wiki/Column_vector
comma-category category theory `mixfix` mrow ( $1 ↓ $2 ) [https://en.wikipedia.org/wiki/Comma_category](https://en.wikipedia.org/wiki/Comma_category)
commutator abstract algebra `fenced` mrow [ $1, $2 ] https://mathworld.wolfram.com/Commutator.html<br/>https://en.wikipedia.org/wiki/Commutator<br/>https://ncatlab.org/nlab/show/commutator<br/>https://www.encyclopediaofmath.org/index.php/Commutator
commutator-subgroup abstract algebra `msup`<br/>`fenced` msup $1 ‘<br/>msup $1 (1)<br/>mrow [ $1, $1 ] https://mathworld.wolfram.com/CommutatorSubgroup.html<br/>https://en.wikipedia.org/wiki/Commutator_subgroup<br/>https://en.wikipedia.org/wiki/Derived_series<br/>https://ncatlab.org/nlab/show/commutator+subgroup<br/>https://www.encyclopediaofmath.org/index.php/Commutator_subgroup derived-subgroup
companion-lehmer-number number theory `indexed function` msub V $1 https://mathworld.wolfram.com/LehmerNumber.html<br/>https://mathworld.wolfram.com/LehmersNumber.html<br/>https://en.wikipedia.org/wiki/Lehmer_number
comparability order theory `infix` munderover = > < [https://en.wikipedia.org/wiki/Comparability](https://en.wikipedia.org/wiki/Comparability) comparable
complement-of-interval order theory `fenced` mrow ] $1, $2 [ [https://en.wikipedia.org/wiki/Interval_(mathematics)](https://en.wikipedia.org/wiki/Interval_(mathematics))
complementary-nome special functions `function` msub q 1 [https://mathworld.wolfram.com/Nome.html](https://mathworld.wolfram.com/Nome.html)<br/>https://en.wikipedia.org/wiki/Nome_(mathematics)
complete-graph graph theory `symbol` msub K $1 https://mathworld.wolfram.com/CompleteGraph.html<br/>https://en.wikipedia.org/wiki/Complete_graph<br/> Also complete bipartite graph: Kn,m
complex-conjugate complex analysis `msup` msup $1 *<br/>mover $1 ¯ https://mathworld.wolfram.com/ComplexConjugate.html<br/>https://en.wikipedia.org/wiki/Complex_conjugate<br/>https://dlmf.nist.gov/1.9#E11
complex-projective-space projective geometry `symbol` mrow ℂ⁢ ℙ https://mathworld.wolfram.com/ProjectiveSpace.html<br/>https://en.wikipedia.org/wiki/Algebraic_geometry_of_projective_spaces<br/>https://en.wikipedia.org/wiki/Projective_space<br/>https://ncatlab.org/nlab/show/projective+space<br/>https://www.encyclopediaofmath.org/index.php/Projective_space
complexification complex manifolds `msup` msup $1 ℂ<br/>msup $1 C https://en.wikipedia.org/wiki/Complexification<br/>https://ncatlab.org/nlab/show/complexification[<br/>](https://www.encyclopediaofmath.org/index.php/Complexification_of_a_vector_space)[https://www.encyclopediaofmath.org/index.php/Complexification_of_a_vector_spac](https://www.encyclopediaofmath.org/index.php/Complexification_of_a_vector_space)e complexification-of-vector-space
composition algebra `infix` mo ∘ https://mathworld.wolfram.com/Composition.html<br/>https://ncatlab.org/nlab/show/composition<br/>https://www.encyclopediaofmath.org/index.php/Composition<br/> compose
compound-interest finance `msup` msup $1 ($2) [https://mathworld.wolfram.com/CompoundInterest.html](https://mathworld.wolfram.com/CompoundInterest.html)<br/>[https://en.wikipedia.org/wiki/Compound_interest](https://en.wikipedia.org/wiki/Compound_interest)
concentration chemistry `fenced` mrow [ $1 ] [https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_Chemistry_-_The_Central_Science_(Brown_et_al.)/04._Reactions_in_Aqueous_Solution/4.5%3A_Concentration_of_Solutions](https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_Chemistry_-_The_Central_Science_(Brown_et_al.)/04._Reactions_in_Aqueous_Solution/4.5%3A_Concentration_of_Solutions)
condition-number numerical analysis `function` mi κ https://en.wikipedia.org/wiki/Condition_number<br/>https://dlmf.nist.gov/3.2#SS5.p1<br/>https://www.encyclopediaofmath.org/index.php/Condition_number
conditional-expectation probability theory `mixfix` mrow E ( $1 $2 ) https://en.wikipedia.org/wiki/Conditional_expectation<br/>https://ncatlab.org/nlab/show/conditional+expectation
conditional-probability probability theory `mixfix` mrow P ( $1 $2 ) [https://mathworld.wolfram.com/ConditionalProbability.html](https://mathworld.wolfram.com/ConditionalProbability.html)<br/>https://en.wikipedia.org/wiki/Conditional_probability<br/>https://www.encyclopediaofmath.org/index.php/Conditional_probability
conductor algebraic number theory `function` mi 𝔣⁢ [https://en.wikipedia.org/wiki/Conductor_(class_field_theory)](https://en.wikipedia.org/wiki/Conductor_(class_field_theory))<br/>
contraction-operator algebraic geometry `infix` mo ⌟ [https://arxiv.org/abs/1104.1240](https://arxiv.org/abs/1104.1240)
contrast-function statistics `mixfix` D ( $1 $2 ) [https://en.wikipedia.org/wiki/Divergence_(statistics)](https://en.wikipedia.org/wiki/Divergence_(statistics)) divergence
configuration geometry `mixfix` (msub $1 $2 msub $3 $4 ) https://mathworld.wolfram.com/Configuration.html<br/>https://en.wikipedia.org/wiki/Configuration_(geometry)<br/>https://www.encyclopediaofmath.org/index.php/Configuration
congruence-relation algebra<br/>geometry `infix` mo ≡<br/>mo ≅ [https://en.wikipedia.org/wiki/Congruence_relation<br/>](https://en.wikipedia.org/wiki/Congruence_relation)https://mathworld.wolfram.com/Congruence.html<br/>https://en.wikipedia.org/wiki/Congruence_relation<br/>https://en.wikipedia.org/wiki/Congruence_(general_relativity)<br/>https://en.wikipedia.org/wiki/Congruence_(manifolds)<br/>https://en.wikipedia.org/wiki/Congruence_(geometry)<br/>https://ncatlab.org/nlab/show/congruence<br/>https://www.encyclopediaofmath.org/index.php/Congruence<br/> congruence,<br/>congruent
conjugacy-class group theory `function` mi Cl https://mathworld.wolfram.com/ConjugacyClass.html<br/>https://en.wikipedia.org/wiki/Conjugacy_class<br/>https://ncatlab.org/nlab/show/conjugacy+class
conjugate-transpose linear algebra `msup` msup $1 H<br/>msup $1 * https://mathworld.wolfram.com/ConjugateTranspose.html<br/>[https://en.wikipedia.org/wiki/Conjugate_transpose](https://en.wikipedia.org/wiki/Conjugate_transpose)
connected-sum topology `infix` mo # [https://mathworld.wolfram.com/ConnectedSum.html](https://mathworld.wolfram.com/ConnectedSum.html)<br/>[https://en.wikipedia.org/wiki/Connected_sum<br/>https://www.encyclopediaofmath.org/index.php/Connected_sum](https://en.wikipedia.org/wiki/Connected_sum)
connectivity graph theory `function` mi κ https://mathworld.wolfram.com/Connectivity.html<br/>https://en.wikipedia.org/wiki/Connectivity_(graph_theory)<br/>https://www.encyclopediaofmath.org/index.php/Connectivity
constant-of-integration calculus `constant` mi C https://mathworld.wolfram.com/ConstantofIntegration.html<br/>https://en.wikipedia.org/wiki/Constant_of_integration
containment computer science `infix` mo ≤ https://en.wikipedia.org/wiki/Encompassment_ordering<br/>https://en.wikipedia.org/wiki/Subset<br/>https://en.wikipedia.org/wiki/%E2%8A%83 encompassment
contingency-table statistics `mtable` mtable https://mathworld.wolfram.com/ContingencyTable.html<br/>https://en.wikipedia.org/wiki/Contingency_table two-way-frequency-table
continued-fraction number theory `mixfix` mfrac https://mathworld.wolfram.com/ContinuedFraction.html<br/>https://en.wikipedia.org/wiki/Continued_fraction<br/>https://dlmf.nist.gov/1.12#i<br/>https://ncatlab.org/nlab/show/continued+fraction<br/>https://www.encyclopediaofmath.org/index.php/Continued_fraction anthyphairetic-ratio,<br/>chain-fraction
continuum set theory `constant` mi 𝔠 https://mathworld.wolfram.com/Continuum.html<br/>https://en.wikipedia.org/wiki/List_of_continuity-related_topics<br/>https://en.wikipedia.org/wiki/Linear_continuum<br/>https://en.wikipedia.org/wiki/Continuum_(set_theory)<br/>[https://en.wikipedia.org/wiki/Continuum_(topology)](https://en.wikipedia.org/wiki/Continuum_(topology))<br/>https://ncatlab.org/nlab/show/continuum<br/>https://www.encyclopediaofmath.org/index.php/Continuum
contradiction logic `constant` mo ⊥ https://mathworld.wolfram.com/Contradiction.html<br/>https://en.wikipedia.org/wiki/Contradiction<br/>https://ncatlab.org/nlab/show/contradiction
converge computer science `postfix` mo ↓ [https://en.wikipedia.org/wiki/Divergence_(computer_science)](https://en.wikipedia.org/wiki/Divergence_(computer_science)) convergence
converse relational algebra `msup` msup $1 ˘ [https://en.wikipedia.org/wiki/Relation_algebra<br/>](https://en.wikipedia.org/wiki/Relation_algebra) reciprocal
converse-graph graph theory `msup` msup $1 ‘<br/>msup $1 T<br/>msup $1 R <br/>[https://en.wikipedia.org/wiki/Transpose_graph](https://en.wikipedia.org/wiki/Transpose_graph)<br/> transpose-graph, reverse-graph
convolution functional analysis `infix` mo ∗ https://mathworld.wolfram.com/Convolution.html<br/>https://en.wikipedia.org/wiki/List_of_convolutions_of_probability_distributions<br/>https://en.wikipedia.org/wiki/Convolution_(computer_science)<br/>https://en.wikipedia.org/wiki/Convolution convolve
conway-group group theory `symbol` msub Co 0<br/>msub Co 1<br/>msub Co 2<br/>msub Co 3 https://mathworld.wolfram.com/ConwayGroups.html<br/>https://en.wikipedia.org/wiki/Conway_group<br/>https://en.wikipedia.org/wiki/Conway_group_Co1<br/>https://en.wikipedia.org/wiki/Conway_group_Co2<br/>https://en.wikipedia.org/wiki/Conway_group_Co3
coprime number theory `infix` mo ⊥ https://mathworld.wolfram.com/Coprime.html<br/>https://en.wikipedia.org/wiki/Coprime_integers<br/> relatively-prime, mutually-prime
coproduct topology, category theory `indexed` mo ∐ https://mathworld.wolfram.com/Coproduct.html<br/>https://en.wikipedia.org/wiki/Disjoint_union_(topology)<br/>https://en.wikipedia.org/wiki/Coproduct<br/>https://ncatlab.org/nlab/show/coproduct<br/>https://www.encyclopediaofmath.org/index.php/Coproduct
correlation statistics `function` mi corr [https://en.wikipedia.org/wiki/Correlation_and_dependence](https://en.wikipedia.org/wiki/Correlation_and_dependence)
correlation-ratio statistics `symbol` mi η https://mathworld.wolfram.com/CorrelationRatio.html<br/>https://en.wikipedia.org/wiki/Correlation_ratio<br/>https://www.encyclopediaofmath.org/index.php/Correlation_ratio
cosine-integral special-functions `operator` mi Ci https://mathworld.wolfram.com/CosineIntegral.html<br/>https://dlmf.nist.gov/6.2#ii<br/>https://dlmf.nist.gov/6.2#E11<br/>https://dlmf.nist.gov/6.2#E12<br/>
coupling-constant gauge theory `symbol` mi g [https://en.wikipedia.org/wiki/Coupling_constant<br/>](https://en.wikipedia.org/wiki/Coupling_constant) gauge-coupling-parameter, coupling
covariance statistics `function` mi cov https://mathworld.wolfram.com/Covariance.html<br/>https://en.wikipedia.org/wiki/Covariance_operator<br/>[https://en.wikipedia.org/wiki/Covariance](https://en.wikipedia.org/wiki/Covariance)<br/>https://en.wikipedia.org/wiki/Covariance_and_contravariance_of_vectors<br/>https://www.encyclopediaofmath.org/index.php/Covariance
covariant-derivative differential geometry `indexed operator` msub ∇ $1 https://mathworld.wolfram.com/CovariantDerivative.html<br/>https://en.wikipedia.org/wiki/Covariant_derivative<br/>https://ncatlab.org/nlab/show/covariant+derivative<br/>https://www.encyclopediaofmath.org/index.php/Covariant_derivative
covariation stochastic processes `indexed fenced` msub mrow [ $1, $2 ] /mrow $3 [https://en.wikipedia.org/wiki/Quadratic_variation](https://en.wikipedia.org/wiki/Quadratic_variation) cross-variance
covering-relation order theory `infix` mo ⋖<br/>mo <: https://en.wikipedia.org/wiki/Partially_ordered_set<br/>https://en.wikipedia.org/wiki/Covering_relation
cross-product linear algebra `infix` mo × https://mathworld.wolfram.com/CrossProduct.html<br/>https://en.wikipedia.org/wiki/Cross_product<br/>https://ncatlab.org/nlab/show/cross+product<br/>https://www.encyclopediaofmath.org/index.php/Cross_product vector-product
cross-ratio geometry `fenced` mrow ( $1, $2 ; $3, $4 ) https://mathworld.wolfram.com/Cross-Ratio.html<br/>https://en.wikipedia.org/wiki/Cross-ratio double-ratio
crossing-number graph theory `function` mi Cr https://en.wikipedia.org/wiki/Crossing_number_(graph_theory)<br/>https://en.wikipedia.org/wiki/Crossing_number_(knot_theory)<br/>https://ncatlab.org/nlab/show/crossing+number
cullen-number number theory `indexed symbol` msub C $1 [https://mathworld.wolfram.com/CullenNumber.html](https://mathworld.wolfram.com/CullenNumber.html)<br/>https://en.wikipedia.org/wiki/Cullen_number<br/>
cumulant probability theory `indexed symbol` msub κ $1 https://mathworld.wolfram.com/Cumulant.html<br/>https://en.wikipedia.org/wiki/Cumulant<br/>https://en.wikipedia.org/wiki/Cumulant-generating_function<br/>https://ncatlab.org/nlab/show/cumulant<br/>https://www.encyclopediaofmath.org/index.php/Cumulant
cumulative-distribution-function probability theory `indexed symbol` msub F $1 https://mathworld.wolfram.com/CumulativeDistributionFunction.html<br/>https://en.wikipedia.org/wiki/Cumulative_distribution_function cdf, distribution-function
cup-product algebraic topology `infix` mo ⌣ https://en.wikipedia.org/wiki/Cup_product<br/>https://ncatlab.org/nlab/show/cup+product
curl vector calculus `function` mi curl<br/>mi rot<br/>mrow ∇ × $1 https://mathworld.wolfram.com/Curl.html<br/>https://en.wikipedia.org/wiki/Curl_(mathematics)<br/>https://ncatlab.org/nlab/show/curl<br/>https://www.encyclopediaofmath.org/index.php/Curl
current differential topology `fenced` mrow $1<br/>mrow [ $1 ] https://mathworld.wolfram.com/Current.html<br/>https://en.wikipedia.org/wiki/Current_(mathematics)<br/>https://www.encyclopediaofmath.org/index.php/Current
curvature differential geometry `function` mi κ [https://mathworld.wolfram.com/Curvature.html](https://mathworld.wolfram.com/Curvature.html)<br/>https://en.wikipedia.org/wiki/Geodesic_curvature<br/>https://en.wikipedia.org/wiki/Curvature<br/>https://ncatlab.org/nlab/show/curvature<br/>https://www.encyclopediaofmath.org/index.php/Curvature
cycle combinatorics `fenced` mrow ( $1 ) [https://en.wikipedia.org/wiki/Permutation#Cycle_notation<br/>](https://en.wikipedia.org/wiki/Permutation#Cycle_notation)https://en.wikipedia.org/wiki/Transposition_(mathematics)<br/>https://en.wikipedia.org/wiki/Cycles_and_fixed_points<br/>
cycle-gene genetics `symbol` mi cyc [https://en.wikipedia.org/wiki/Cycle_(gene)](https://en.wikipedia.org/wiki/Cycle_(gene))
cyclotomic-field number theory `embellished symbol` mrow Q( ζ )<br/>mrow Q( msub ζ $1 ) https://mathworld.wolfram.com/CyclotomicField.html<br/>https://en.wikipedia.org/wiki/Cyclotomic_field<br/>https://ncatlab.org/nlab/show/cyclotomic+field<br/>https://www.encyclopediaofmath.org/index.php/Cyclotomic_field
cyclotomic-polynomial number theory `indexed symbol` msub Φ $1 https://mathworld.wolfram.com/CyclotomicPolynomial.html<br/>https://en.wikipedia.org/wiki/Cyclotomic_polynomial<br/>https://www.encyclopediaofmath.org/index.php/Cyclotomic_polynomials
D dalembert-operator partial differential equations `prefix` mo ☐ https://en.wikipedia.org/wiki/D%27Alembert_operator<br/>https://www.encyclopediaofmath.org/index.php/D’Alembert_operator dalembertian, wave-operator, box-operator
davenport-constant group theory `function` mi D https://mathworld.wolfram.com/DavenportConstant.html<br/>https://en.wikipedia.org/wiki/Davenport_constant<br/>https://www.encyclopediaofmath.org/index.php/Davenport_constant
dawson-function special-functions `function` mi F<br/>mi D<br/>mi sub D -<br/>mi sub D + https://mathworld.wolfram.com/DawsonsIntegral.html<br/>https://en.wikipedia.org/wiki/Dawson_function<br/>https://dlmf.nist.gov/7.2#ii<br/>https://dlmf.nist.gov/7.2#E5 dawson-integral
decrease physics `postfix` mo ↓ [https://youtu.be/HZ7a9YkF204?t=4705](https://youtu.be/HZ7a9YkF204?t=4705)
decrease-tends-to? calculus `infix` mo ↘ [https://math.stackexchange.com/questions/1886232/what-does-this-notation-mean-limes-from-left-right](https://math.stackexchange.com/questions/1886232/what-does-this-notation-mean-limes-from-left-right)<br/><br/>http://pi.math.cornell.edu/~web6720/MATH%206710%20notes.pdf
dedekind-eta-function special functions `function` mi η https://mathworld.wolfram.com/DedekindEtaFunction.html<br/>https://en.wikipedia.org/wiki/Dedekind_eta_function<br/>https://ncatlab.org/nlab/show/Dedekind+eta+function
dedekind-zeta-function special functions `function` mi ζ [https://en.wikipedia.org/wiki/Dedekind_zeta_function](https://en.wikipedia.org/wiki/Dedekind_zeta_function)
deductive-closure logic `function` mi Ded<br/>mi Th [https://en.wikipedia.org/wiki/Deductive_closure](https://en.wikipedia.org/wiki/Deductive_closure)
defined-as general `infix` mo ≜<br/>mo ≡<br/>mo :=<br/>mover = def<br/>mo : [https://mathworld.wolfram.com/Defined.html<br/>https://math.stackexchange.com/questions/522864/what-is-the-symbol-triangleq<br/><br/>](https://math.stackexchange.com/questions/522864/what-is-the-symbol-triangleq)[https://drive.google.com/file/d/1z_dcQ6lsOA_0CsH55fwcg4hQF_w22olM/view](https://drive.google.com/file/d/1z_dcQ6lsOA_0CsH55fwcg4hQF_w22olM/view) defined-to-be-equal-to<br/>equal-to-by-definition
degree physics<br/>geometry `prefix`<br/>`postfix` mo ° [https://mathworld.wolfram.com/Degree.html](https://mathworld.wolfram.com/Degree.html)<br/>https://en.wikipedia.org/wiki/Degree_(angle)<br/>https://en.wikipedia.org/wiki/Degree_(temperature)<br/>https://ncatlab.org/nlab/show/degree<br/>https://www.encyclopediaofmath.org/index.php/Degree
degree-of-graph graph theory `function` mi deg [https://en.wikipedia.org/wiki/Degree_(graph_theory)](https://en.wikipedia.org/wiki/Degree_(graph_theory)) valency, degree
degree-of-freedom statistics `symbol` mi ν [https://mathworld.wolfram.com/DegreeofFreedom.html](https://mathworld.wolfram.com/DegreeofFreedom.html)<br/>[https://en.wikipedia.org/wiki/Degrees_of_freedom_(statistics)$notation](https://en.wikipedia.org/wiki/Degrees_of_freedom_(statistics)#Notation)
degree-of-mapping topology `function` mi deg [https://en.wikipedia.org/wiki/Degree_of_a_continuous_mapping](https://en.wikipedia.org/wiki/Degree_of_a_continuous_mapping) degree
degree-of-polynomial polynomials `function` mi deg [https://en.wikipedia.org/wiki/Degree_of_a_polynomial](https://en.wikipedia.org/wiki/Degree_of_a_polynomial) degree
dependence-relation linear algebra `infix` mo ◃ [https://en.wikipedia.org/wiki/Dependence_relation](https://en.wikipedia.org/wiki/Dependence_relation)
dereference programming languages `prefix` mo ! [https://arxiv.org/pdf/1208.5915.pdf](https://arxiv.org/pdf/1208.5915.pdf)
derivation-tree logic `mfrac` mfrac [https://www.encyclopediaofmath.org/index.php/Derivation_tree](https://www.encyclopediaofmath.org/index.php/Derivation_tree)
derived-category category theory `function` mi D https://en.wikipedia.org/wiki/Derived_category<br/>https://ncatlab.org/nlab/show/derived+category<br/>https://www.encyclopediaofmath.org/index.php/Derived_category
diagonal-functor category theory `symbol` mi Δ https://en.wikipedia.org/wiki/Diagonal_functor<br/>https://ncatlab.org/nlab/show/diagonal+functor
diagonal-intersection set theory `function` mi Δ [https://en.wikipedia.org/wiki/Diagonal_intersection](https://en.wikipedia.org/wiki/Diagonal_intersection)
diagonal-matrix linear algebra `function` mi diag [<br/>https://en.wikipedia.org/wiki/Diagonal_matrix<br/>](https://en.wikipedia.org/wiki/Diagonal_matrix)
diameter geometry `symbol`<br/>`prefix unit` mi d<br/>mo ⌀<br/>mi DIA<br/>mi dia [https://en.wikipedia.org/wiki/Diameter#Symbol](https://en.wikipedia.org/wiki/Diameter#Symbol)
dickman-function special functions `function` mi ρ https://mathworld.wolfram.com/DickmanFunction.html<br/>https://en.wikipedia.org/wiki/Dickman_function<br/>https://www.encyclopediaofmath.org/index.php/Dickman_function dickman-de-bruijn-function
different-ideal algebraic number theory `function` msub δ $1 [<br/>https://en.wikipedia.org/wiki/Different_ideal](https://en.wikipedia.org/wiki/Different_ideal) different
differential-entropy information theory `function` mi h https://mathworld.wolfram.com/DifferentialEntropy.html<br/>https://en.wikipedia.org/wiki/Differential_entropy<br/>https://www.encyclopediaofmath.org/index.php/Differential_entropy continuous-entropy
differential-operator calculus `prefix` mi D<br/>mo ∂<br/>mfrac d mrow d $1 https://mathworld.wolfram.com/DifferentialOperator.html<br/>[https://en.wikipedia.org/wiki/Differential_operator](https://en.wikipedia.org/wiki/Differential_operator)<br/>https://ncatlab.org/nlab/show/differential+operator<br/>https://www.encyclopediaofmath.org/index.php/Differential_operator newton-leibniz-operator, differential, diff
digamma-function special functions `symbol` msub ψ 0<br/>msup ψ (0)<br/>mi Ϝ https://mathworld.wolfram.com/DigammaFunction.html<br/>https://en.wikipedia.org/wiki/Digamma_function
dihedral-group group theory `symbol` msub D $1<br/>msub Dih $1<br/>msub D 2$1 https://mathworld.wolfram.com/DihedralGroup.html<br/>https://en.wikipedia.org/wiki/Dihedral_group
dilation mathematical morphology `infix` mo ⊕ [<br/>https://en.wikipedia.org/wiki/Dilation_(morphology)](https://en.wikipedia.org/wiki/Dilation_(morphology))
dilogarithm special functions `function` msub Li 2 https://mathworld.wolfram.com/Dilogarithm.html<br/>https://en.wikipedia.org/wiki/Spence%27s_function<br/>https://dlmf.nist.gov/25.12#E1<br/>https://ncatlab.org/nlab/show/dilogarithm<br/>https://ncatlab.org/nlab/show/dilogarithm spence-function
dimension linear algebra<br/>graph theory `function`<br/>`fenced` mi dim<br/>mrow [ $1 ] https://mathworld.wolfram.com/Dimension.html<br/>https://en.wikipedia.org/wiki/Dimension_(mathematics_and_physics)<br/>https://en.wikipedia.org/wiki/Dimension_(graph_theory)<br/>https://en.wikipedia.org/wiki/Order_dimension<br/>https://en.wikipedia.org/wiki/Dimensions_(animation)<br/>https://en.wikipedia.org/wiki/Dimension_(vector_space)<br/>https://en.wikipedia.org/wiki/Dimension_of_an_algebraic_variety<br/>https://en.wikipedia.org/wiki/Slowly_changing_dimension<br/>https://en.wikipedia.org/wiki/Scaling_dimension<br/>https://ncatlab.org/nlab/show/dimension<br/>https://www.encyclopediaofmath.org/index.php/Dimension[<br/><br/>](https://physics.stackexchange.com/questions/77690/square-bracket-notation-for-dimensions-and-units-usage-and-conventions)[https://physics.stackexchange.com/questions/77690/square-bracket-notation-for-dimensions-and-units-usage-and-conventio](https://physics.stackexchange.com/questions/77690/square-bracket-notation-for-dimensions-and-units-usage-and-conventions)ns[<br/>https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-value](https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-values)s
dirac-delta-function analysis `function` mi δ https://mathworld.wolfram.com/DiracDeltaFunction.html<br/>https://en.wikipedia.org/wiki/Dirac_delta_function delta-function
dirac-matrix mathematical physics `constant` msup γ 0<br/>msup γ 1<br/>msup γ 2<br/>msup γ 3 https://mathworld.wolfram.com/DiracMatrices.html<br/>https://en.wikipedia.org/wiki/Gamma_matrices<br/>https://www.encyclopediaofmath.org/index.php/Dirac_matrices gamma-matrix
dirac-measure measure theory `function` mi δ [https://en.wikipedia.org/wiki/Dirac_measure](https://en.wikipedia.org/wiki/Dirac_measure)
dirac-operator differential operators `function` mi D https://mathworld.wolfram.com/DiracOperator.html<br/>https://en.wikipedia.org/wiki/Dirac_operator<br/>https://ncatlab.org/nlab/show/Dirac+operator
direct-limit category theory `prefix` munder lim → https://mathworld.wolfram.com/DirectLimit.html<br/>https://en.wikipedia.org/wiki/Direct_limit<br/>https://ncatlab.org/nlab/show/direct+limit
direct-product abstract algebra `infix` mo × https://mathworld.wolfram.com/DirectProduct.html<br/>[https://en.wikipedia.org/wiki/Direct_product](https://en.wikipedia.org/wiki/Direct_product)<br/>https://en.wikipedia.org/wiki/Direct_product_of_groups<br/>https://ncatlab.org/nlab/show/direct+product<br/>[https://www.encyclopediaofmath.org/index.php/Direct_product](https://www.encyclopediaofmath.org/index.php/Direct_product)
direct-sum abstract algebra `infix` mo ⊕ https://mathworld.wolfram.com/DirectSum.html<br/>https://en.wikipedia.org/wiki/Direct_sum<br/>https://en.wikipedia.org/wiki/Direct_sum_of_modules<br/>https://en.wikipedia.org/wiki/Skew_and_direct_sums_of_permutations<br/>https://en.wikipedia.org/wiki/Disjoint_union_(topology)<br/>https://en.wikipedia.org/wiki/Direct_sum_of_groups<br/>https://ncatlab.org/nlab/show/direct+sum<br/>https://www.encyclopediaofmath.org/index.php/Direct_sum
directional-derivative differential calculus `function`<br/>`mixfix` msub ∇ v<br/>msub D v<br/>mrow v ⋅ ∇ $1 https://mathworld.wolfram.com/DirectionalDerivative.html<br/>https://en.wikipedia.org/wiki/Directional_derivative<br/>https://ncatlab.org/nlab/show/directional+derivative
dirichlet-character special-functions `function` mi χ https://mathworld.wolfram.com/DirichletCharacter.html<br/>https://en.wikipedia.org/wiki/Dirichlet_character<br/>https://dlmf.nist.gov/27.8<br/>https://www.encyclopediaofmath.org/index.php/Dirichlet_character
dirichlet-convolution number theory `infix` mo ∗ https://en.wikipedia.org/wiki/Dirichlet_convolution<br/>https://www.encyclopediaofmath.org/index.php/Dirichlet_convolution
dirichlet-distribution statistics `symbol` mi Dir https://mathworld.wolfram.com/DirichletDistribution.html<br/>https://en.wikipedia.org/wiki/Dirichlet_distribution<br/>https://www.encyclopediaofmath.org/index.php/Dirichlet_distribution
dirichlet-eta-function analytic number theory `function` mi η https://mathworld.wolfram.com/DirichletEtaFunction.html<br/>https://en.wikipedia.org/wiki/%CE%97(x)<br/>https://en.wikipedia.org/wiki/Dirichlet_eta_function
dirichlet-kernel mathematical analysis `function` msub D n https://mathworld.wolfram.com/DirichletKernel.html<br/>https://en.wikipedia.org/wiki/Dirichlet_kernel<br/>https://www.encyclopediaofmath.org/index.php/Dirichlet_kernel
dirichlet-l-function special-functions `function` mi L https://mathworld.wolfram.com/DirichletL-Function.html<br/>https://en.wikipedia.org/wiki/Dirichlet_L-function dirichlet-l-series
discrete-valuation commutative algebra `function` mi ν https://en.wikipedia.org/wiki/Discrete_valuation<br/>https://ncatlab.org/nlab/show/discrete+valuation
discriminant polynomials `function` mi Disc<br/>mi D<br/>mi Δ https://mathworld.wolfram.com/Discriminant.html<br/>https://en.wikipedia.org/wiki/Discriminant<br/>https://ncatlab.org/nlab/show/discriminant<br/>https://www.encyclopediaofmath.org/index.php/Discriminant
disjoint-union set theory `indexed` msup ∪ *<br/>mo ⊔ https://mathworld.wolfram.com/DisjointUnion.html<br/>https://en.wikipedia.org/wiki/Disjoint_union<br/>https://en.wikipedia.org/wiki/Tagged_union<br/>https://en.wikipedia.org/wiki/Disjoint_union_(topology)<br/>https://ncatlab.org/nlab/show/disjoint+union
distance geometry `fenced` $1 $2 <br/> [https://en.wikipedia.org/wiki/Distance<br/>](https://en.wikipedia.org/wiki/Distance)
diverge computer science `postfix` mo ↑ [https://en.wikipedia.org/wiki/Divergence_(computer_science)](https://en.wikipedia.org/wiki/Divergence_(computer_science)) divergence
divergence vector calculus `function`<br/>`mixfix` mi div<br/>mrow ∇ ⋅ $1 https://mathworld.wolfram.com/Divergence.html<br/>https://en.wikipedia.org/wiki/Divergence_(computer_science)<br/>https://en.wikipedia.org/wiki/Divergence<br/>https://en.wikipedia.org/wiki/Divergence_(statistics)<br/>https://ncatlab.org/nlab/show/divergence<br/>[https://www.encyclopediaofmath.org/index.php/Divergence](https://www.encyclopediaofmath.org/index.php/Divergence)
divided-difference special functions `fenced`<br/>`mixfix` mrow [ $1, … $n ]<br/>mrow #f [$1, …, $n ]<br/>mrow D [ $1, … $n ] #f https://mathworld.wolfram.com/DividedDifference.html<br/>https://en.wikipedia.org/wiki/Divided_differences<br/>https://dlmf.nist.gov/3.3#SS3.p1
divisible-by number theory `infix` $1 $2<br/>$2 ⋮ $1<br/>$2 / $1 [https://youtu.be/9dyK_op-Ocw?t=251<br/><br/>](https://youtu.be/9dyK_op-Ocw?t=251)[https://en.wikipedia.org/wiki/Divisor<br/>](https://en.wikipedia.org/wiki/Divisor)[<br/>https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D0%BB%D0%B8%D0%BC%D0%BE%D1%81%D1%82%D1%8C<br/><br/>](https://ru.wikipedia.org/wiki/%D0%94%D0%B5%D0%BB%D0%B8%D0%BC%D0%BE%D1%81%D1%82%D1%8C)https://youtu.be/a3wyG2mkmxc?t=32 divides
divisor-function number theory `indexed` mi σ https://mathworld.wolfram.com/DivisorFunction.html<br/>https://en.wikipedia.org/wiki/D(n)<br/>https://en.wikipedia.org/wiki/%CE%A3(n)<br/>https://en.wikipedia.org/wiki/Divisor_function<br/>https://dlmf.nist.gov/27.2#E9<br/>https://dlmf.nist.gov/27.2#SS1.p4
domain set theory `function` mi dom [https://en.wikipedia.org/wiki/Domain_of_a_function<br/>](https://en.wikipedia.org/wiki/Domain_of_a_function)
domain-of-discourse formal semantics `symbol` mi 𝔻 [https://en.wikipedia.org/wiki/Domain_of_discourse](https://en.wikipedia.org/wiki/Domain_of_discourse) universe-of-discourse
domination-number graph theory `function` mi γ https://mathworld.wolfram.com/DominationNumber.html<br/>https://en.wikipedia.org/wiki/Dominating_set<br/>https://en.wikipedia.org/wiki/Domination_number<br/>https://en.wikipedia.org/wiki/Independent_domination_number<br/>https://en.wikipedia.org/wiki/Domination_analysis<br/>https://en.wikipedia.org/wiki/Domination_perfect_graph
dot-product linear algebra `infix` mo ⋅ https://mathworld.wolfram.com/DotProduct.html<br/>[https://en.wikipedia.org/wiki/Dot_product](https://en.wikipedia.org/wiki/Dot_product) scalar-product
double-bond chemistry `infix` mo = [https://en.wikipedia.org/wiki/Double_bond](https://en.wikipedia.org/wiki/Double_bond)
double-category category theory `infix` mover → → [https://ncatlab.org/nlab/show/double+category](https://ncatlab.org/nlab/show/double+category)
double-factorial combinatorics `postfix` mo !! [https://mathworld.wolfram.com/DoubleFactorial.html](https://mathworld.wolfram.com/DoubleFactorial.html)<br/>https://en.wikipedia.org/wiki/Double_factorial[<br/>](https://arxiv.org/pdf/0806.2334.pdf)[https://arxiv.org/pdf/0806.2334.pd](https://arxiv.org/pdf/0806.2334.pdf)f semifactorial
double-mersenne-number number theory `symbol` msub M msub M $1 https://mathworld.wolfram.com/DoubleMersenneNumber.html<br/>https://en.wikipedia.org/wiki/Double_Mersenne_number<br/>https://en.wikipedia.org/wiki/Double_Mersenne_prime<br/>https://en.wikipedia.org/wiki/Catalan%27s_Mersenne_conjecture
drinfeld-center category theory `prefix` mi 𝒵 [https://en.wikipedia.org/wiki/Center_(category_theory)](https://en.wikipedia.org/wiki/Center_(category_theory)) center
dual-basis linear algebra `msup` msup $1 * https://mathworld.wolfram.com/DualBasis.html<br/>https://en.wikipedia.org/wiki/Dual_basis<br/>https://ncatlab.org/nlab/show/dual+basis<br/>https://www.encyclopediaofmath.org/index.php/Dual_basis dual-set<br/>reciprocal-basis
dual-bundle vector bundles `msup` msup $1 * https://mathworld.wolfram.com/DualBundle.html<br/>https://en.wikipedia.org/wiki/Dual_bundle<br/>https://www.encyclopediaofmath.org/index.php/Dual_bundle dual
dual-space linear algebra `msup` msup $1 *<br/>msup $1 $1<br/>msup $1 ’ [https://mathworld.wolfram.com/DualSpace.html](https://mathworld.wolfram.com/DualSpace.html)<br/>[https://en.wikipedia.org/wiki/Dual_space](https://en.wikipedia.org/wiki/Dual_space)<br/>https://ncatlab.org/nlab/show/dual+space dual
duodecimal arithmetic `unit` msub $1 z<br/>msub $1 12<br/>mi doz https://mathworld.wolfram.com/Duodecimal.html<br/>[https://en.wikipedia.org/wiki/Duodecimal#Base_notation](https://en.wikipedia.org/wiki/Duodecimal#Base_notation) base-twelve<br/>dozenal
E e-function special functions `function` mi E https://mathworld.wolfram.com/E-Function.html<br/>https://en.wikipedia.org/wiki/E-function<br/>https://en.wikipedia.org/wiki/MacRobert_E_function<br/>https://www.encyclopediaofmath.org/index.php/E-function
eccentricity analytic geometry<br/>graph theory `symbol` mi e<br/>mi ϵ https://mathworld.wolfram.com/Eccentricity.html<br/>https://en.wikipedia.org/wiki/Eccentricity_(mathematics)<br/>https://www.encyclopediaofmath.org/index.php/Eccentricity
edge-cover-number graph theory `function` mi ρ <br/>https://mathworld.wolfram.com/EdgeCoverNumber.html<br/>https://en.wikipedia.org/wiki/Edge_covering_number
effective-domain convex analysis `function` mi dom [https://en.wikipedia.org/wiki/Effective_domain](https://en.wikipedia.org/wiki/Effective_domain)
efficiency statistics `function` mi e https://en.wikipedia.org/wiki/Antenna_efficiency<br/>https://en.wikipedia.org/wiki/Efficiency_(statistics)<br/>https://en.wikipedia.org/wiki/Efficiency
einstein-tensor general relativity `symbol` mi G https://mathworld.wolfram.com/EinsteinTensor.html<br/>https://en.wikipedia.org/wiki/Einstein_tensor<br/>https://ncatlab.org/nlab/show/Einstein+tensor
elliptic-function special functions `function` mi cn<br/>mi sn<br/>mi dn https://mathworld.wolfram.com/EllipticFunction.html<br/>https://en.wikipedia.org/wiki/Elliptic_function<br/>https://ncatlab.org/nlab/show/elliptic+function<br/>https://www.encyclopediaofmath.org/index.php/Elliptic_function[<br/>](https://mathworld.wolfram.com/JacobiEllipticFunctions.html)[https://mathworld.wolfram.com/JacobiEllipticFunctions.htm](https://mathworld.wolfram.com/JacobiEllipticFunctions.html)l
end category theory `symbol` mi e https://en.wikipedia.org/wiki/End_(category_theory)<br/>https://ncatlab.org/nlab/show/end
endomorphism-monoid category theory `function` mi End https://mathworld.wolfram.com/Endomorphism.html<br/>https://en.wikipedia.org/wiki/Endomorphism<br/>https://ncatlab.org/nlab/show/endomorphism<br/>https://www.encyclopediaofmath.org/index.php/Endomorphism
energy physics `symbol` mi E [https://ncatlab.org/nlab/show/energy](https://ncatlab.org/nlab/show/energy)
energy-of-signal signal processing `symbol` msub E s [<br/>https://en.wikipedia.org/wiki/Energy_(signal_processing)<br/>](https://en.wikipedia.org/wiki/Energy_(signal_processing))
entropy physics `unit` mi S [https://en.wikipedia.org/wiki/Entropy<br/>](https://en.wikipedia.org/wiki/Entropy)[https://en.wikipedia.org/wiki/Entropy_(arrow_of_time)<br/>](https://en.wikipedia.org/wiki/Entropy_(arrow_of_time))[https://en.wikipedia.org/wiki/Entropy_(classical_thermodynamics)<br/>](https://en.wikipedia.org/wiki/Entropy_(classical_thermodynamics))[https://en.wikipedia.org/wiki/Entropy_(statistical_thermodynamics)<br/>](https://en.wikipedia.org/wiki/Entropy_(statistical_thermodynamics))[https://en.wikipedia.org/wiki/History_of_entropy](https://en.wikipedia.org/wiki/History_of_entropy)
epigraph analysis `function` mi epi [https://en.wikipedia.org/wiki/Epigraph_(mathematics)](https://en.wikipedia.org/wiki/Epigraph_(mathematics))
epsilon-number ordinal numbers `symbol` mi ε [https://en.wikipedia.org/wiki/Epsilon_numbers_(mathematics)](https://en.wikipedia.org/wiki/Epsilon_numbers_(mathematics))
equalizer set theory `function` mi Eq [https://mathworld.wolfram.com/Equalizer.html](https://mathworld.wolfram.com/Equalizer.html)<br/>https://en.wikipedia.org/wiki/Equaliser_(mathematics)<br/>https://ncatlab.org/nlab/show/equalizer difference-kernel, equaliser
equivalence-class set theory `fenced` mrow [ $1 ] https://mathworld.wolfram.com/EquivalenceClass.html<br/>https://en.wikipedia.org/wiki/Equivalence_class<br/>https://en.wikipedia.org/wiki/Equivalence_class_(music)<br/>https://ncatlab.org/nlab/show/equivalence+class<br/>https://www.encyclopediaofmath.org/index.php/Equivalence_class
equivalence-relation set theory `infix` mo ~ https://mathworld.wolfram.com/EquivalenceRelation.html<br/>https://en.wikipedia.org/wiki/Equivalence_relation<br/>https://ncatlab.org/nlab/show/equivalence+relation<br/>https://www.encyclopediaofmath.org/index.php/Equivalence_relation<br/> equivalence
equivariant-cohomology algebraic topology `function` msubsup H $1 $2 https://en.wikipedia.org/wiki/Equivariant_cohomology<br/>https://ncatlab.org/nlab/show/equivariant+cohomology<br/>https://www.encyclopediaofmath.org/index.php/Equivariant_cohomology
erdos-borwein-constant number theory `symbol` mi E https://mathworld.wolfram.com/Erdos-BorweinConstant.html<br/>https://en.wikipedia.org/wiki/Erd%C5%91s%E2%80%93Borwein_constant<br/>
error-function special functions `function` mi erf<br/>mi erfc<br/>mi w https://mathworld.wolfram.com/ErrorFunction.html<br/>https://en.wikipedia.org/wiki/Error_function<br/>https://dlmf.nist.gov/7.2#i<br/>https://dlmf.nist.gov/7.2#E1
essential-extension abstract algebra `infix` msub ⊆ e<br/>mo ⊴<br/>mo ⊂ [https://en.wikipedia.org/wiki/Essential_extension](https://en.wikipedia.org/wiki/Essential_extension) essential-submodule, large-submodule
essential-infimum measure theory `function` mi ess inf https://mathworld.wolfram.com/EssentialSupremum.html<br/>[https://en.wikipedia.org/wiki/Essential_supremum_and_essential_infimum](https://en.wikipedia.org/wiki/Essential_supremum_and_essential_infimum)<br/>https://ncatlab.org/nlab/show/essential+supremum
essential-supremum measure theory `function` mi ess sup https://mathworld.wolfram.com/EssentialSupremum.html<br/>[https://en.wikipedia.org/wiki/Essential_supremum_and_essential_infimum](https://en.wikipedia.org/wiki/Essential_supremum_and_essential_infimum)<br/>https://ncatlab.org/nlab/show/essential+supremum
estimated symbols `symbol` mi ℮ [<br/>https://en.wikipedia.org/wiki/Estimation](https://en.wikipedia.org/wiki/Estimation) estimated-sign, e-mark
etale-cohomology algebraic topology `function` msubsup H et • https://en.wikipedia.org/wiki/%C3%89tale_cohomology<br/>https://ncatlab.org/nlab/show/etale+cohomology<br/>https://www.encyclopediaofmath.org/index.php/Etale_cohomology
euclid-number number theory `symbol` msub E $1 https://mathworld.wolfram.com/EuclidNumber.html<br/>https://en.wikipedia.org/wiki/Euclid_number
euclidean-distance geometry `function` mi d<br/>msub d $1 [https://en.wikipedia.org/wiki/Euclidean_distance](https://en.wikipedia.org/wiki/Euclidean_distance) euclidean-metric
euclidean-plane geometry `symbol` msup ℝ 2 [https://mathworld.wolfram.com/EuclideanPlane.html](https://mathworld.wolfram.com/EuclideanPlane.html) euclidean-space
euler-characteristic algebraic topology `function` mi χ https://mathworld.wolfram.com/EulerCharacteristic.html<br/>https://en.wikipedia.org/wiki/Euler_characteristic<br/>https://ncatlab.org/nlab/show/Euler+characteristic<br/>https://www.encyclopediaofmath.org/index.php/Euler_characteristic
euler-class algebraic topology `function` mi e https://en.wikipedia.org/wiki/Euler_class<br/>https://ncatlab.org/nlab/show/Euler+class<br/>https://www.encyclopediaofmath.org/index.php/Euler_class
euler-constant analysis `symbol` mi γ<br/>mi 𝛾 https://mathworld.wolfram.com/Euler-MascheroniConstant.html<br/>https://en.wikipedia.org/wiki/%CE%93%27(1)<br/>[https://en.wikipedia.org/wiki/Euler%E2%80%93Mascheroni_constant](https://en.wikipedia.org/wiki/Euler%E2%80%93Mascheroni_constant)<br/>https://dlmf.nist.gov/5.2#E3<br/>https://www.encyclopediaofmath.org/index.php/Euler_constant<br/> euler-mascheroni-constant
euler-number physics `symbol` mi Eu<br/>mi e<br/>mi 𝑒 https://mathworld.wolfram.com/EulerNumber.html<br/>https://en.wikipedia.org/wiki/Euler_number<br/>[https://en.wikipedia.org/wiki/Euler_number_(physics)](https://en.wikipedia.org/wiki/Euler_number_(physics))<br/>https://dlmf.nist.gov/24.1#P2<br/>https://dlmf.nist.gov/24.2#ii<br/>https://ncatlab.org/nlab/show/Euler+number<br/>https://www.encyclopediaofmath.org/index.php/Euler_numbers napier-constant
euler-polynomial special-functions `function` msub E $1 https://mathworld.wolfram.com/EulerPolynomial.html<br/>https://dlmf.nist.gov/24.1#P2<br/>https://dlmf.nist.gov/24.2#ii<br/>https://www.encyclopediaofmath.org/index.php/Euler_polynomials
euler-totient-function number theory `function` mi φ<br/>mi ϕ https://mathworld.wolfram.com/EulerTotientFunction.html<br/>https://en.wikipedia.org/wiki/Euler%27s_totient_function totient-function
euler-mascheroni-constant number theory `constant` mi γ https://mathworld.wolfram.com/Euler-MascheroniConstant.html<br/>https://en.wikipedia.org/wiki/%CE%93%27(1)<br/>https://en.wikipedia.org/wiki/Euler%E2%80%93Mascheroni_constant
eulerian-number combinatorics `function` mi A https://mathworld.wolfram.com/EulerianNumber.html<br/>https://en.wikipedia.org/wiki/Eulerian_number<br/>https://dlmf.nist.gov/26.14#SS1.p3
exclusive-or logic `infix` mo ⊻<br/>mo ⊕<br/>mo ↮<br/>mo ≢<br/>mi XOR https://mathworld.wolfram.com/ExclusiveDisjunction.html<br/>https://ncatlab.org/nlab/show/exclusive+disjunction<br/>[https://www.encyclopediaofmath.org/index.php/Exclusive_disjunction<br/>](https://www.encyclopediaofmath.org/index.php/Exclusive_disjunction)https://mathworld.wolfram.com/ExclusiveOr.html<br/>[https://en.wikipedia.org/wiki/Exclusive_or](https://en.wikipedia.org/wiki/Exclusive_or) exclusive-disjunction, xor
expectation-value quantum physics `fenced` mrow ⟨ $1 ⟩ https://mathworld.wolfram.com/ExpectationValue.html<br/>https://en.wikipedia.org/wiki/Expectation_value_(quantum_mechanics)<br/>https://ncatlab.org/nlab/show/expectation+value
expected-value probability theory `function` mi E<br/>mi M<br/>msub μ $1<br/> [https://en.wikipedia.org/wiki/Expected_value$notations](https://en.wikipedia.org/wiki/Expected_value#Notations) mathematical-expectation, expectation, mean, average, first-moment
exponential-factorial number theory `postfix` mo $ https://mathworld.wolfram.com/ExponentialFactorial.html<br/>https://en.wikipedia.org/wiki/Exponential_factorial
exponential-integral mi Ei https://mathworld.wolfram.com/ExponentialIntegral.html<br/>https://en.wikipedia.org/wiki/Exponential_integral<br/>https://dlmf.nist.gov/6.2#i<br/>https://dlmf.nist.gov/6.2#E1<br/>https://dlmf.nist.gov/6.2#SS1.p3 ei
exterior topology `function`<br/>`msup` mi ext<br/>msup $1 e https://mathworld.wolfram.com/Exterior.html<br/>https://en.wikipedia.org/wiki/Exterior_(topology)
exterior-derivative differential forms `operator` mi d https://mathworld.wolfram.com/ExteriorDerivative.html<br/>https://en.wikipedia.org/wiki/Exterior_derivative
exterior-algebra multilinear algebra `function` mi Λ [https://en.wikipedia.org/wiki/Exterior_algebra](https://en.wikipedia.org/wiki/Exterior_algebra)
exterior-product multilinear algebra `infix` mo ∧ https://mathworld.wolfram.com/ExteriorProduct.html<br/><br/>https://www.encyclopediaofmath.org/index.php/Exterior_product wedge-product
F f-distribution probability theory `indexed symbol` msub F $1 https://mathworld.wolfram.com/F-Distribution.html<br/>https://www.encyclopediaofmath.org/index.php/F-distribution
faber-polynomial polynomials `function` msub P m https://mathworld.wolfram.com/FaberPolynomial.html<br/>https://en.wikipedia.org/wiki/Faber_polynomials<br/>https://www.encyclopediaofmath.org/index.php/Faber_polynomials
falling-factorial combinatorics `mixfix` msup $1 mover $2 ¯<br/>msup $1 munder $2 ¯<br/>msub mrow ( $1 ) /mrow $2 [https://en.wikipedia.org/wiki/Falling_and_rising_factorials](https://en.wikipedia.org/wiki/Falling_and_rising_factorials)<br/>https://mathworld.wolfram.com/FallingFactorial.html<br/>https://dlmf.nist.gov/26.1#P1.p1 descending-factorial, falling-sequential-product, lower-factorial, pochhammer-symbol
fatou-set complex dynamics `function` mi F [https://en.wikipedia.org/wiki/Julia_set<br/>](https://en.wikipedia.org/wiki/Julia_set)
farey-sequence number theory `symbol` mi F https://mathworld.wolfram.com/FareySequence.html<br/>https://en.wikipedia.org/wiki/Farey_sequence
feferman-schutte-ordinal ordinal numbers `symbol` msub Γ 0 [https://en.wikipedia.org/wiki/Feferman%E2%80%93Sch%C3%BCtte_ordinal](https://en.wikipedia.org/wiki/Feferman%E2%80%93Sch%C3%BCtte_ordinal)
feigenbaum-constant chaos theory `symbol` mi δ https://mathworld.wolfram.com/FeigenbaumConstant.html<br/>https://en.wikipedia.org/wiki/Feigenbaum_constants
fermat-number number theory `indexed symbol` msub F $1 https://mathworld.wolfram.com/FermatNumber.html<br/>https://en.wikipedia.org/wiki/Fermat_number
fermat-quotient number theory `function` msub q $1 https://mathworld.wolfram.com/FermatQuotient.html<br/>https://en.wikipedia.org/wiki/Fermat_quotient
fermi-dirac-distribution quantum statistics `function` mover n ¯ [<br/>https://en.wikipedia.org/wiki/Fermi%E2%80%93Dirac_distribution<br/>](https://en.wikipedia.org/wiki/Fermi%E2%80%93Dirac_distribution) f-d-distribution
feynman-slash quantum field theory `menclose` menclose notation=”updiagonalstrike” $1 [https://en.wikipedia.org/wiki/Feynman_slash_notation](https://en.wikipedia.org/wiki/Feynman_slash_notation)
fibonacci-number number theory `indexed symbol` msub F $1 https://mathworld.wolfram.com/FibonacciNumber.html<br/>https://en.wikipedia.org/wiki/Fibonacci_number<br/>https://en.wikipedia.org/wiki/Fibonacci_numbers_in_popular_culture<br/>https://dlmf.nist.gov/26.11#p4<br/>https://www.encyclopediaofmath.org/index.php/Fibonacci_numbers
fibonacci-polynomial polynomials `indexed function` msub F $1 https://mathworld.wolfram.com/FibonacciPolynomial.html<br/>https://en.wikipedia.org/wiki/Fibonacci_polynomials<br/>https://www.encyclopediaofmath.org/index.php/Fibonacci_polynomials
fibre-product category theory `indexed infix` msub × $1 https://en.wikipedia.org/wiki/Pullback_(category_theory)<br/>[https://www.encyclopediaofmath.org/index.php/Fibre_product](https://www.encyclopediaofmath.org/index.php/Fibre_product) pullback, fiber-product, cartesian-square
field-extension algebra `infix` mo / https://mathworld.wolfram.com/FieldExtension.html<br/>https://en.wikipedia.org/wiki/Field_extension<br/>https://ncatlab.org/nlab/show/field+extension<br/>https://www.encyclopediaofmath.org/index.php/Field_extension
field-of-sets boolean algebra `fenced` <br/><br/>⟨$1, $2⟩ https://en.wikipedia.org/wiki/Field_of_sets<br/>https://www.encyclopediaofmath.org/index.php/Field_of_sets
first-isogonic-center geometry `symbol` mrow X(13) [https://en.wikipedia.org/wiki/Fermat_point](https://en.wikipedia.org/wiki/Fermat_point)
fisher-information statistics `function` mi I https://mathworld.wolfram.com/FisherInformation.html<br/>https://en.wikipedia.org/wiki/Fisher_information information
flattening celestial mechanics `symbol` mi f https://mathworld.wolfram.com/Flattening.html<br/>[https://en.wikipedia.org/wiki/Flattening](https://en.wikipedia.org/wiki/Flattening)<br/> ellipticity, oblateness
floor number theory `fenced`<br/>`function` ⌊ $1 ⌋<br/>〚 $1 〛<br/>[ $1 ]<br/>floor ($1) [https://en.wikipedia.org/wiki/Floor_and_ceiling_functions<br/>https://youtu.be/RxNs4SwP6lk<br/>](https://youtu.be/RxNs4SwP6lk)[https://drive.google.com/file/d/1T3zc–Fbz0tFHaJq527Y_ZUyAvpOdSuM/view](https://drive.google.com/file/d/1T3zc–Fbz0tFHaJq527Y_ZUyAvpOdSuM/view)
fock-space quantum mechanics `function` mi F https://en.wikipedia.org/wiki/Fock_space<br/>https://ncatlab.org/nlab/show/Fock+space<br/>https://www.encyclopediaofmath.org/index.php/Fock_space
forward-difference numerical analysis `operator` mrow msub Δ $1 [$2] ($3) [https://en.wikipedia.org/wiki/Finite_difference<br/>https://mathworld.wolfram.com/ForwardDifference.html](https://mathworld.wolfram.com/ForwardDifference.html)<br/>https://dlmf.nist.gov/18.1#EGx1
fourier-cosine-transform functional analysis `operator` msub ℱ c https://mathworld.wolfram.com/FourierCosineTransform.html<br/>https://dlmf.nist.gov/1.14#E9<br/>https://www.encyclopediaofmath.org/index.php/Fourier_cosine_transform
fourier-sine-transform functional analysis `operator` msub ℱ s https://mathworld.wolfram.com/FourierSineTransform.html<br/>https://dlmf.nist.gov/1.14#E10<br/>https://www.encyclopediaofmath.org/index.php/Fourier_sine_transform
fourier-transform fourier analysis `mover` mover $1 ^ https://mathworld.wolfram.com/FourierTransform.html<br/>https://en.wikipedia.org/wiki/%E2%84%B1<br/>[https://en.wikipedia.org/wiki/Fourier_transform](https://en.wikipedia.org/wiki/Fourier_transform)<br/>https://dlmf.nist.gov/1.14#E1<br/>https://ncatlab.org/nlab/show/Fourier+transform<br/>[https://www.encyclopediaofmath.org/index.php/Fourier_transform](https://www.encyclopediaofmath.org/index.php/Fourier_transform)
fox-derivative geometric topology `mfrac` mfrac ∂… https://mathworld.wolfram.com/FoxDerivative.html<br/>https://en.wikipedia.org/wiki/Fox_derivative<br/>https://ncatlab.org/nlab/show/Fox+derivative
fox-wright-function special functions `mmultiscripts` mmultiscripts Ψ q none mprescripts p none [https://en.wikipedia.org/wiki/Fox%E2%80%93Wright_function](https://en.wikipedia.org/wiki/Fox%E2%80%93Wright_function) wright-function
fractional-derivative fractional caclulus `operator` msup D $1 https://mathworld.wolfram.com/FractionalDerivative.html<br/>https://dlmf.nist.gov/1.15#E51
fractional-integral fractional caclulus `operator` msup I $1 https://mathworld.wolfram.com/FractionalIntegral.html<br/>https://dlmf.nist.gov/1.15#E47<br/>https://dlmf.nist.gov/2.6#E33
fractional-part arithmetic `function`<br/>`fenced` mi frac<br/>mrow ⟦ $1 ⟧<br/>mrow { $1 } https://mathworld.wolfram.com/FractionalPart.html<br/>https://en.wikipedia.org/wiki/Fractional_part[<br/>](https://en.wikipedia.org/wiki/Floor_and_ceiling_functions)[https://en.wikipedia.org/wiki/Floor_and_ceiling_function](https://en.wikipedia.org/wiki/Floor_and_ceiling_functions)[s](https://en.wikipedia.org/wiki/Phase_(waves))[<br/>](https://en.wikipedia.org/wiki/Phase_(waves))[https://en.wikipedia.org/wiki/Phase_(wave](https://en.wikipedia.org/wiki/Phase_(waves))s) decimal-part
franel-number combinatorics `indexed symbol` mi Fr [https://mathworld.wolfram.com/FranelNumber.html<br/>](https://mathworld.wolfram.com/FranelNumber.html)
frattini-subgroup group theory `function` mi φ<br/>mi ϕ https://mathworld.wolfram.com/FrattiniSubgroup.html<br/>https://en.wikipedia.org/wiki/Frattini_subgroup<br/>https://www.encyclopediaofmath.org/index.php/Frattini_subgroup
frechet-derivative banach spaces `operator` mi D https://mathworld.wolfram.com/FrechetDerivative.html<br/>https://en.wikipedia.org/wiki/Fr%C3%A9chet_derivative<br/>https://www.encyclopediaofmath.org/index.php/Frechet_derivative<br/>https://www.encyclopediaofmath.org/index.php/Fréchet_derivative
frechet-topology topology `constant` msub T 1 [https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions](https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions)s tikhonov-space, accessible-space
fredholm-determinant mathematical physics `function` mi det https://en.wikipedia.org/wiki/Fredholm_determinant<br/>https://ncatlab.org/nlab/show/Fredholm+determinant<br/>https://ncatlab.org/nlab/show/Fredholm+determinant
free-algebra ring theory `mixfix` mrow $1⟨$2⟩ https://mathworld.wolfram.com/FreeAlgebra.html<br/>https://en.wikipedia.org/wiki/Free_algebra<br/>https://www.encyclopediaofmath.org/index.php/Free_algebra
free-module module theory `mixfix`<br/>`msup` mrow $1 { $2 }<br/>msup $1 ($2) https://mathworld.wolfram.com/FreeModule.html<br/>https://en.wikipedia.org/wiki/Free_module<br/>https://ncatlab.org/nlab/show/free+module<br/>https://www.encyclopediaofmath.org/index.php/Free_module
free-monoid abstract algebra `msup` msup $1 * https://en.wikipedia.org/wiki/Free_monoid<br/>https://en.wikipedia.org/wiki/Monoid_factorisation<br/>https://ncatlab.org/nlab/show/free+monoid
free-product group theory `infix` mo * https://mathworld.wolfram.com/FreeProduct.html<br/>https://en.wikipedia.org/wiki/Free_product<br/>https://www.encyclopediaofmath.org/index.php/Free_product
fresnel-integral special functions `operator` mi ℱ<br/>mi C<br/>mi S https://mathworld.wolfram.com/FresnelIntegrals.html<br/>https://en.wikipedia.org/wiki/Fresnel_integral<br/>https://dlmf.nist.gov/7.2#iii<br/>https://dlmf.nist.gov/7.2#E7<br/>https://dlmf.nist.gov/7.2#E6<br/>https://dlmf.nist.gov/7.2#E8<br/>https://www.encyclopediaofmath.org/index.php/Fresnel_integrals
frobenius-norm linear algebra `indexed fenced` msub mrow $1 /mrow F [https://mathworld.wolfram.com/FrobeniusNorm.html<br/>](https://mathworld.wolfram.com/FrobeniusNorm.html)[https://www.encyclopediaofmath.org/index.php/Frobenius_matrix_norm](https://www.encyclopediaofmath.org/index.php/Frobenius_matrix_norm) <br/>euclidean-norm, frobenius-matrix-norm
frolicher-nijenhuis-bracket differntial geometry `fenced` mrow [ $1 , $2 ] https://en.wikipedia.org/wiki/Fr%C3%B6licher%E2%80%93Nijenhuis_bracket<br/>[https://encyclopediaofmath.org/wiki/Fr%C3%B6licher-Nijenhuis_bracket](https://encyclopediaofmath.org/wiki/Fr%C3%B6licher-Nijenhuis_bracket)
functional-congruence number theory `mixfix` mrow $1 ≡ $2 (mod $3) [https://mathworld.wolfram.com/FunctionalCongruence.html](https://mathworld.wolfram.com/FunctionalCongruence.html) identical-congruence
functor-category category theory `msup`<br/>`fenced` msup $1 $2<br/>mrow [$1, $2] https://en.wikipedia.org/wiki/Functor_category<br/>https://ncatlab.org/nlab/show/functor+category
fundamental-matrix computer vision `symbol` mi F [https://en.wikipedia.org/wiki/Fundamental_matrix_(computer_vision)<br/>](https://en.wikipedia.org/wiki/Fundamental_matrix_(computer_vision))
G g-function special functions `indexed function` mi G https://mathworld.wolfram.com/G-Function.html<br/>https://en.wikipedia.org/wiki/Meijer_G-function meijer-g-function
gabor-transform integral transforms `operator` mi G https://en.wikipedia.org/wiki/Gabor_transform<br/>https://en.wikipedia.org/wiki/Gabor%E2%80%93Wigner_transform<br/>https://www.encyclopediaofmath.org/index.php/Gabor_transform
gain-function graph theory `function` mi φ https://en.wikipedia.org/wiki/Gain_graph<br/>https://en.wikipedia.org/wiki/Gain_group<br/>https://www.encyclopediaofmath.org/index.php/Gain_function
galilean-transformation physics `function` mi G https://mathworld.wolfram.com/GalileanTransformation.html<br/>https://en.wikipedia.org/wiki/Galilean_transformation<br/>https://www.encyclopediaofmath.org/index.php/Galilean_transformation
galois-field finite fields `function` mrow GF ($1)<br/>msub F $1<br/>msub 𝔽 $1 https://mathworld.wolfram.com/GaloisField.html<br/>[https://en.wikipedia.org/wiki/Finite_field](https://en.wikipedia.org/wiki/Finite_field)<br/>https://www.encyclopediaofmath.org/index.php/Galois_field finite-field
galois-group abstract algebra `function` mi Gal https://mathworld.wolfram.com/GaloisGroup.html<br/>https://en.wikipedia.org/wiki/Galois_group<br/>https://ncatlab.org/nlab/show/Galois+group<br/>https://www.encyclopediaofmath.org/index.php/Galois_group
gamma-distribution probability theory `symbol` mi Γ https://mathworld.wolfram.com/GammaDistribution.html<br/>[https://en.wikipedia.org/wiki/Gamma_distribution](https://en.wikipedia.org/wiki/Gamma_distribution)
gamma-function special functions `operator` mi Γ https://mathworld.wolfram.com/GammaFunction.html<br/>https://en.wikipedia.org/wiki/%CE%93(x)<br/>https://en.wikipedia.org/wiki/Gamma_function<br/>https://dlmf.nist.gov/5#PT2<br/>https://dlmf.nist.gov/5.2#E1<br/>https://ncatlab.org/nlab/show/Gamma+function euler-integral-of-the-second-kind
gateaux-derivative differential calculus `mixfix` mrow d$1($2; $3) https://mathworld.wolfram.com/GateauxDerivative.html<br/>[https://en.wikipedia.org/wiki/G%C3%A2teaux_derivative](https://en.wikipedia.org/wiki/G%C3%A2teaux_derivative)<br/>https://www.encyclopediaofmath.org/index.php/Gateaux_derivative<br/>https://www.encyclopediaofmath.org/index.php/Gâteaux_derivative gateaux-differential
gauss physics `unit` mi G [https://en.wikipedia.org/wiki/Gauss_(unit)](https://en.wikipedia.org/wiki/Gauss_(unit))
gaussian-distribution probability theory `symbol` mi 𝒩 [https://en.wikipedia.org/wiki/Normal_distribution](https://en.wikipedia.org/wiki/Normal_distribution)<br/> normal-distribution, gauss-distribution, laplace-gauss-distribution
gaussian-curvature differential geometry `function` mi Κ https://mathworld.wolfram.com/GaussianCurvature.html<br/>https://en.wikipedia.org/wiki/Gaussian_curvature<br/>https://www.encyclopediaofmath.org/index.php/Gaussian_curvature
gaussian-integers number theory `constant` mrow ℤ [i] https://mathworld.wolfram.com/GaussianInteger.html<br/>[https://en.wikipedia.org/wiki/Gaussian_integer](https://en.wikipedia.org/wiki/Gaussian_integer)<br/>https://en.wikipedia.org/wiki/Gaussian_prime
gegenbauer-polynomial orthogonal polynomials `indexed function` msubsup C $1 ($2) https://mathworld.wolfram.com/GegenbauerPolynomial.html<br/>https://en.wikipedia.org/wiki/Gegenbauer_polynomials<br/>https://www.encyclopediaofmath.org/index.php/Gegenbauer_polynomials[<br/>](https://dlmf.nist.gov/18.3#T1.t1.r3)[https://dlmf.nist.gov/18.3#T1.t1.r](https://dlmf.nist.gov/18.3#T1.t1.r3)3
gelfand-triple functional analysis `fenced` mrow ( $1, $2, $3 ) [https://en.wikipedia.org/wiki/Rigged_Hilbert_space#Formal_definition_(Gelfand_triple)](https://en.wikipedia.org/wiki/Rigged_Hilbert_space#Formal_definition_(Gelfand_triple))
gelfond-constant transcendental constants `constant` msup e π [https://mathworld.wolfram.com/GelfondsConstant.html](https://mathworld.wolfram.com/GelfondsConstant.html)<br/>https://en.wikipedia.org/wiki/Gelfond%27s_constant<br/>
gelfond-schneider-constant transcendental constants `constant` msup 2 msqrt 2 https://mathworld.wolfram.com/Gelfond-SchneiderConstant.html<br/>https://en.wikipedia.org/wiki/Gelfond%E2%80%93Schneider_constant
gell-mann-matrix particle physics `symbol` mi λ https://mathworld.wolfram.com/Gell-MannMatrix.html<br/>[https://en.wikipedia.org/wiki/Gell-Mann_matrices](https://en.wikipedia.org/wiki/Gell-Mann_matrices)<br/>https://www.encyclopediaofmath.org/index.php/Gell-Mann_matrices
general-linear-group group theory `function` mi GL<br/>mi Aut https://mathworld.wolfram.com/GeneralLinearGroup.html<br/>https://en.wikipedia.org/wiki/General_linear_group<br/>https://en.wikipedia.org/wiki/GL(n,C)<br/>https://ncatlab.org/nlab/show/general+linear+group<br/>https://www.encyclopediaofmath.org/index.php/General_linear_group
generalized-hypergeometric-function special functions `mmultiscripts` mmultiscripts F q none mprescripts p none https://mathworld.wolfram.com/GeneralizedHypergeometricFunction.html<br/>https://en.wikipedia.org/wiki/Generalized_hypergeometric_function<br/>https://dlmf.nist.gov/16.2#i<br/>https://dlmf.nist.gov/16.2#E1<br/>https://dlmf.nist.gov/16.5#p4<br/>https://dlmf.nist.gov/16.2#E1<br/>https://dlmf.nist.gov/16.5#p4<br/>https://dlmf.nist.gov/16.2#E1<br/>https://dlmf.nist.gov/16.5#p4<br/>https://dlmf.nist.gov/16.2#E1<br/>https://dlmf.nist.gov/16.5#p4
generalized-mean means `function` msub M $1 https://mathworld.wolfram.com/GeneralizedMean.html<br/>https://en.wikipedia.org/wiki/Generalized_mean<br/>https://en.wikipedia.org/wiki/Power_mean hoelder-mean, power-mean
genocchi-number integer sequences `symbol` msub G $1 https://mathworld.wolfram.com/GenocchiNumber.html<br/>https://en.wikipedia.org/wiki/Genocchi_number<br/>https://en.wikipedia.org/wiki/Genocchi_prime<br/>https://dlmf.nist.gov/24.15#i
geodesic-curvature riemannian geometry `symbol` msub k g https://mathworld.wolfram.com/GeodesicCurvature.html<br/>https://en.wikipedia.org/wiki/Geodesic_curvature<br/>https://www.encyclopediaofmath.org/index.php/Geodesic_curvature
geodesic-distance graph theory `function` mi d https://en.wikipedia.org/wiki/Distance_(graph_theory)<br/>https://en.wikipedia.org/wiki/Diameter_(graph_theory)<br/>https://en.wikipedia.org/wiki/Radius_(graph_theory)<br/>https://www.encyclopediaofmath.org/index.php/Geodesic_distance distance
geometric-genus algebraic geometry `function` msub p g https://mathworld.wolfram.com/GeometricGenus.html<br/>https://en.wikipedia.org/wiki/Geometric_genus<br/>https://www.encyclopediaofmath.org/index.php/Geometric_genus
geometric-integral calculus `indexed` mo Π [https://en.wikipedia.org/wiki/Product_integral](https://en.wikipedia.org/wiki/Product_integral)
geometric-mean means `function` mi GM https://mathworld.wolfram.com/GeometricMean.html<br/>https://en.wikipedia.org/wiki/Geometric_mean<br/>https://www.encyclopediaofmath.org/index.php/Geometric_mean
geometric-product geometric algebra `infix` mo invisible times [https://en.wikipedia.org/wiki/Geometric_algebra](https://en.wikipedia.org/wiki/Geometric_algebra)
germ topology `mixfix` mrow [ # 1 ] _ $2 https://en.wikipedia.org/wiki/Germ_(mathematics)<br/>https://ncatlab.org/nlab/show/germ<br/>https://www.encyclopediaofmath.org/index.php/Germ
glaisher-constant number theory `constant` mi A https://mathworld.wolfram.com/GlaisherConstant.html<br/>https://en.wikipedia.org/wiki/Glaisher%E2%80%93Kinkelin_constant<br/>https://dlmf.nist.gov/5.17#E6 glaisher-kinkelin-constant
global-dimension ring theory `function` mi gl dim [https://en.wikipedia.org/wiki/Global_dimension](https://en.wikipedia.org/wiki/Global_dimension) global-homological-dimension, homological-dimension
golden-ratio geometry `constant` mi φ<br/>mi ϕ https://mathworld.wolfram.com/GoldenRatio.html<br/>[https://en.wikipedia.org/wiki/Golden_ratio](https://en.wikipedia.org/wiki/Golden_ratio)<br/>https://en.wikipedia.org/wiki/List_of_works_designed_with_the_golden_ratio<br/>https://www.encyclopediaofmath.org/index.php/Golden_ratio golden-number, golden-mean, golden-section, medial-section, divine-proportion, divine-section, golden-proportion, golden-cut,
graham-number ramsey theory `constant` msub g 64 https://mathworld.wolfram.com/GrahamsNumber.html<br/>https://en.wikipedia.org/wiki/Graham%27s_number
gram-determinant linear algebra `function` mi G<br/>mi Γ [https://mathworld.wolfram.com/GramDeterminant.html](https://mathworld.wolfram.com/GramDeterminant.html)<br/>https://www.encyclopediaofmath.org/index.php/Gram_determinant
gram-matrix linear algebra `symbol` mi G https://mathworld.wolfram.com/GramMatrix.html<br/>https://en.wikipedia.org/wiki/Gramian_matrix<br/>https://www.encyclopediaofmath.org/index.php/Gram_matrix gramian-matrix, gramian
grassmannian differential geometry `function` mi Gr https://mathworld.wolfram.com/Grassmannian.html<br/>https://en.wikipedia.org/wiki/Grassmannian<br/>https://ncatlab.org/nlab/show/Grassmannian
green-function mathematical physics `function` mi G https://mathworld.wolfram.com/GreensFunction.html<br/>https://en.wikipedia.org/wiki/Green%27s_function_(many-body_theory)<br/>https://en.wikipedia.org/wiki/Green%27s_function<br/>https://en.wikipedia.org/wiki/Propagator<br/>https://www.encyclopediaofmath.org/index.php/Green_function
grobner-basis computer algebra `symbol` mi G https://mathworld.wolfram.com/GroebnerBasis.html<br/>https://en.wikipedia.org/wiki/Gr%C3%B6bner_basis<br/>https://www.encyclopediaofmath.org/index.php/Gröbner_basis
group-algebra ring theory `mixfix` mrow $1[$2]<br/>mrow $1$2 https://mathworld.wolfram.com/GroupAlgebra.html<br/>https://en.wikipedia.org/wiki/Group_algebra<br/>https://ncatlab.org/nlab/show/group+algebra<br/>https://www.encyclopediaofmath.org/index.php/Group_algebra
group-of-units ring theory `msup`<br/>`function` msup $1 *<br/>msup $1 ×<br/>mi U [https://en.wikipedia.org/wiki/Unit_(ring_theory)#Group_of_units<br/>https://ncatlab.org/nlab/show/group+of+units](https://ncatlab.org/nlab/show/group+of+units)
group-ring ring theory `mixfix`<br/>`infix` mrow $1 [ $2 ]<br/>mrow $1 $2 https://mathworld.wolfram.com/GroupRing.html<br/>https://en.wikipedia.org/wiki/Group_ring
gudermannian-function trigonometry `function` mi gd https://mathworld.wolfram.com/GudermannianFunction.html<br/>https://en.wikipedia.org/wiki/Gudermannian_function<br/>https://dlmf.nist.gov/4.23#E39 gudermannian
H hadamard-product algebra `infix` mo ∘<br/>mo ⊙ https://mathworld.wolfram.com/HadamardProduct.html<br/>https://en.wikipedia.org/wiki/Hadamard_product_(matrices) elementwise-product, entrywise-product,<br/>schur-product
hahn-polynomial orthogonal polynomials `function` msub q $1 https://mathworld.wolfram.com/HahnPolynomial.html<br/>https://en.wikipedia.org/wiki/Hahn_polynomials<br/>https://dlmf.nist.gov/18.19#T1.t1.r3
hamiltonian quantum mechanics `operator` mi H<br/>mover H ˇ<br/>mover H ^<br/>mrow < H > https://en.wikipedia.org/wiki/Hamiltonian_(quantum_mechanics)<br/>https://en.wikipedia.org/wiki/Hamiltonian_vector_field<br/>https://en.wikipedia.org/wiki/Hamiltonian_(control_theory)<br/>https://ncatlab.org/nlab/show/Hamiltonian<br/>https://www.encyclopediaofmath.org/index.php/Hamiltonian
hankel-function special functions `indexed function` mi H [https://mathworld.wolfram.com/HankelFunction.html](https://mathworld.wolfram.com/HankelFunction.html)<br/>https://dlmf.nist.gov/10.1<br/>https://www.encyclopediaofmath.org/index.php/Hankel_functions
hardy-class complex analysis `indexed symbol` msup H $1 https://en.wikipedia.org/wiki/Hardy_space<br/>https://www.encyclopediaofmath.org/index.php/Hardy_classes hardy-space
hardy-space complex analysis `mixfix` msup H p ($1) https://mathworld.wolfram.com/HardySpace.html<br/>[https://en.wikipedia.org/wiki/Hardy_space](https://en.wikipedia.org/wiki/Hardy_space)<br/>https://www.encyclopediaofmath.org/index.php/Hardy_spaces
hardy-littlewood-maximal-operator real analysis `operator` mi M [https://en.wikipedia.org/wiki/Hardy%E2%80%93Littlewood_maximal_function](https://en.wikipedia.org/wiki/Hardy%E2%80%93Littlewood_maximal_function) hardy-littlewood-maximal-function
harmonic-mean means `function` mi H https://mathworld.wolfram.com/HarmonicMean.html<br/>https://en.wikipedia.org/wiki/Harmonic_mean<br/>https://en.wikipedia.org/wiki/Subcontrary_mean subcontrary-mean
hausdorff-measure metric geometry `indexed function` msup H $1 https://mathworld.wolfram.com/HausdorffMeasure.html<br/>https://en.wikipedia.org/wiki/Hausdorff_measure
hausdorff-metric metric geometry `function` msub d H https://en.wikipedia.org/wiki/Hausdorff_distance<br/>https://ncatlab.org/nlab/show/Hausdorff+metric
hausdorff-space topology `constant` msub T 2 [https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions](https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions)s separated-space
hazard-function engineering `function` mi h [https://mathworld.wolfram.com/HazardFunction.html](https://mathworld.wolfram.com/HazardFunction.html) failure-rate
heaviside-function special functions `function` mi H [https://dlmf.nist.gov/1.16#E13<br/>](https://dlmf.nist.gov/1.16#E13)[https://en.wikipedia.org/wiki/Heaviside_step_function](https://en.wikipedia.org/wiki/Heaviside_step_function) heaviside-step-function,<br/>unit-step-function
heawood-number topological graph theory `function` mi H [https://en.wikipedia.org/wiki/Heawood_number](https://en.wikipedia.org/wiki/Heawood_number)
hecke-operator modular forms `operator` msub T $1 https://mathworld.wolfram.com/HeckeOperator.html<br/>https://en.wikipedia.org/wiki/Hecke_operator
height-function algebra `function` mi H<br/>mi h [https://en.wikipedia.org/wiki/Height_of_a_polynomial](https://en.wikipedia.org/wiki/Height_of_a_polynomial)
height-of-abelian-group group theory `function` msub h $1 [https://en.wikipedia.org/wiki/Height_(abelian_group)<br/>](https://en.wikipedia.org/wiki/Height_(abelian_group))
height-of-prime-ideal commutative algebra `function` mi ht [https://en.wikipedia.org/wiki/Krull_dimension#height](https://en.wikipedia.org/wiki/Krull_dimension#height) codimension-of-prime-ideal, rank-of-prime-ideal, altitude-of-prime-ideal
heisenberg-group group theory `symbol` mi H https://mathworld.wolfram.com/HeisenbergGroup.html<br/>https://en.wikipedia.org/wiki/Heisenberg_group<br/>https://ncatlab.org/nlab/show/Heisenberg+group
hermite-polynomial special functions `function` mi H<br/>mi He https://mathworld.wolfram.com/HermitePolynomial.html<br/>https://en.wikipedia.org/wiki/Hermite_polynomials<br/>[https://dlmf.nist.gov/18.3](https://dlmf.nist.gov/18.3)<br/>https://dlmf.nist.gov/18.3#T1.t1.r28<br/>https://dlmf.nist.gov/18.3#T1.t1.r29
hermitian-adjoint functional analysis `msup` msup †,<br/>msup * [https://en.wikipedia.org/wiki/Hermitian_adjoint](https://en.wikipedia.org/wiki/Hermitian_adjoint) adjoint-operator
hermitian-conjugate linear algebra `msup` msup H https://mathworld.wolfram.com/HermitianConjugate.html<br/>https://en.wikipedia.org/wiki/Conjugate_transpose adjoint-matrix
heronian-mean means `function` mi H https://mathworld.wolfram.com/HeronianMean.html<br/>https://en.wikipedia.org/wiki/Heronian_mean
hessian differential operators `operator` mi H https://mathworld.wolfram.com/Hessian.html<br/>https://en.wikipedia.org/wiki/Hessian_matrix<br/>https://ncatlab.org/nlab/show/Hessian hessian-matrix
heun-function special functions `function` mi Hf<br/>mi H⁢ℓ https://en.wikipedia.org/wiki/Heun_function<br/>https://dlmf.nist.gov/31.1<br/>https://dlmf.nist.gov/31.4#p1<br/>[https://dlmf.nist.gov/31.3#E1](https://dlmf.nist.gov/31.3#E1)
heun-polynomial special functions `function` mi Hp https://en.wikipedia.org/wiki/Heun_function<br/>https://dlmf.nist.gov/31.5#p1<br/>https://dlmf.nist.gov/31.5#E2
hexadecimal arithmetic `unit` mi hex<br/>msub $1 hex<br/>msub $1 16 https://mathworld.wolfram.com/Hexadecimal.html<br/>https://en.wikipedia.org/wiki/Hexadecimal
hilbert-symbol quadratic forms `fenced` mrow ( $1, $2 ) https://mathworld.wolfram.com/HilbertSymbol.html<br/>https://en.wikipedia.org/wiki/Hilbert_symbol
hilbert-schmidt-norm matrix norms `fenced` msub mrow $1 /mrow HS https://mathworld.wolfram.com/Hilbert-SchmidtNorm.html<br/>https://en.wikipedia.org/wiki/Hilbert%E2%80%93Schmidt_operator
hit-or-miss-transform mathematical morphology `infix` mo ⊙ [https://en.wikipedia.org/wiki/Hit-or-miss_transform](https://en.wikipedia.org/wiki/Hit-or-miss_transform)
hodge-star-operator differential geometry `prefix` mo ⋆ https://en.wikipedia.org/wiki/Hodge_dual<br/>[https://ncatlab.org/nlab/show/Hodge+star+operator](https://ncatlab.org/nlab/show/Hodge+star+operator)
holomorph group theory `function` mi Hol https://en.wikipedia.org/wiki/Holomorph_(mathematics)<br/>https://ncatlab.org/nlab/show/holomorph
holonomy-group differential geometry `indexed symbol` mi Hol https://mathworld.wolfram.com/Holonomy.html<br/>https://en.wikipedia.org/wiki/Holonomy<br/>https://ncatlab.org/nlab/show/holonomy
home-prime number theory `function` mi HP https://mathworld.wolfram.com/HomePrime.html<br/>https://en.wikipedia.org/wiki/Home_prime
homology-group homology theory `function` msub H $1 https://mathworld.wolfram.com/HomologyGroup.html<br/>https://en.wikipedia.org/wiki/Singular_homology
homomorphic-product graph theory `infix` mo ⋉ [https://en.wikipedia.org/wiki/Graph_product](https://en.wikipedia.org/wiki/Graph_product)
homotopy-category category theory `function` mi Ho [https://ncatlab.org/nlab/show/homotopy+category](https://ncatlab.org/nlab/show/homotopy+category)
horsepower-mechanical imperial unit `unit` mi hp [https://en.wikipedia.org/wiki/Horsepower<br/><br/><br/>](https://en.wikipedia.org/wiki/Horsepower) horsepower
horsepower-metric metric unit `unit` mi PS<br/>mi cv<br/>mi hk<br/>mi pk<br/>mi ks<br/>mi ch [<br/>https://en.wikipedia.org/wiki/Metric_horsepower<br/><br/>](https://en.wikipedia.org/wiki/Metric_horsepower) horsepower
hurwitz-zeta-function special functions `function` mi ζ https://mathworld.wolfram.com/HurwitzZetaFunction.html<br/>https://en.wikipedia.org/wiki/Hurwitz_zeta_function<br/>https://dlmf.nist.gov/25.11<br/>https://dlmf.nist.gov/25.11#E1
hvat customary units `unit` mi hvat https://en.wikipedia.org/wiki/Kubni_hvat<br/>https://en.wikipedia.org/wiki/%C4%8Cetvorni_hvat<br/>https://en.wikipedia.org/wiki/Hvat<br/>https://en.wikipedia.org/wiki/Kvadratni_hvat
hydrated-compound chemistry `infix` mo ⋅<br/>mo • [https://en.wikipedia.org/wiki/Hydrate<br/>](https://en.wikipedia.org/wiki/Hydrate)[https://en.wikipedia.org/wiki/Cobalt(II)_chloride<br/>](https://en.wikipedia.org/wiki/Cobalt(II)_chloride)[https://www.youtube.com/watch?v=PV_3WBTDyJc](https://www.youtube.com/watch?v=PV_3WBTDyJc)
hyperbolic-cosine-integral special functions `function` mi Chi [https://mathworld.wolfram.com/HyperbolicCosineIntegral.html](https://mathworld.wolfram.com/HyperbolicCosineIntegral.html)<br/>https://dlmf.nist.gov/6.2#E16<br/>
hyperbolic-plane non-euclidean geometry `symbol` msup ℍ 2 https://mathworld.wolfram.com/HyperbolicPlane.html<br/>https://ncatlab.org/nlab/show/hyperbolic+plane
hyperbolic-sine-integral special functions `function` mi Shi https://mathworld.wolfram.com/HyperbolicSineIntegral.html<br/>https://dlmf.nist.gov/6.2#E15<br/>
hyperbolic-space non-euclidean geometry `symbol` msupH$1 https://mathworld.wolfram.com/HyperbolicSpace.html<br/>https://en.wikipedia.org/wiki/Hyperbolic_space
hyperbolic-umbilic-canonical-integral-function special functions `function` mrow Ψ sup (E) https://dlmf.nist.gov/36.2#E11<br/>https://dlmf.nist.gov/36.3#i<br/>https://dlmf.nist.gov/36.3#ii
hyperdeterminant multilinear algebra `function`<br/>`fenced` mi det<br/>mrow $1 https://mathworld.wolfram.com/Hyperdeterminant.html<br/>https://en.wikipedia.org/wiki/Hyperdeterminant<br/>https://ncatlab.org/nlab/show/hyperdeterminant
hypertorus topology `indexed symbol` msupT$1 [https://en.wikipedia.org/wiki/Torus$n-dimensional_torus](https://en.wikipedia.org/wiki/Torus#n-dimensional_torus)s n-torus, n-dimensional-torus
I identity-element group theory `symbol` mi e<br/>mi I<br/>mi E<br/>mn 1 https://mathworld.wolfram.com/IdentityElement.html<br/>https://en.wikipedia.org/wiki/Identity_element<br/>https://ncatlab.org/nlab/show/identity+element identity, two-sided-identity
identity-function algebra `function` mi id<br/>msub id $1<br/>msub I $1 https://mathworld.wolfram.com/IdentityFunction.html<br/>https://en.wikipedia.org/wiki/Identity_function<br/>https://ncatlab.org/nlab/show/identity+function<br/> identity-map, identity-relation, identity-transformation
identity-functor category theory `function` msub 1 $1<br/>msubI$1<br/>msub Id $1 [https://ncatlab.org/nlab/show/identity+functor<br/>](https://ncatlab.org/nlab/show/identity+functor)[https://en.wikipedia.org/wiki/Functor](https://en.wikipedia.org/wiki/Functor)
identity-matrix linear algebra `symbol` mi I https://mathworld.wolfram.com/IdentityMatrix.html<br/>https://en.wikipedia.org/wiki/Identity_matrix unit-matrix
image set theory `mixfix` $1 [ $2 ]<br/>msub $1 *<br/>msup $1 →<br/>$1 ” $2 https://mathworld.wolfram.com/Image.html<br/>https://en.wikipedia.org/wiki/Image_(mathematics)<br/>https://en.wikipedia.org/wiki/Range_(mathematics)<br/>https://en.wikipedia.org/wiki/Image_(category_theory)<br/>https://en.wikipedia.org/wiki/Image<br/>https://ncatlab.org/nlab/show/image
incenter geometry `symbol` mi I https://mathworld.wolfram.com/Incenter.html<br/>[https://en.wikipedia.org/wiki/Incircle_and_excircles_of_a_triangle](https://en.wikipedia.org/wiki/Incircle_and_excircles_of_a_triangle)<br/>https://en.wikipedia.org/wiki/Gergonne_point<br/>https://en.wikipedia.org/wiki/Incentre
incidence-relation projective geometry `infix` mi I [https://en.wikipedia.org/wiki/Incidence_(geometry)](https://en.wikipedia.org/wiki/Incidence_(geometry))<br/>https://en.wikipedia.org/wiki/Incidence_(epidemiology)<br/>https://www.encyclopediaofmath.org/index.php/Incidence
incidence-structure incidence geometry `fenced` mrow ( $1, $2, $3 ) [https://en.wikipedia.org/wiki/Incidence_structure<br/>](https://en.wikipedia.org/wiki/Incidence_structure)
inclusion-map set theory `function` mi ι [https://en.wikipedia.org/wiki/Inclusion_map](https://en.wikipedia.org/wiki/Inclusion_map) inclusion-function, insertion, canonical-injection
incomparability order theory `infix` menclose notation=’updiagonalstrike’ munderover = > < [https://en.wikipedia.org/wiki/Comparability](https://en.wikipedia.org/wiki/Comparability) incomparable
incomplete-beta-function special functions `function` mi B https://mathworld.wolfram.com/IncompleteBetaFunction.html<br/>https://dlmf.nist.gov/8.17<br/>https://dlmf.nist.gov/8.17#E1<br/>https://dlmf.nist.gov/8.17#E2
incomplete-elliptic-integral-of-the-first-kind elliptic functions `function` mi F https://mathworld.wolfram.com/EllipticIntegral.html<br/>https://en.wikipedia.org/wiki/Elliptic_integral<br/>https://www.encyclopediaofmath.org/index.php/Elliptic_integral
incomplete-elliptic-integral-of-the-second-kind elliptic functions `function` mi E https://mathworld.wolfram.com/EllipticIntegral.html<br/>[https://en.wikipedia.org/wiki/Elliptic_integral](https://en.wikipedia.org/wiki/Elliptic_integral)<br/>https://www.encyclopediaofmath.org/index.php/Elliptic_integral
incomplete-gamma-function special functions `function` mi Γ https://mathworld.wolfram.com/IncompleteGammaFunction.html<br/>https://en.wikipedia.org/wiki/Incomplete_gamma_function<br/>https://en.wikipedia.org/wiki/Regularized_Gamma_function<br/>https://dlmf.nist.gov/8#PT2<br/>https://dlmf.nist.gov/8.2#E2<br/>https://dlmf.nist.gov/8.2#E1<br/>https://dlmf.nist.gov/8.2#E6
increase physics `postfix` mo ↑ [https://youtu.be/HZ7a9YkF204?t=4606](https://youtu.be/HZ7a9YkF204?t=4606)
increase-tends-to? calculus `infix` mo ↗ [https://math.stackexchange.com/questions/1886232/what-does-this-notation-mean-limes-from-left-right](https://math.stackexchange.com/questions/1886232/what-does-this-notation-mean-limes-from-left-right)<br/><br/>http://pi.math.cornell.edu/~web6720/MATH%206710%20notes.pdf
independent probability theory `infix` mo ⟂<br/>mo ⫫ [https://en.wikipedia.org/wiki/Independence_(probability_theory)](https://en.wikipedia.org/wiki/Independence_(probability_theory))<br/>https://en.wikipedia.org/wiki/Independence_(mathematical_logic)<br/>https://www.encyclopediaofmath.org/index.php/Independence
index-of-subgroup group theory `fenced` mrow [ $1 : $2 ]<br/>mrow ( $1 : $2 )<br/>mrow $1 : $2 [https://en.wikipedia.org/wiki/Index_of_a_subgroup<br/>](https://en.wikipedia.org/wiki/Index_of_a_subgroup)
index-of-lie-algebra lie algebra `function` mi ind [https://en.wikipedia.org/wiki/Index_of_a_Lie_algebra](https://en.wikipedia.org/wiki/Index_of_a_Lie_algebra)
infimum order theory `function`<br/>`largeop` mi inf<br/>mo ⋀ https://mathworld.wolfram.com/Infimum.html<br/>https://en.wikipedia.org/wiki/Infimum_and_supremum<br/> meet, greatest-lower-bound
infimum-limit limits `indexed` mi lim inf<br/>munder lim ¯ https://mathworld.wolfram.com/InfimumLimit.html<br/>https://en.wikipedia.org/wiki/Limit_superior_and_limit_inferior<br/> limit-inferior, limit-infimum, liminf, inferior-limit, lower-limit, inner-limit
infinite-product mathematical analysis `indexed` munderover Π $1∞ https://mathworld.wolfram.com/InfiniteProduct.html<br/>https://en.wikipedia.org/wiki/Infinite_product<br/>https://www.encyclopediaofmath.org/index.php/Infinite_product
infinitely-many-concurrently-active-copies formal languages `prefix` mo ! [https://arxiv.org/pdf/0903.3513.pdf](https://arxiv.org/pdf/0903.3513.pdf)
injection set theory `mixfix`<br/> mrow $1 : $2 ↣ $3 [https://en.wikipedia.org/wiki/Bijection#Definition](https://en.wikipedia.org/wiki/Bijection#Definition)
inner-automorphism-group abstract algebra `function` mi Inn https://mathworld.wolfram.com/InnerAutomorphism.html<br/>https://en.wikipedia.org/wiki/Inner_automorphism<br/>https://ncatlab.org/nlab/show/inner+automorphism<br/>https://www.encyclopediaofmath.org/index.php/Inner_automorphism inner-automorphism
inner-jordan-measure measure theory `function` msub m * https://mathworld.wolfram.com/JordanMeasure.html<br/>https://en.wikipedia.org/wiki/Jordan_measure<br/>https://www.encyclopediaofmath.org/index.php/Jordan_measure
inner-product linear algebra `infix`<br/>`fenced` mo ⋅<br/>mrow [ $1, $2 ] https://mathworld.wolfram.com/InnerProduct.html<br/>https://en.wikipedia.org/wiki/Dot_product<br/>https://en.wikipedia.org/wiki/Inner_product_space<br/>https://www.encyclopediaofmath.org/index.php/Inner_product[<br/>](https://mathoverflow.net/a/366118)[https://mathoverflow.net/a/36611](https://mathoverflow.net/a/366118)8
instantaneous-activity chemistry `mixfix` msub mrow { $1 } /mrow $2 [https://en.wikipedia.org/wiki/Reaction_quotient](https://en.wikipedia.org/wiki/Reaction_quotient)
integer-part number theory `function`<br/>`fenced` mi int<br/>[ $1 ] [https://mathworld.wolfram.com/IntegerPart.html<br/>](https://mathworld.wolfram.com/IntegerPart.html)[https://en.wikipedia.org/wiki/Floor_and_ceiling_functions](https://en.wikipedia.org/wiki/Floor_and_ceiling_functions)
interior topology `msup` msup $1 o<br/>msup $1 ∘ https://mathworld.wolfram.com/Interior.html<br/>https://en.wikipedia.org/wiki/Interior_(topology)<br/>https://ncatlab.org/nlab/show/interior<br/>https://www.encyclopediaofmath.org/index.php/Interior
interior-product differential forms `infix`<br/>`indexed function` mo ⨼<br/>msub ι $1 https://mathworld.wolfram.com/InteriorProduct.html<br/>https://en.wikipedia.org/wiki/Interior_product
intersection-number algebraic geometry `infix` mo ⋅<br/> [https://en.wikipedia.org/wiki/Intersection_number](https://en.wikipedia.org/wiki/Intersection_number)<br/>
inverse-image set theory `mixfix` mrow msup $1 -1 /msup [ $2 ] https://en.wikipedia.org/wiki/Image_(mathematics)<br/>https://ncatlab.org/nlab/show/inverse+image preimage
inverse-limit category theory `prefix` munder lim ← https://mathworld.wolfram.com/InverseLimit.html<br/>https://en.wikipedia.org/wiki/Inverse_limit<br/>https://ncatlab.org/nlab/show/inverse+limit projective limit
inverse-moment-of-function mathematics <br/>`msub`<br/>`mixfix` msub μ mrow - $1 /mrow<br/>mrow E [ msup $1 mrow - $2 /mrow ] [https://en.wikipedia.org/wiki/Moment_(mathematics)](https://en.wikipedia.org/wiki/Moment_(mathematics)) inverse-moment
inverse-tangent-integral special functions `indexed function` msub Ti $1 [https://en.wikipedia.org/wiki/Polylogarithm](https://en.wikipedia.org/wiki/Polylogarithm)
inverse-wishart-distribution probability theory `symbol` msubsup W p -1 https://mathworld.wolfram.com/WishartDistribution.html<br/>[https://en.wikipedia.org/wiki/Wishart_distribution](https://en.wikipedia.org/wiki/Wishart_distribution)<br/>https://www.encyclopediaofmath.org/index.php/Wishart_distribution
ionic-charge chemistry `msup` msup $1 $2<br/> [https://en.wikipedia.org/wiki/Ion#Chemistry](https://en.wikipedia.org/wiki/Ion#Chemistry)
isogonal-conjugate geometry `msup` msup $1 -1 https://mathworld.wolfram.com/IsogonalConjugate.html<br/>https://en.wikipedia.org/wiki/Isogonal_conjugate
isomorphism set theory `infix` mover ↦ ∼<br/>mo ≅ https://mathworld.wolfram.com/Isomorphism.html<br/>https://en.wikipedia.org/wiki/Isomorphism<br/>https://ncatlab.org/nlab/show/isomorphism<br/>https://www.encyclopediaofmath.org/index.php/Isomorphism natural-isomorphism
isotropy-group group theory `msub` msub $1 $2 https://mathworld.wolfram.com/IsotropyGroup.html<br/>https://www.encyclopediaofmath.org/index.php/Isotropy_group little-group, stabilizer-subgroup
iverson-bracket set theory `fenced` [ $1 ] [https://en.wikipedia.org/wiki/Iverson_bracket](https://en.wikipedia.org/wiki/Iverson_bracket)
J j-invariant number theory `function` mi j https://mathworld.wolfram.com/j-Invariant.html<br/>https://ncatlab.org/nlab/show/j-invariant
jacobi-matrix operator theory `function` mi J https://mathworld.wolfram.com/JacobiMatrix.html<br/>https://en.wikipedia.org/wiki/Jacobi_operator<br/>https://www.encyclopediaofmath.org/index.php/Jacobi_matrix jacobi-operator
jacobi-polynomial orthogonal polynomials `function` msubsup P https://mathworld.wolfram.com/JacobiPolynomial.html<br/>https://en.wikipedia.org/wiki/Heckman%E2%80%93Opdam_polynomials<br/>https://en.wikipedia.org/wiki/Jacobi_polynomials<br/>https://dlmf.nist.gov/18.3<br/>https://dlmf.nist.gov/18.3#T1.t1.r3<br/>https://www.encyclopediaofmath.org/index.php/Jacobi_polynomials
jacobi-symbol number theory `mixfix` mrow ( $1 $2 ) https://mathworld.wolfram.com/JacobiSymbol.html<br/>https://en.wikipedia.org/wiki/Jacobi_symbol<br/>https://dlmf.nist.gov/27.9#p3<br/>https://www.encyclopediaofmath.org/index.php/Jacobi_symbol
jacobi-theta-function special-functions `function` mi ϑ https://mathworld.wolfram.com/JacobiThetaFunctions.html<br/>https://en.wikipedia.org/wiki/Jacobi_theta_functions_(notational_variations)
jacobi-zeta-function special-functions `function` mrow Z⁡ ( $1 $2 ) https://mathworld.wolfram.com/JacobiZetaFunction.html<br/>https://en.wikipedia.org/wiki/Jacobi_zeta_function<br/>[https://dlmf.nist.gov/22.16#iii](https://dlmf.nist.gov/22.16#iii)<br/>https://dlmf.nist.gov/22.16#E32
jacobian-elliptic-function special-functions `function` mi sn<br/>mi cn<br/>mi dn<br/>mi sd<br/>mi cd<br/>mi sc https://dlmf.nist.gov/22.2<br/>[https://dlmf.nist.gov/22.2#E4<br/>https://dlmf.nist.gov/22.2#E5<br/>https://dlmf.nist.gov/22.2#E6<br/>https://dlmf.nist.gov/22.2#E7<br/>https://dlmf.nist.gov/22.2#E8](https://dlmf.nist.gov/22.2#E4)<br/>https://dlmf.nist.gov/22.2#E9<br/><br/>
jacobson-radical ring theory `function` mi J<br/>mi rad https://mathworld.wolfram.com/JacobsonRadical.html<br/>https://en.wikipedia.org/wiki/Jacobson_radical<br/>https://ncatlab.org/nlab/show/Jacobson+radical<br/>https://www.encyclopediaofmath.org/index.php/Jacobson_radical
jacobsthal-number number theory `symbol` mi J https://mathworld.wolfram.com/JacobsthalNumber.html<br/>https://en.wikipedia.org/wiki/Jacobsthal_number<br/>
janko-group group theory `symbol` msub J 1<br/>msub J 2<br/>msub J 3<br/>msub J 4 https://mathworld.wolfram.com/JankoGroups.html<br/>https://en.wikipedia.org/wiki/Janko_group
jet differential geometry `function` msubsup J [https://en.wikipedia.org/wiki/Jet_(mathematics)](https://en.wikipedia.org/wiki/Jet_(mathematics))<br/>https://www.encyclopediaofmath.org/index.php/Jet
join measure theory `indexed` mo ⋁ https://mathworld.wolfram.com/Join.html<br/>https://en.wikipedia.org/wiki/Join_(sigma_algebra)<br/>https://en.wikipedia.org/wiki/Join_(topology)<br/>https://ncatlab.org/nlab/show/join<br/>https://www.encyclopediaofmath.org/index.php/Join
jone-polynomial knot theory `function` mi V https://mathworld.wolfram.com/JonesPolynomial.html<br/>https://en.wikipedia.org/wiki/Jones_polynomial<br/>https://ncatlab.org/nlab/show/Jones+polynomial
jordan-block linear algebra `indexed symbol` msub J mrow $1, $2 https://mathworld.wolfram.com/JordanBlock.html<br/>https://en.wikipedia.org/wiki/Jordan_matrix jordan-matrix
jordan-measure measure theory `function` mi m https://mathworld.wolfram.com/JordanMeasure.html<br/>[https://en.wikipedia.org/wiki/Jordan_measure](https://en.wikipedia.org/wiki/Jordan_measure)<br/>https://www.encyclopediaofmath.org/index.php/Jordan_measure
jordan-totient-function number theory `function` msub J $1 [https://en.wikipedia.org/wiki/Jordan%27s_totient_function](https://en.wikipedia.org/wiki/Jordan%27s_totient_function)
julia-set complex dynamics `function` mi J https://mathworld.wolfram.com/JuliaSet.html<br/>https://en.wikipedia.org/wiki/Julia_set<br/>https://www.encyclopediaofmath.org/index.php/Julia_set
K kaprekar-constant number theory `symbol` mn 6174 https://mathworld.wolfram.com/KaprekarConstant.html<br/>https://en.wikipedia.org/wiki/6174_(number) kaprekar-number
kauffman-bracket knot theory `fenced` mrow ⟨ $1 ⟩ [https://en.wikipedia.org/wiki/Bracket_polynomial](https://en.wikipedia.org/wiki/Bracket_polynomial) bracket-polynomial
kelvin-function special functions `function` msub ber ν⁡<br/>msub bei ν⁡ https://mathworld.wolfram.com/KelvinFunctions.html<br/>https://en.wikipedia.org/wiki/Kelvin_functions<br/>https://dlmf.nist.gov/10#PT5<br/>https://dlmf.nist.gov/10.61#E1<br/>https://dlmf.nist.gov/10.61#E1<br/>https://dlmf.nist.gov/10.61#E2<br/>https://dlmf.nist.gov/10.61#E2<br/>https://www.encyclopediaofmath.org/index.php/Kelvin_functions
kernel linear algebra `function` mi ker https://mathworld.wolfram.com/Kernel.html<br/>https://en.wikipedia.org/wiki/Kernel_(algebra)<br/>https://en.wikipedia.org/wiki/Kernel_(set_theory)<br/>https://en.wikipedia.org/wiki/Sunflower_(mathematics)<br/>https://en.wikipedia.org/wiki/Kernel_(linear_algebra)<br/>https://en.wikipedia.org/wiki/Kernel_(category_theory)<br/>https://en.wikipedia.org/wiki/Kernel_(statistics)<br/>https://en.wikipedia.org/wiki/Covariance_function<br/>https://ncatlab.org/nlab/show/kernel nullspace, null-space
khinchin-constant continued fractions `constant` mi K<br/>msub K 0 https://mathworld.wolfram.com/KhinchinsConstant.html<br/>https://en.wikipedia.org/wiki/Khinchin%27s_constant
killing-form lie algebra `function` mi B https://mathworld.wolfram.com/KillingForm.html<br/>https://en.wikipedia.org/wiki/Killing_form<br/>https://ncatlab.org/nlab/show/Killing+form<br/>https://www.encyclopediaofmath.org/index.php/Killing_form
kleene-star formal languages `msup` msup * [https://en.wikipedia.org/wiki/Kleene_star](https://en.wikipedia.org/wiki/Kleene_star)
kleene-plus formal languages `msup` msup + [https://en.wikipedia.org/wiki/Kleene_star](https://en.wikipedia.org/wiki/Kleene_star)
klein-four-group group theory `symbol` mi V<br/>msub K 4 https://mathworld.wolfram.com/KleinFour-Group.html<br/>https://en.wikipedia.org/wiki/Klein_four-group
kloosterman-sum analytic number theory `function` mi S<br/>mi K https://mathworld.wolfram.com/KloostermansSum.html<br/>[https://en.wikipedia.org/wiki/Kloosterman_sum](https://en.wikipedia.org/wiki/Kloosterman_sum)
kneser-graph graph theory `indexed symbol` mrow K ( $1, $2 )<br/>msub mi KG /mi $1, $2 https://mathworld.wolfram.com/KneserGraph.html<br/>[https://en.wikipedia.org/wiki/Kneser_graph](https://en.wikipedia.org/wiki/Kneser_graph)
knodel-number number theory `indexed symbol` mi K https://mathworld.wolfram.com/KnoedelNumbers.html<br/>https://en.wikipedia.org/wiki/Kn%C3%B6del_number
kodaira-dimension algebraic geometry `function` mi κ https://en.wikipedia.org/wiki/Kodaira_dimension<br/>https://www.encyclopediaofmath.org/index.php/Kodaira_dimension
kolmogorov-complexity information theory `function` mi K https://mathworld.wolfram.com/KolmogorovComplexity.html<br/>https://en.wikipedia.org/wiki/Kolmogorov_complexity
kolmogorov-space topology `constant` msub T 0 [https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions](https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions)s
kontsevich-integral knot theory `function` mi Z https://mathworld.wolfram.com/KontsevichIntegral.html<br/>https://en.wikipedia.org/wiki/Kontsevich_invariant<br/>https://ncatlab.org/nlab/show/Kontsevich+integral<br/>https://www.encyclopediaofmath.org/index.php/Kontsevich_integral
krawtchouk-polynomial orthogonal polynomials `function` msub K $1 https://mathworld.wolfram.com/KrawtchoukPolynomial.html<br/>https://en.wikipedia.org/wiki/Kravchuk_polynomials<br/>https://dlmf.nist.gov/18.19#T1.t1.r6<br/>https://www.encyclopediaofmath.org/index.php/Krawtchouk_polynomials
kripke-frame modal logic `fenced` mrow ⟨ $1, $2 ⟩ [https://ncatlab.org/nlab/show/Kripke+frame](https://ncatlab.org/nlab/show/Kripke+frame)
kronecker-delta special functions `indexed function` msub δ mrow $1 $2 \mrow https://mathworld.wolfram.com/KroneckerDelta.html<br/>[https://en.wikipedia.org/wiki/Kronecker_delta](https://en.wikipedia.org/wiki/Kronecker_delta)<br/>https://dlmf.nist.gov/front/introduction#Sx4.p1.t1.r4<br/>https://ncatlab.org/nlab/show/Kronecker+delta
kronecker-product matrix theory `infix` mo ⊗ https://mathworld.wolfram.com/KroneckerProduct.html<br/>https://en.wikipedia.org/wiki/Khatri-Rao_product<br/>https://en.wikipedia.org/wiki/Kronecker_product<br/>https://en.wikipedia.org/wiki/Tracy-Singh_product<br/>https://www.encyclopediaofmath.org/index.php/Kronecker_product
kronecker-symbol number theory `fenced`<br/>`fenced stacked` mrow ( $1 $2 )<br/>( mfrac $1 $2 ) https://mathworld.wolfram.com/KroneckerSymbol.html<br/>https://en.wikipedia.org/wiki/Kronecker_symbol<br/>https://www.encyclopediaofmath.org/index.php/Kronecker_symbol
krull-dimension commutative algebra `function` mi dim https://mathworld.wolfram.com/KrullDimension.html<br/>https://en.wikipedia.org/wiki/Krull_dimension<br/>[https://en.wikipedia.org/wiki/Height_(ring_theory)](https://en.wikipedia.org/wiki/Height_(ring_theory))
kulkarni-nomizu-product differential geometry `embellished infix` mo ∧ /mo mspace=”negative…”/mspace mo ◯ /mo [https://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_product](https://en.wikipedia.org/wiki/Kulkarni%E2%80%93Nomizu_product)
kullback-leibler-distance mathematical statistics `function` mi KL<br/>msub D KL [http://users.monash.edu/~lloyd/tildeMML/KL/<br/>](http://users.monash.edu/~lloyd/tildeMML/KL/)[https://en.wikipedia.org/wiki/Kullback%E2%80%93Leibler_divergence](https://en.wikipedia.org/wiki/Kullback%E2%80%93Leibler_divergence) kl-distance, kl-divergence, kullback-leibler-divergence<br/>relative-entropy
L lagrange-bracket classical mechanics `indexed fenced` msub<br/>mrow [ $1, $2] /mrow<br/>mrow $3, $4 /mrow https://mathworld.wolfram.com/LagrangeBracket.html<br/>https://en.wikipedia.org/wiki/Lagrange_bracket<br/>https://www.encyclopediaofmath.org/index.php/Lagrange_bracket
lagrange-multiplier mathematical optimization `symbol` mi λ https://mathworld.wolfram.com/LagrangeMultiplier.html<br/>https://en.wikipedia.org/wiki/Lagrange_multiplier<br/>[https://ncatlab.org/nlab/show/Lagrange+multiplier](https://ncatlab.org/nlab/show/Lagrange+multiplier)<br/>https://www.encyclopediaofmath.org/index.php/Lagrange_multipliers lagrangian
lagrange-point celestial mechanics `symbol` msub L 1<br/>msub L 2<br/>msub L 3<br/>msub L 4<br/>msub L 5 [https://en.wikipedia.org/wiki/Lagrange_point](https://en.wikipedia.org/wiki/Lagrange_point) lagrangian-point, l-point, libration-point
laguerre-polynomial orthogonal polynomials `indexed function` mi L https://mathworld.wolfram.com/LaguerrePolynomial.html<br/>https://en.wikipedia.org/wiki/Laguerre_polynomials<br/>https://dlmf.nist.gov/18.3<br/>https://dlmf.nist.gov/18.1#I1.ix7.p1<br/>https://dlmf.nist.gov/18.3#T1.t1.r27<br/>https://www.encyclopediaofmath.org/index.php/Laguerre_polynomials
landau-constant complex analysis `constant` mi A<br/>mi B<br/>mi L https://mathworld.wolfram.com/LandauConstant.html<br/>https://en.wikipedia.org/wiki/Landau%27s_constants
laplace-operator differential operators <br/>embellished operator<br/> msup ∇ 2<br/>mrow ∇ · ∇<br/>mi Δ https://en.wikipedia.org/wiki/Laplace_operator<br/>https://ncatlab.org/nlab/show/Laplace+operator<br/>https://www.encyclopediaofmath.org/index.php/Laplace_operator
laplace-transform integral transforms `operator` mi ℒ⁡ https://mathworld.wolfram.com/LaplaceTransform.html<br/>https://en.wikipedia.org/wiki/Laplace_transform<br/>https://dlmf.nist.gov/1.14#E17<br/>https://www.encyclopediaofmath.org/index.php/Laplace_transform
laplacian-matrix graph theory `symbol` mi L https://mathworld.wolfram.com/LaplacianMatrix.html<br/>https://en.wikipedia.org/wiki/Laplacian_matrix
latin-rectangle combinatorial mathematics `mtable` mtable https://mathworld.wolfram.com/LatinRectangle.html<br/>https://en.wikipedia.org/wiki/Latin_rectangle<br/>https://www.encyclopediaofmath.org/index.php/Latin_rectangle
latin-square combinatorial mathematics `mtable` mtable https://mathworld.wolfram.com/LatinSquare.html<br/>https://en.wikipedia.org/wiki/Latin_square<br/>https://en.wikipedia.org/wiki/Small_Latin_squares_and_quasigroups<br/>https://ncatlab.org/nlab/show/Latin+square<br/>https://www.encyclopediaofmath.org/index.php/Latin_square
least-prime-factor number theory `function` mi lpf [https://mathworld.wolfram.com/LeastPrimeFactor.html](https://mathworld.wolfram.com/LeastPrimeFactor.html)
lebesgue-constant fourier series `indexed constant` msub L $1 https://mathworld.wolfram.com/LebesgueConstants.html<br/>https://en.wikipedia.org/wiki/Lebesgue_constant_(interpolation)<br/>https://dlmf.nist.gov/1.8#E8<br/>https://www.encyclopediaofmath.org/index.php/Lebesgue_constants
lebesgue-integral measure theory `indexed` mo ∫ https://mathworld.wolfram.com/LebesgueIntegral.html<br/>https://www.encyclopediaofmath.org/index.php/Lebesgue_integral
leech-lattice group theory `symbol` msub Λ 24 https://mathworld.wolfram.com/LeechLattice.html<br/>https://en.wikipedia.org/wiki/Leech_lattice<br/>https://ncatlab.org/nlab/show/Leech+lattice
left-adjoint category theory `infix` mo ⊣ [https://en.wikipedia.org/wiki/Adjoint_functors](https://en.wikipedia.org/wiki/Adjoint_functors)
left-composition algebra `infix` mo ; [https://en.wikipedia.org/wiki/Composition_of_relations](https://en.wikipedia.org/wiki/Composition_of_relations) left-compose
left-derivative calculus `operator` msub ∂ – [https://en.wikipedia.org/wiki/Left_and_right_derivative](https://en.wikipedia.org/wiki/Left_and_right_derivative)
legendre-chi-function special functions `indexed function` msub χ $1 [https://en.wikipedia.org/wiki/Legendre_chi_function<br/><br/>](https://en.wikipedia.org/wiki/Legendre_chi_function)[https://mathworld.wolfram.com/LegendresChi-Function.html](https://mathworld.wolfram.com/LegendresChi-Function.html)
legendre-polynomial orthogonal polynomials `function` msub P $1 https://mathworld.wolfram.com/LegendrePolynomial.html<br/>https://en.wikipedia.org/wiki/Legendre_polynomials<br/>https://dlmf.nist.gov/18.3<br/>https://dlmf.nist.gov/18.3#T1.t1.r25<br/>[https://ncatlab.org/nlab/show/Legendre+polynomial](https://ncatlab.org/nlab/show/Legendre+polynomial)
legendre-symbol number theory `fenced`<br/>`fenced stacked` mrow ( $1 $2 )<br/>mrow ( mfrac $1 $2 ) https://mathworld.wolfram.com/LegendreSymbol.html<br/>https://en.wikipedia.org/wiki/Legendre_symbol<br/>https://dlmf.nist.gov/27.9
lehmer-mean means `indexed function` msub L $1 https://mathworld.wolfram.com/LehmerMean.html<br/>https://en.wikipedia.org/wiki/Lehmer_mean
lehmer-number number theory `indexed function` msub U $1 https://mathworld.wolfram.com/LehmerNumber.html<br/>https://mathworld.wolfram.com/LehmersNumber.html<br/>https://en.wikipedia.org/wiki/Lehmer_number
level scales of measurement `function` msub L $1 https://en.wikipedia.org/wiki/Level_(logarithmic_quantity)<br/>https://en.wikipedia.org/wiki/Categorical_variable<br/>https://ncatlab.org/nlab/show/level
levi-civita-symbol combinatorics `indexed symbol` msub ϵ mrow $1$2$3 /mrow https://mathworld.wolfram.com/Levi-CivitaSymbol.html<br/>https://en.wikipedia.org/wiki/Levi-Civita_symbol<br/>https://dlmf.nist.gov/1.6#E14 permutation-symbol
levy-prokhorov-metric measure theory `function` mi π [https://en.wikipedia.org/wiki/L%C3%A9vy%E2%80%93Prokhorov_metric<br/><br/>](https://en.wikipedia.org/wiki/L%C3%A9vy%E2%80%93Prokhorov_metric)[https://encyclopediaofmath.org/wiki/L%C3%A9vy-Prokhorov_metric](https://encyclopediaofmath.org/wiki/L%C3%A9vy-Prokhorov_metric)
lexicographic-product graph theory `infix`<br/>`mixfix` mo ∙<br/>$1 [ $2 ] [https://en.wikipedia.org/wiki/Lexicographic_product_of_graphs](https://en.wikipedia.org/wiki/Lexicographic_product_of_graphs) graph-composition
lexicographic-order discrete mathematics `infix` mo < [https://en.wikipedia.org/wiki/Lexicographic_order](https://en.wikipedia.org/wiki/Lexicographic_order)<br/>[https://mathworld.wolfram.com/LexicographicOrder.html](https://mathworld.wolfram.com/LexicographicOrder.html)<br/>https://ncatlab.org/nlab/show/lexicographic+order dictionary-order
lie-derivative lie algebra `indexed operator` msub ℒ $1 https://mathworld.wolfram.com/LieDerivative.html<br/>[https://en.wikipedia.org/wiki/Lie_derivative](https://en.wikipedia.org/wiki/Lie_derivative)<br/>https://ncatlab.org/nlab/show/Lie+derivative
lie-superbracket lie algebra `fenced` mrow [ $1 , $2 ] [https://en.wikipedia.org/wiki/Lie_superalgebra](https://en.wikipedia.org/wiki/Lie_superalgebra) supercommutator
like-charge physics `infix` mo ⇈ [https://youtu.be/HZ7a9YkF204?t=4719](https://youtu.be/HZ7a9YkF204?t=4719)
line-graph graph theory `function` mi L https://mathworld.wolfram.com/LineGraph.html<br/>https://en.wikipedia.org/wiki/Line_graph<br/>
line-integral analysis `indexed` mo ∫ https://mathworld.wolfram.com/LineIntegral.html<br/>https://en.wikipedia.org/wiki/Line_integral<br/>https://ncatlab.org/nlab/show/line+integral curve-integral, path-integral, curvilinear-integral, contour-integral
linear-span linear algebra `function` mi span https://mathworld.wolfram.com/LinearSpan.html<br/>https://en.wikipedia.org/wiki/Linear_span span, linear-hull
link graph theory `function` mi Lk [https://mathworld.wolfram.com/Link.html<br/><br/><br/>](https://mathworld.wolfram.com/Link.html)
gunter-link units `unit` mi l.<br/>mi li.<br/>mi lnk. [https://en.wikipedia.org/wiki/Link_(unit)](https://en.wikipedia.org/wiki/Link_(unit))
liouville-constant number theory `constant` mi L [https://mathworld.wolfram.com/LiouvillesConstant.html<br/>](https://mathworld.wolfram.com/LiouvillesConstant.html) liouville-number
liouville-function number theory `function` mi λ https://mathworld.wolfram.com/LiouvilleFunction.html<br/>https://en.wikipedia.org/wiki/Liouville_function<br/>https://dlmf.nist.gov/27.2#E13
localization module theory `mixfix` msup $1 -1 /msup $2 https://mathworld.wolfram.com/Localization.html<br/>[https://en.wikipedia.org/wiki/Localization_(algebra)](https://en.wikipedia.org/wiki/Localization_(algebra))<br/>https://en.wikipedia.org/wiki/Localization_of_a_ring<br/>https://ncatlab.org/nlab/show/localization[<br/>](https://ncatlab.org/nlab/show/localization+of+a+module)[https://ncatlab.org/nlab/show/localization+of+a+modul](https://ncatlab.org/nlab/show/localization+of+a+module)e
logarithmic-integral special functions `function` mi li https://mathworld.wolfram.com/LogarithmicIntegral.html<br/>https://dlmf.nist.gov/6.2#i<br/>https://dlmf.nist.gov/6.2#E8
logarithmic-moment-of-function mathematics <br/><br/>`mixfix` E [ msup ln $1 /msup ( $2 ) ] [https://en.wikipedia.org/wiki/Moment_(mathematics)](https://en.wikipedia.org/wiki/Moment_(mathematics)) logarithmic-moment
logit statistics `function` mi logit [https://en.wikipedia.org/wiki/Logit](https://en.wikipedia.org/wiki/Logit)
lommel-function special functions `indexed function` msub S mrow $1,$2 /mrow<br/>msub s mrow $1, $2 /mrow https://mathworld.wolfram.com/LommelFunction.html<br/>https://en.wikipedia.org/wiki/Lommel_function<br/>[https://dlmf.nist.gov/11.9](https://dlmf.nist.gov/11.9)<br/>https://dlmf.nist.gov/11.9#E5<br/>https://dlmf.nist.gov/11.9#E3
long-division arithmetic `mfrac` mfrac? https://mathworld.wolfram.com/LongDivision.html<br/>https://en.wikipedia.org/wiki/Long_division
loop-space topology `function` mi Ω https://mathworld.wolfram.com/LoopSpace.html<br/>https://en.wikipedia.org/wiki/Loop_space<br/>https://ncatlab.org/nlab/show/loop+space
lower-closure-poset order theory `prefix` mo ↓ [https://en.wikipedia.org/wiki/Upper_set#Upper_closure_and_lower_closure](https://en.wikipedia.org/wiki/Upper_set#Upper_closure_and_lower_closure)
lower-darboux-integral real analysis `indexed` munder ¯ “https://mathworld.wolfram.com/DarbouxIntegral.html<br/>https://en.wikipedia.org/wiki/Darboux_integral<br/>https://www.encyclopediaofmath.org/index.php/Darboux_integral”
lower-dini-derivative analysis `decorated function` msubsup $1 - ’ https://mathworld.wolfram.com/DiniDerivative.html<br/>https://en.wikipedia.org/wiki/Dini_derivative<br/>https://www.encyclopediaofmath.org/index.php/Dini_derivative
lower-shadow combinatorics `function` mi 𝜕<br/>msub 𝜕 - [http://qk206.user.srcf.net/notes/combinatorics.pdf](http://qk206.user.srcf.net/notes/combinatorics.pdf) shadow
lucas-number integer sequences `indexed symbol` msub L $1 https://mathworld.wolfram.com/LucasNumber.html<br/>https://en.wikipedia.org/wiki/Lucas_number<br/>https://en.wikipedia.org/wiki/Lucas_prime<br/>
lucas-sequence integer sequences `indexed function` msub U $1<br/>msub V $1 https://mathworld.wolfram.com/LucasSequence.html<br/>https://en.wikipedia.org/wiki/Lucas_sequence
lyapunov-candidate-function stability theory `function` mi V https://mathworld.wolfram.com/LyapunovFunction.html<br/>https://en.wikipedia.org/wiki/Lyapunov_function<br/>https://www.encyclopediaofmath.org/index.php/Lyapunov_function lyapunov-function
M macdonald-polynomial orthogonal polynomials `function` msub P λ https://en.wikipedia.org/wiki/Macdonald_polynomials<br/>[https://ncatlab.org/nlab/show/Macdonald+polynomial](https://ncatlab.org/nlab/show/Macdonald+polynomial)
mahler-measure number theory `function` mi M https://mathworld.wolfram.com/MahlerMeasure.html<br/>https://en.wikipedia.org/wiki/Mahler_measure<br/>https://www.encyclopediaofmath.org/index.php/Mahler_measure
mangoldt-function special functions `function` mi Λ https://mathworld.wolfram.com/MangoldtFunction.html<br/>https://dlmf.nist.gov/27.2#E14<br/>https://www.encyclopediaofmath.org/index.php/Mangoldt_function von-mangoldt-function
mapping-class-group geometric topology `function` mi MCG https://en.wikipedia.org/wiki/Mapping_class_group<br/>https://ncatlab.org/nlab/show/mapping+class+group
mapping-cone homotopy theory `indexed symbol` msub C $1<br/>mrow C $1 [https://en.wikipedia.org/wiki/Mapping_cone_(topology)](https://en.wikipedia.org/wiki/Mapping_cone_(topology))<br/>https://en.wikipedia.org/wiki/Mapping_cone_(homological_algebra)<br/>https://ncatlab.org/nlab/show/mapping+cone homotopy-cofiber
matching-polynomial graph theory `indexed function` msub m $1<br/>msub M $1<br/>msub μ $1 [https://en.wikipedia.org/wiki/Matching_polynomial](https://en.wikipedia.org/wiki/Matching_polynomial)
mathieu-function-of-first-kind special functions `indexed function` msub ce $1<br/>msub se $1 https://mathworld.wolfram.com/MathieuFunction.html<br/>https://en.wikipedia.org/wiki/Mathieu_function<br/>https://dlmf.nist.gov/28#PT2<br/>https://dlmf.nist.gov/28#PT3<br/>https://dlmf.nist.gov/28.2#SS6.p1<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.12#SS2.p2<br/>https://dlmf.nist.gov/28.2#SS6.p1<br/>https://www.encyclopediaofmath.org/index.php/Mathieu_functions angular-mathieu-function, mathieu-function
mathieu-function-of-second-kind special functions `indexed function` msub fe $1<br/>msub ge $1 https://mathworld.wolfram.com/MathieuFunction.html<br/>https://en.wikipedia.org/wiki/Mathieu_function<br/>https://dlmf.nist.gov/28#PT2<br/>https://dlmf.nist.gov/28#PT3<br/>https://dlmf.nist.gov/28.2#SS6.p1<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.26#i<br/>https://dlmf.nist.gov/28.12#SS2.p2<br/>https://dlmf.nist.gov/28.2#SS6.p1<br/>https://www.encyclopediaofmath.org/index.php/Mathieu_functions angular-mathieu-function, mathieu-function
mathieu-group group theory `indexed symbol` msub M 11<br/>msub M 12<br/>msub M 22<br/>msub M 23<br/>msub M 24 https://mathworld.wolfram.com/MathieuGroups.html<br/>https://en.wikipedia.org/wiki/Multiply_transitive_group<br/>https://en.wikipedia.org/wiki/Mathieu_group<br/>https://en.wikipedia.org/wiki/Mathieu_group_M11<br/>https://en.wikipedia.org/wiki/Mathieu_group_M12<br/>https://en.wikipedia.org/wiki/Mathieu_group_M22<br/>https://en.wikipedia.org/wiki/Mathieu_group_M23<br/>https://en.wikipedia.org/wiki/Mathieu_group_M24<br/>https://ncatlab.org/nlab/show/Mathieu+group<br/>https://www.encyclopediaofmath.org/index.php/Mathieu_group
matrix algebra `mtable`<br/>`fenced` mtable<br/>mrow [ $1 ]<br/>mrow ( $1 ) https://mathworld.wolfram.com/Matrix.html<br/>https://mathworld.wolfram.com/SquareBracket.html<br/>https://en.wikipedia.org/wiki/Matrix_(mathematics)<br/>https://en.wikipedia.org/wiki/List_of_matrices<br/>https://en.wikipedia.org/wiki/Skew-symmetric_matrix<br/>https://en.wikipedia.org/wiki/Prenex_normal_form<br/>https://en.wikipedia.org/wiki/Matrix_isolation<br/>https://ncatlab.org/nlab/show/matrix<br/>[https://www.encyclopediaofmath.org/index.php/Matrix](https://www.encyclopediaofmath.org/index.php/Matrix)
matrix-ring abstract algebra `function` msub M $1 https://en.wikipedia.org/wiki/Matrix_ring<br/>https://www.encyclopediaofmath.org/index.php/Matrix_ring
maximum-degree graph theory `function` mi Δ https://mathworld.wolfram.com/MaximumDegree.html<br/>https://en.wikipedia.org/wiki/Degree_(graph_theory)<br/>https://en.wikipedia.org/wiki/Degree_sequence
mean-curvature differential geometry `function` mi H https://mathworld.wolfram.com/MeanCurvature.html<br/>https://en.wikipedia.org/wiki/Mean_curvature<br/>https://www.encyclopediaofmath.org/index.php/Mean_curvature
mean-squared-error statistics `function` mi MSE [https://en.wikipedia.org/wiki/Mean_squared_error](https://en.wikipedia.org/wiki/Mean_squared_error)
meixner-pollaczek-polynomial orthogonal polynomials `indexed function` mi P https://mathworld.wolfram.com/Meixner-PollaczekPolynomial.html<br/>https://en.wikipedia.org/wiki/Meixner%E2%80%93Pollaczek_polynomials<br/>https://dlmf.nist.gov/18.19#P3.p1
mellin-transform integral transforms `operator` mi ℳ https://mathworld.wolfram.com/MellinTransform.html<br/>https://en.wikipedia.org/wiki/Mellin_transform<br/>https://dlmf.nist.gov/1.14#E32<br/>https://www.encyclopediaofmath.org/index.php/Mellin_transform
meridian-radius-of-curvature geodesy `function` mi M [https://mathworld.wolfram.com/Meridian.html<br/>https://en.wikipedia.org/wiki/Meridian_arc](https://en.wikipedia.org/wiki/Meridian_arc)
meridian-distance geodesy `function` mi m [https://en.wikipedia.org/wiki/Meridian_arc<br/>https://mathworld.wolfram.com/Meridian.html](https://mathworld.wolfram.com/Meridian.html)
mersenne-number number theory `indexed symbol` msub M $1 [https://mathworld.wolfram.com/MersenneNumber.html](https://mathworld.wolfram.com/MersenneNumber.html)<br/>https://www.encyclopediaofmath.org/index.php/Mersenne_number<br/>
mersenne-prime number theory `indexed symbol` msub M $1 https://mathworld.wolfram.com/MersennePrime.html<br/>https://en.wikipedia.org/wiki/Mersenne_number<br/>https://en.wikipedia.org/wiki/Mersenne_prime
merten-function number theory `function` mi M https://mathworld.wolfram.com/MertensFunction.html<br/>https://en.wikipedia.org/wiki/Mertens_function<br/>
meson https://en.wikipedia.org/wiki/Meson<br/>https://en.wikipedia.org/wiki/List_of_mesons<br/>https://ncatlab.org/nlab/show/meson
metaplectic-group group theory `symbol` msub Mp 2n https://mathworld.wolfram.com/MetaplecticGroup.html<br/>https://en.wikipedia.org/wiki/Metaplectic_group<br/>https://ncatlab.org/nlab/show/metaplectic+group
mills-constant number theory `symbol` mi A https://mathworld.wolfram.com/MillsConstant.html<br/>https://en.wikipedia.org/wiki/Mills%27_constant<br/>https://en.wikipedia.org/wiki/Mills_prime
mills-ratio probability theory `function` mi m<br/>mi M https://mathworld.wolfram.com/MillsRatio.html<br/>https://en.wikipedia.org/wiki/Mills_ratio<br/>https://dlmf.nist.gov/7.8#E1
minimum-degree graph theory `function` mi δ<br/> https://mathworld.wolfram.com/MinimumDegree.html<br/>https://en.wikipedia.org/wiki/Degree_(graph_theory)<br/>https://en.wikipedia.org/wiki/Degree_sequence
minkowski-difference geometry `infix` mo - [https://en.wikipedia.org/wiki/Minkowski_addition](https://en.wikipedia.org/wiki/Minkowski_addition) geometric-difference
minkowski-sum geometry `infix` mo + https://mathworld.wolfram.com/MinkowskiSum.html<br/>https://en.wikipedia.org/wiki/Minkowski_addition dilation
mittag-leffler-function special functions `indexed function` msub E $1 https://mathworld.wolfram.com/Mittag-LefflerFunction.html<br/>https://en.wikipedia.org/wiki/Mittag-Leffler_function<br/>https://dlmf.nist.gov/10.46#E3<br/>https://www.encyclopediaofmath.org/index.php/Mittag-Leffler_function
mobius-function number theory `function` mi μ https://mathworld.wolfram.com/MoebiusFunction.html<br/>https://en.wikipedia.org/wiki/%CE%9C(n)<br/>https://en.wikipedia.org/wiki/M%C3%B6bius_function<br/>https://dlmf.nist.gov/27.2#E12<br/>https://www.encyclopediaofmath.org/index.php/Möbius_function
modified-bessel-function-of-first-kind special functions `function` msub I $1 https://dlmf.nist.gov/10#PT3<br/>https://dlmf.nist.gov/10.25#E2<br/>https://dlmf.nist.gov/10.25#E3
modified-bessel-function-of-second-kind special functions `function` msub K $1 https://dlmf.nist.gov/10#PT3<br/>https://dlmf.nist.gov/10.25#E2<br/>https://dlmf.nist.gov/10.25#E3
modified-mathieu-function special functions `function` msub Ce $1<br/>msub Se $1<br/>msub Me $1<br/>msub Fe $1<br/>msub Ge $1 https://dlmf.nist.gov/28#PT4<br/>https://dlmf.nist.gov/28.20#E3<br/>https://dlmf.nist.gov/28.20#E6<br/>https://dlmf.nist.gov/28.20#E7<br/>https://dlmf.nist.gov/28.20#E17<br/>https://dlmf.nist.gov/28.20#E18<br/>https://dlmf.nist.gov/28.20#E19<br/>https://dlmf.nist.gov/28.20#E20<br/>https://dlmf.nist.gov/28.20#SS3.p1<br/>https://dlmf.nist.gov/28.20#E5<br/>https://dlmf.nist.gov/28.20#E4
modified-spherical-bessel-function special functions `function` msubsup i $1 (1)<br/>msubsup i $1 (2)<br/>msub k $1 https://mathworld.wolfram.com/ModifiedSphericalBesselFunction.html<br/>https://dlmf.nist.gov/10.47#E7<br/>https://dlmf.nist.gov/10.47#E8<br/>https://dlmf.nist.gov/10.47#E9
modified-struve-function special functions `function` msub L $1 https://mathworld.wolfram.com/ModifiedStruveFunction.html<br/>https://dlmf.nist.gov/11.2#E2<br/>https://dlmf.nist.gov/11.2#E6
modular-discriminant special functions `operator` mi Δ<br/> [https://mathworld.wolfram.com/ModularDiscriminant.html<br/>](https://mathworld.wolfram.com/ModularDiscriminant.html)[https://en.wikipedia.org/wiki/Modular_form#The_modular_discriminant](https://en.wikipedia.org/wiki/Modular_form#The_modular_discriminant)
modulo modular arithmetic `infix`<br/>`mixfix` mo mod<br/>mrow $1 ( mod $2 ) https://mathworld.wolfram.com/Modulo.html<br/>https://en.wikipedia.org/wiki/Modulo_(jargon)<br/>[https://en.wikipedia.org/wiki/Modulo_operation](https://en.wikipedia.org/wiki/Modulo_operation)<br/>https://dlmf.nist.gov/front/introduction#Sx4.p2.t1.r10 mod
moebius-function number theory `function` mi μ https://www.encyclopediaofmath.org/index.php/Moebius_function[<br/>](https://en.wikipedia.org/wiki/M%C3%B6bius_function)[https://en.wikipedia.org/wiki/M%C3%B6bius_functio](https://en.wikipedia.org/wiki/M%C3%B6bius_function)n<br/>
moment-of-function mathematics <br/>`msub`<br/>`mixfix` msub μ $1<br/>mrow E [ msup $1 $2 ] [https://en.wikipedia.org/wiki/Moment_(mathematics)](https://en.wikipedia.org/wiki/Moment_(mathematics)) moment
moment mechanics `symbol` mi M https://mathworld.wolfram.com/Moment.html<br/>https://en.wikipedia.org/wiki/Moment_(mathematics)<br/>https://en.wikipedia.org/wiki/Torque<br/>https://ncatlab.org/nlab/show/moment<br/>https://www.encyclopediaofmath.org/index.php/Moment
moment-of-inertia physics `symbol` mi I https://mathworld.wolfram.com/MomentofInertia.html<br/>https://en.wikipedia.org/wiki/Moment_of_inertia<br/>https://ncatlab.org/nlab/show/moment+of+inertia mass-moment-of-inertia, angular-mass, rotational-inertia
momentum mechanics `symbol` mi p<br/>mip https://en.wikipedia.org/wiki/Momentum<br/>https://ncatlab.org/nlab/show/momentum linear-momentum, translational-momentum
monster-group group theory `symbol` mi M https://mathworld.wolfram.com/MonsterGroup.html<br/>https://en.wikipedia.org/wiki/Monster_group<br/>https://ncatlab.org/nlab/show/Monster+group friendly-giant
moore-penrose-inverse linear algebra `msup` msup $1 + [https://en.wikipedia.org/wiki/Moore%E2%80%93Penrose_inverse](https://en.wikipedia.org/wiki/Moore%E2%80%93Penrose_inverse) moore-penrose-pseudoinverse
moore-smith-sequence topology `fenced` mrow ( $1 ) https://en.wikipedia.org/wiki/Moore%E2%80%93Smith_limit<br/>https://en.wikipedia.org/wiki/Net_(mathematics) net
motzkin-number combinatorial analysis `indexed symbol` msub M $1<br/>mi M https://mathworld.wolfram.com/MotzkinNumber.html<br/>https://en.wikipedia.org/wiki/Motzkin_number<br/>https://en.wikipedia.org/wiki/Motzkin_prime<br/>https://dlmf.nist.gov/26.6#E2<br/>
multiple-integral multivariable calculus `indexed` mo ∫ ⋯ ∫<br/>mo ∫ https://mathworld.wolfram.com/MultipleIntegral.html<br/>https://en.wikipedia.org/wiki/%E2%88%AB%E2%88%ABf(x,y)dxdy<br/>https://en.wikipedia.org/wiki/Multiple_integral<br/>https://www.encyclopediaofmath.org/index.php/Multiple_integral
multiplicative-inverse abstract algebra `msup`<br/>`mixfix` msup $1 -1<br/>mrow 1 / $1 https://mathworld.wolfram.com/Inverse.html<br/>[https://en.wikipedia.org/wiki/Inverse_functio](https://en.wikipedia.org/wiki/Inverse_function)n<br/>https://en.wikipedia.org/wiki/Inverse_functions_and_differentiation<br/>https://ncatlab.org/nlab/show/inverse<br/>https://mathworld.wolfram.com/MultiplicativeInverse.html[<br/>](https://en.wikipedia.org/wiki/Multiplicative_inverse)[https://en.wikipedia.org/wiki/Multiplicative_invers](https://en.wikipedia.org/wiki/Multiplicative_inverse)e inverse
multiplicative-order modular arithmetic `indexed function` msub O $1<br/>msub ord $1 https://mathworld.wolfram.com/MultiplicativeOrder.html<br/>https://en.wikipedia.org/wiki/Multiplicative_order
multiplier-algebra functional analysis `function` mrow M($1) https://mathworld.wolfram.com/MultiplierAlgebra.html<br/>[https://en.wikipedia.org/wiki/Multiplier_algebra](https://en.wikipedia.org/wiki/Multiplier_algebra)<br/>https://ncatlab.org/nlab/show/multiplier+algebra
multichoose combinatorics `fenced-stacked` mrow ( mfrac $1 $2 ) [https://mathworld.wolfram.com/Multiset.html](https://mathworld.wolfram.com/Multiset.html)
multiset-coefficient combinatorics `fenced-stacked` mrow ( ( mfrac $1 $2 ) ) <br/>[https://en.wikipedia.org/wiki/Multiset](https://en.wikipedia.org/wiki/Multiset)<br/><br/> multiset-number
multivariate-gaussian-distribution probability theory `symbol` msub 𝒩 $1 [https://mathworld.wolfram.com/MultivariateNormalDistribution.html<br/>https://en.wikipedia.org/wiki/Multivariate_normal_distribution](https://en.wikipedia.org/wiki/Multivariate_normal_distribution) multivariate-normal-distribution, joint-normal-distribution
mutation abstract algebra `msup` msup $1 $2 https://mathworld.wolfram.com/Mutation.html<br/>https://en.wikipedia.org/wiki/Mutation_(knot_theory)<br/>https://en.wikipedia.org/wiki/Mutation_(Jordan_algebra)<br/>https://en.wikipedia.org/wiki/Hua%27s_identity_(Jordan_algebra)<br/>https://en.wikipedia.org/wiki/Mutation_(algebra)<br/>https://en.wikipedia.org/wiki/Mutation_(genetic_algorithm) homotope
mutual-information information theory `function` mi I https://mathworld.wolfram.com/MutualInformation.html<br/>https://en.wikipedia.org/wiki/Mutual_information
N narayana-number combinatorial analysis `function` mrow N ($1, $2) https://mathworld.wolfram.com/NarayanaNumber.html<br/>https://en.wikipedia.org/wiki/Narayana_number<br/>https://dlmf.nist.gov/26.6#E3
narrow-denjoy-integral calculus `indexed` mo ∫ https://mathworld.wolfram.com/DenjoyIntegral.html<br/>https://en.wikipedia.org/wiki/Henstock%E2%80%93Kurzweil_integral<br/>https://www.encyclopediaofmath.org/index.php/Denjoy_integral henstock-kurzweil-integral, luzin-integral, perron-integral
negative-binomial-distribution probability theory `symbol` mi NB https://mathworld.wolfram.com/NegativeBinomialDistribution.html<br/>https://en.wikipedia.org/wiki/Negative_binomial_distribution<br/>https://www.encyclopediaofmath.org/index.php/Negative_binomial_distribution
negative-hypergeometric-distribution probability theory `indexed symbol` mi NHG https://en.wikipedia.org/wiki/Negative_hypergeometric_distribution<br/>https://www.encyclopediaofmath.org/index.php/Negative_hypergeometric_distribution
neighbourhood graph theory `indexed function`<br/>`function` msub N $1 ( $2 )<br/>mrow N ( $1 ) [https://en.wikipedia.org/wiki/Neighbourhood_(graph_theory)<br/>](https://en.wikipedia.org/wiki/Neighbourhood_(graph_theory)) open-neighbourhood
neighbourhood-filter topology `function` mi 𝒩 [https://en.wikipedia.org/wiki/Neighbourhood_system](https://en.wikipedia.org/wiki/Neighbourhood_system) neighbourhood-system, complete-system-of-neighbourhoods
neron-severi-group group theory `function` mi NS https://mathworld.wolfram.com/Neron-SeveriGroup.html<br/>[https://encyclopediaofmath.org/wiki/N%C3%A9ron-Severi_group](https://encyclopediaofmath.org/wiki/N%C3%A9ron-Severi_group)
neron-tate-height number theory `symbol` mover h ^ [https://en.wikipedia.org/wiki/N%C3%A9ron%E2%80%93Tate_height](https://en.wikipedia.org/wiki/N%C3%A9ron%E2%80%93Tate_height) canonical-height
nerve category theory `function` mi N https://mathworld.wolfram.com/Nerve.html<br/>https://en.wikipedia.org/wiki/Nerve_(category_theory)<br/>https://ncatlab.org/nlab/show/nerve
nome special functions `function` mi q [https://mathworld.wolfram.com/Nome.html](https://mathworld.wolfram.com/Nome.html)<br/>https://en.wikipedia.org/wiki/Nome_(mathematics)
non-oriented-angle geometry `prefix` mo ∠ [https://en.wikipedia.org/wiki/Orientation_(vector_space)<br/>](https://en.wikipedia.org/wiki/Orientation_(vector_space))[https://en.wikipedia.org/wiki/Euclidean_space#Angle](https://en.wikipedia.org/wiki/Euclidean_space#Angle) angle
nor logic `infix` mo ↓ https://mathworld.wolfram.com/Nor.html<br/>https://mathworld.wolfram.com/NOR.html joint-denial
norm linear algebra `fenced` mrow ‖ $1 ‖<br/>mrow $1 https://mathworld.wolfram.com/Norm.html<br/>[https://en.wikipedia.org/wiki/Norm_(mathematics)](https://en.wikipedia.org/wiki/Norm_(mathematics))<br/>https://en.wikipedia.org/wiki/Norm_(abelian_group)<br/>https://ncatlab.org/nlab/show/norm<br/>https://www.encyclopediaofmath.org/index.php/Norm
normalizer group theory `function` msub N $1 https://mathworld.wolfram.com/Normalizer.html<br/>https://en.wikipedia.org/wiki/Centralizer_and_normalizer<br/>https://ncatlab.org/nlab/show/normalizer
not-divisible-by number theory `infix` mo ∤ [https://en.wikipedia.org/wiki/Divisor](https://en.wikipedia.org/wiki/Divisor)
null-graph graph theory `symbol` msub mover K ¯ /mover $1 https://mathworld.wolfram.com/NullGraph.html<br/>https://en.wikipedia.org/wiki/Null_graph<br/>https://en.wikipedia.org/wiki/Order-zero_graph edgeless-graph
numerical-part SI units `fenced` mrow { $1 } [https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-values](https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-values)
O object category theory `prefix` mi Obj https://mathworld.wolfram.com/Object.html<br/>https://en.wikipedia.org/wiki/Lattice-based_access_control<br/>https://ncatlab.org/nlab/show/object
octant euclidean solid geometry `fenced` mrow (±,±,±)<br/>mrow (,,+)<br/>mrow ($1, $2, $3) https://mathworld.wolfram.com/Octant.html<br/>https://en.wikipedia.org/wiki/Octant_(plane_geometry)<br/>https://en.wikipedia.org/wiki/Octant_(solid_geometry)<br/>https://www.encyclopediaofmath.org/index.php/Octant
octonions compositional algebra `symbol` mi 𝕆<br/>miO<br/>mi O https://mathworld.wolfram.com/Octonion.html<br/>https://en.wikipedia.org/wiki/Octonion<br/>https://ncatlab.org/nlab/show/octonion<br/>https://www.encyclopediaofmath.org/index.php/Octonion cayley-numbers
odds-ratio statistics `symbol` mi OR [https://en.wikipedia.org/wiki/Odds_ratio](https://en.wikipedia.org/wiki/Odds_ratio)
onsager-machlup-function functional analysis `function` mi L https://en.wikipedia.org/wiki/Onsager%E2%80%93Machlup_function<br/>https://www.encyclopediaofmath.org/index.php/Onsager-Machlup_function<br/>
open-ball topology `mixfix` mrow msub B $1 /msub ( $2 ) https://mathworld.wolfram.com/OpenBall.html<br/>https://en.wikipedia.org/wiki/Ball_(mathematics) open-metric-ball
open-interval algebra `fenced` mrow ( $1, $2 )<br/>mrow ] $1 , $2 [ https://mathworld.wolfram.com/OpenInterval.html<br/>https://dlmf.nist.gov/front/introduction#Sx4.p1.t1.r28
open-real-interval algebra `fenced` mrow ( $1 . . $2 ) [https://proofwiki.org/wiki/Definition:Real_Interval/Open](https://proofwiki.org/wiki/Definition:Real_Interval/Open)
opposite category theory,<br/>group theory `msup` msup $1 op https://en.wikipedia.org/wiki/Opposite_category<br/>https://ncatlab.org/nlab/show/opposite+category[<br/>](https://en.wikipedia.org/wiki/Opposite_group)[https://en.wikipedia.org/wiki/Opposite_grou](https://en.wikipedia.org/wiki/Opposite_group)p[<br/>https://en.wikipedia.org/wiki/Opposite_rin](https://en.wikipedia.org/wiki/Opposite_ring)g dual
opposite-charge physics `infix` mo ⇅ [https://youtu.be/HZ7a9YkF204?t=4657](https://youtu.be/HZ7a9YkF204?t=4657)
or-product graph theory `infix` mo * [https://en.wikipedia.org/wiki/Graph_product](https://en.wikipedia.org/w/index.php?title=Graph_product) disjunctive-product, co-normal-product
order-of-group group theory `function`<br/>`fenced` mi ord<br/>mrow $1 [https://en.wikipedia.org/wiki/Order_(group_theory)<br/>](https://en.wikipedia.org/wiki/Order_(group_theory))
orthocomplement lattice theory `msup` msup $1 ⊥ [https://en.wikipedia.org/wiki/Complemented_lattice](https://en.wikipedia.org/wiki/Complemented_lattice)
orthogonal geometry,<br/>algebra `infix` mo ⊥ https://mathworld.wolfram.com/Orthogonal.html<br/>[https://en.wikipedia.org/wiki/Orthogonal_functions<br/>](https://en.wikipedia.org/wiki/Orthogonal_functions)https://en.wikipedia.org/wiki/Orthogonality_(term_rewriting)<br/>https://en.wikipedia.org/wiki/Orthogonality<br/>https://ncatlab.org/nlab/show/orthogonality<br/>[https://www.encyclopediaofmath.org/index.php/Orthogonality](https://www.encyclopediaofmath.org/index.php/Orthogonality) perpendicular
orthogonal-group group theory `function` mi O https://mathworld.wolfram.com/OrthogonalGroup.html<br/>https://en.wikipedia.org/wiki/Orthogonal_group<br/>https://en.wikipedia.org/wiki/Special_orthogonal_Lie_algebra<br/>https://ncatlab.org/nlab/show/orthogonal+group<br/>https://www.encyclopediaofmath.org/index.php/Orthogonal_group
outer-automorphism-group abstract algebra `function` mi Out https://mathworld.wolfram.com/OuterAutomorphismGroup.html<br/>https://en.wikipedia.org/wiki/Outer_automorphism_group outer-automorphism
outer-jordan-measure measure theory `function` msup m * https://mathworld.wolfram.com/JordanMeasure.html<br/>https://en.wikipedia.org/wiki/Jordan_measure<br/>https://www.encyclopediaofmath.org/index.php/Jordan_measure
outer-product linear algebra `infix` mo ⊗ https://mathworld.wolfram.com/OuterProduct.html<br/>[https://en.wikipedia.org/wiki/Outer_product](https://en.wikipedia.org/wiki/Outer_product)<br/>https://en.wikipedia.org/wiki/Tensor_product
P p-core group theory `function` msub O p https://en.wikipedia.org/wiki/Core_(group)<br/>https://en.wikipedia.org/wiki/P-soluble_group<br/>https://en.wikipedia.org/wiki/P-core<br/>https://en.wikipedia.org/wiki/Upper_p-series
pade-approximant numerical analysis `mixfix` msub mrow [ $1 / $2 ] /mrow $3 [https://dlmf.nist.gov/3.11#SS4.p1](https://dlmf.nist.gov/3.11#SS4.p1)<br/>https://mathworld.wolfram.com/PadeApproximant.html<br/>https://en.wikipedia.org/wiki/Pad%C3%A9_approximant<br/>
padovan-sequence number theory `function` mi P https://mathworld.wolfram.com/PadovanSequence.html<br/>https://en.wikipedia.org/wiki/Padovan_sequence
paraboloidal-coordinate geometry `fenced` mrow ( $1, $2 , $3 ) https://mathworld.wolfram.com/ParaboloidalCoordinates.html<br/>https://en.wikipedia.org/wiki/Paraboloidal_coordinates<br/>https://www.encyclopediaofmath.org/index.php/Paraboloidal_coordinates
parallel geometry `infix` mo ∥ https://mathworld.wolfram.com/Parallel.html<br/>https://en.wikipedia.org/wiki/Parallel_(geometry)<br/>https://en.wikipedia.org/wiki/Parallel_curve
parallel-morphism category theory `embellished infix` <munderover><br/><mrow/><br/><munder><mo>⟶</mo> $1</munder><br/><mover><mo>⟶</mo> $2</mover><br/></munderover> [https://ncatlab.org/nlab/show/parallel+morphisms](https://ncatlab.org/nlab/show/parallel+morphisms)
partial-charge chemistry `symbol` msup δ $1<br/>mrow δ $1 [https://en.wikipedia.org/wiki/Partial_charge<br/>](https://en.wikipedia.org/wiki/Partial_charge)[https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_Chemistry_-_The_Central_Science_(Brown_et_al.)/08._Basic_Concepts_of_Chemical_Bonding/8.S%3A_Basic_Concepts_of_Chemical_Bonding_(Summary)](https://chem.libretexts.org/Bookshelves/General_Chemistry/Map%3A_Chemistry_-_The_Central_Science_(Brown_et_al.)/08._Basic_Concepts_of_Chemical_Bonding/8.S%3A_Basic_Concepts_of_Chemical_Bonding_(Summary)) delta-sign
partition number theory `infix` mo ⊢ [https://mathworld.wolfram.com/Partition.html](https://mathworld.wolfram.com/Partition.html)[<br/>](https://mathworld.wolfram.com/FrequencyRepresentation.html)https://en.wikipedia.org/wiki/Partition_(number_theory)<br/>https://en.wikipedia.org/wiki/List_of_partition_topics<br/>
partition-frequency-representation number theory `mixfix` mrow ( msup $1 $2 /msup msup $3 $4 /msup … ) [https://mathworld.wolfram.com/Partition.html<br/>https://mathworld.wolfram.com/FrequencyRepresentation.html](https://mathworld.wolfram.com/FrequencyRepresentation.html)
partition-function number theory `function` mi p [https://en.wikipedia.org/wiki/Partition_(number_theory)](https://en.wikipedia.org/wiki/Partition_(number_theory))
pauli-matrix mathematical physics `indexed symbol` msub σ $1 https://mathworld.wolfram.com/PauliMatrices.html<br/>https://mathworld.wolfram.com/PauliMatrix.html<br/>[https://en.wikipedia.org/wiki/Pauli_matrices](https://en.wikipedia.org/wiki/Pauli_matrices)<br/>https://www.encyclopediaofmath.org/index.php/Pauli_matrices
peclet-number fluid dynamics `indexed symbol` msub Pe $1 https://en.wikipedia.org/wiki/P%C3%A9clet_number<br/>https://www.encyclopediaofmath.org/index.php/Peclet_number<br/>https://www.encyclopediaofmath.org/index.php/Péclet_number
peirce-arrow logic `infix` mo ↓ [https://www.encyclopediaofmath.org/index.php/Peirce_arrow](https://www.encyclopediaofmath.org/index.php/Peirce_arrow)
pell-number number theory `symbol` msub P $1 https://mathworld.wolfram.com/PellNumber.html<br/>https://en.wikipedia.org/wiki/Pell_number<br/>
pell-luca-number number theory `symbol` msub Q $1 https://mathworld.wolfram.com/Pell-LucasNumber.html<br/>https://en.wikipedia.org/wiki/Pell_number<br/>
periodic-continued-fraction mathematical analysis `mfrac` mfrac with ellipses https://mathworld.wolfram.com/PeriodicContinuedFraction.html<br/>https://en.wikipedia.org/wiki/Periodic_continued_fraction
permanent linear algebra `function` mi perm https://mathworld.wolfram.com/Permanent.html<br/>https://en.wikipedia.org/wiki/Permanent<br/>https://www.encyclopediaofmath.org/index.php/Permanent
permutation combinatorics `fenced`<br/>`mtable`<br/>`mixfix` mrow ($1, … $n)<br/>mtable<br/>mrow (312)(54)(8)(976) https://mathworld.wolfram.com/Permutation.html<br/>https://en.wikipedia.org/wiki/Permutation<br/>https://en.wikipedia.org/wiki/Permutation_(music)<br/>https://ncatlab.org/nlab/show/permutation<br/>https://www.encyclopediaofmath.org/index.php/Permutation
perpendicular geometry `infix` mo ⟂ https://en.wikipedia.org/wiki/Perpendicular<br/>https://www.encyclopediaofmath.org/index.php/Perpendicular
perrin-sequence number theory `function` mi P https://mathworld.wolfram.com/PerrinNumber.html<br/>https://en.wikipedia.org/wiki/Perrin_number<br/>
pfaffian multilinear algebra `function` mi Pf<br/>mi pf https://mathworld.wolfram.com/Pfaffian.html<br/>https://en.wikipedia.org/wiki/Pfaffian<br/>https://ncatlab.org/nlab/show/Pfaffian<br/>https://ncatlab.org/nlab/show/Pfaffian<br/>https://www.encyclopediaofmath.org/index.php/Pfaffian
ph chemistry `symbol` mi pH [https://en.wikipedia.org/wiki/pH](https://en.wikipedia.org/wiki/PH) potential-of-hydrogen, power-of-hydrogen
phase physics `function` mi ϕ<br/>mi ph https://mathworld.wolfram.com/Phase.html<br/>https://en.wikipedia.org/wiki/Phase_(waves)<br/>https://dlmf.nist.gov/1.9#E7<br/>https://ncatlab.org/nlab/show/phase
phi-coefficient statistics `symbol` mi φ<br/>msub r φ [<br/>https://en.wikipedia.org/wiki/Phi_coefficient](https://en.wikipedia.org/wiki/Phi_coefficient) mean-square-contingency-coefficient
picard-group group theory `function` mi Pic https://mathworld.wolfram.com/PicardGroup.html<br/>https://en.wikipedia.org/wiki/Picard_group<br/>https://ncatlab.org/nlab/show/Picard+group<br/>https://www.encyclopediaofmath.org/index.php/Picard_group
planck-constant physics `constant` mi h<br/>mi ℎ [https://en.wikipedia.org/wiki/Planck_constant](https://en.wikipedia.org/wiki/Planck_constant)<br/>https://ncatlab.org/nlab/show/Planck’s+constant<br/>https://www.encyclopediaofmath.org/index.php/Planck_constant
plastic-constant geometry `constant` mi P<br/>mi p https://mathworld.wolfram.com/PlasticConstant.html<br/>https://en.wikipedia.org/wiki/Plastic_number plastic-number, platin-number, minimal-pisot-number, plastic-ratio, siegel-number, le-nombre-radiant
playing-card-suit game theory `unit` mo ♣<br/>mo ♠<br/>mo ♦<br/>mo ♥ [https://en.wikipedia.org/wiki/Playing_card_suit<br/>](https://en.wikipedia.org/wiki/Playing_card_suit)[https://en.wikipedia.org/wiki/Poker_probability](https://en.wikipedia.org/wiki/Poker_probability)
plethysm algebra `mixfix` mrow { $1 } ⊗ { $2 } https://mathworld.wolfram.com/Plethysm.html<br/>https://en.wikipedia.org/wiki/Plethysm<br/>https://ncatlab.org/nlab/show/plethysm
plucker-coordinate geometry `fenced` mrow ( $1 : $2 : … : $n ) https://mathworld.wolfram.com/PlueckerCoordinates.html<br/>https://en.wikipedia.org/wiki/Pl%C3%BCcker_coordinates<br/>https://www.encyclopediaofmath.org/index.php/Plücker_coordinates
pointwise-convergent convergence `postfix` mtext pointwise https://mathworld.wolfram.com/PointwiseConvergence.html<br/>https://en.wikipedia.org/wiki/Pointwise_convergence<br/>https://www.encyclopediaofmath.org/index.php/Pointwise_convergence
poisson-bracket classical mechanics `fenced` mrow { $1, $2 } https://mathworld.wolfram.com/PoissonBracket.html<br/>[https://en.wikipedia.org/wiki/Poisson_bracket](https://en.wikipedia.org/wiki/Poisson_bracket)<br/>https://www.encyclopediaofmath.org/index.php/Poisson_brackets
poisson-distribution probability theory `symbol` mi Pois https://mathworld.wolfram.com/PoissonDistribution.html<br/>https://en.wikipedia.org/wiki/Poisson_distribution<br/>https://en.wikipedia.org/wiki/Poisson_random_numbers<br/>https://www.encyclopediaofmath.org/index.php/Poisson_distribution
polar-set functional analysis `msup` msup $1 ° https://en.wikipedia.org/wiki/Polar_set<br/>https://en.wikipedia.org/wiki/Polar_set_(potential_theory)<br/>https://www.encyclopediaofmath.org/index.php/Polar_set
pollaczek-polynomial orthogonal polynomials `indexed function` msubsup P n (λ) https://mathworld.wolfram.com/PollaczekPolynomial.html<br/>https://en.wikipedia.org/wiki/Meixner%E2%80%93Pollaczek_polynomials<br/>https://dlmf.nist.gov/18.35#E4
polygamma-function special functions `indexed function` mi ψ https://mathworld.wolfram.com/PolygammaFunction.html<br/>[https://en.wikipedia.org/wiki/Polygamma_function](https://en.wikipedia.org/wiki/Polygamma_function)<br/>https://dlmf.nist.gov/5.15<br/>https://dlmf.nist.gov/5.15
polynomial-ring ring theory `mixfix` mrow $1 [ $2 ] [https://en.wikipedia.org/wiki/Polynomial_ring#Definition_(univariate_case)](https://en.wikipedia.org/wiki/Polynomial_ring#Definition_(univariate_case)) polynomial-algebra
polylogarithm special functions `indexed function` msub Li $1 https://mathworld.wolfram.com/Polylogarithm.html<br/>https://en.wikipedia.org/wiki/Polylogarithm<br/>https://dlmf.nist.gov/25.12#ii<br/>https://dlmf.nist.gov/25.12#E10<br/>https://ncatlab.org/nlab/show/polylogarithm
pontrjagin-dual harmonic analysis `mover` mover $1 ^ [https://ncatlab.org/nlab/show/Pontrjagin+dual<br/>](https://ncatlab.org/nlab/show/Pontrjagin+dual)[https://en.wikipedia.org/wiki/Pontryagin_duality#Definition](https://en.wikipedia.org/wiki/Pontryagin_duality#Definition)
pontryagin-class differential topology `indexed symbol` msub p $1 https://mathworld.wolfram.com/PontryaginClass.html<br/>[https://en.wikipedia.org/wiki/Pontryagin_class](https://en.wikipedia.org/wiki/Pontryagin_class)<br/>https://ncatlab.org/nlab/show/Pontryagin+class<br/>https://www.encyclopediaofmath.org/index.php/Pontryagin_class
positive-part elementary mathematics `msup`<br/>`msub` msup $1 +<br/>msub $1 + [https://mathworld.wolfram.com/PositiveElement.html](https://mathworld.wolfram.com/PositiveElement.html)<br/>[https://en.wikipedia.org/wiki/Positive_and_negative_parts](https://en.wikipedia.org/wiki/Positive_and_negative_parts)<br/>https://www.encyclopediaofmath.org/index.php/Positive_element
positivitiy-predicate predicative mathematics `prefix` mo ◊ [https://ncatlab.org/nlab/show/positive+element](https://ncatlab.org/nlab/show/positive+element)
post-canonical-system formal languages `fenced` mrow (A,I,R) https://en.wikipedia.org/wiki/Post_canonical_system<br/>https://en.wikipedia.org/wiki/Tag_system<br/>https://www.encyclopediaofmath.org/index.php/Post_canonical_system
power-set set theory `function`<br/>`msup` mi P<br/>mi 𝒫<br/>mi ℙ<br/>mi ℘<br/>msup 2 $1 https://mathworld.wolfram.com/PowerSet.html<br/>[https://en.wikipedia.org/wiki/Power_set](https://en.wikipedia.org/wiki/Power_set)<br/>[https://ncatlab.org/nlab/show/power+set](https://ncatlab.org/nlab/show/power+set)
preregular-space topology `constant` msub R 1 [https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions](https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions)s
present-value economics `symbol` mi PV<br/>mi v https://mathworld.wolfram.com/PresentValue.html<br/>https://en.wikipedia.org/wiki/Present_value
prime-constant number theory `symbol` mi P<br/>mi ρ https://mathworld.wolfram.com/PrimeConstant.html<br/>https://en.wikipedia.org/wiki/Prime_constant
prime-counting-function number theory `function` mi π [https://mathworld.wolfram.com/PrimeCountingFunction.html](https://mathworld.wolfram.com/PrimeCountingFunction.html)
prime-difference-function number theory `indexed function` mi d [https://mathworld.wolfram.com/PrimeDifferenceFunction.html](https://mathworld.wolfram.com/PrimeDifferenceFunction.html)
prime-gap number theory `indexed function` mi G<br/>mi g https://mathworld.wolfram.com/PrimeGaps.html<br/>https://en.wikipedia.org/wiki/Prime_gap
primorial number theory `postfix` mo # [https://mathworld.wolfram.com/Primorial.html](https://mathworld.wolfram.com/Primorial.html)<br/>[https://en.wikipedia.org/wiki/Primorial](https://en.wikipedia.org/wiki/Primorial)
principal-value complex analysis `function` mi Log [https://en.wikipedia.org/wiki/Complex_logarithm#Principal_value](https://en.wikipedia.org/wiki/Complex_logarithm#Principal_value)
probability-limit probability theory `indexed function` mi plim [https://en.wikipedia.org/wiki/Convergence_of_random_variables#Convergence_in_probability](https://en.wikipedia.org/wiki/Convergence_of_random_variables#Convergence_in_probability) convergence-in-probability
product-integral calculus `indexed` mo ∏ https://en.wikipedia.org/wiki/Continuous_product<br/>[https://en.wikipedia.org/wiki/Product_integral](https://en.wikipedia.org/wiki/Product_integral)<br/>https://www.encyclopediaofmath.org/index.php/Product_integral
product-measure measure theory `function` mrow $1 × $2 https://mathworld.wolfram.com/ProductMeasure.html<br/>[https://en.wikipedia.org/wiki/Product_measure](https://en.wikipedia.org/wiki/Product_measure)
projective-line projective geometry `function` mi P https://en.wikipedia.org/wiki/Projective_line<br/>https://ncatlab.org/nlab/show/projective+line
projective-space projective geometry `symbol` mi ℙ<br/>mi ℝ⁢ ℙ https://mathworld.wolfram.com/ProjectiveSpace.html<br/>https://en.wikipedia.org/wiki/Algebraic_geometry_of_projective_spaces<br/>https://en.wikipedia.org/wiki/Projective_space<br/>https://ncatlab.org/nlab/show/projective+space<br/>https://www.encyclopediaofmath.org/index.php/Projective_space real-projective-space
proper-subgroup group theory `infix` mo < [https://en.wikipedia.org/wiki/Subgroup](https://en.wikipedia.org/wiki/Subgroup)
proportional arithmetic `infix` mo ∝<br/>mo ~ https://mathworld.wolfram.com/Proportional.html<br/>https://en.wikipedia.org/wiki/Proportionality_(mathematics)<br/>https://en.wikipedia.org/wiki/Proportional_(fair_division) directly-proportional
prouhet-thue-morse-constant number theory `constant` mi τ [https://en.wikipedia.org/wiki/Prouhet%E2%80%93Thue%E2%80%93Morse_constant](https://en.wikipedia.org/wiki/Prouhet%E2%80%93Thue%E2%80%93Morse_constant)
prufer-group group theory `mixfix` mrow Z ( msup $1 ∞ /msup ) [https://en.wikipedia.org/wiki/Pr%C3%BCfer_group](https://en.wikipedia.org/wiki/Pr%C3%BCfer_group) quasicyclic-group
pseudovector vector calculus `mixfix` mrow (det $1) ($1 $2) https://mathworld.wolfram.com/Pseudovector.html<br/>https://en.wikipedia.org/wiki/Pseudovector axial-vector
pseudo-inner-product lie algebra `fenced` mrow ( $1, $2 ) [https://youtu.be/mJ8ZDdA10GY?t=870](https://youtu.be/mJ8ZDdA10GY?t=870)
pullback differential geometry `symbol` msup φ * [https://en.wikipedia.org/wiki/Pullback_(differential_geometry)<br/>](https://en.wikipedia.org/wiki/Pullback_(differential_geometry))
pushforward differential geometry `infix` mo * [https://youtu.be/mJ8ZDdA10GY?t=2555<br/>](https://youtu.be/mJ8ZDdA10GY?t=2555)[https://en.wikipedia.org/wiki/Pushforward_(differential)](https://en.wikipedia.org/wiki/Pushforward_(differential))
pythagoras-constant geometry `constant` msqrt 2 https://mathworld.wolfram.com/PythagorassConstant.html<br/>https://en.wikipedia.org/wiki/Sqrt(2)<br/>https://en.wikipedia.org/wiki/%E2%88%9A2<br/>https://en.wikipedia.org/wiki/Square_root_of_2 pythagoras-number
pythagorean-triple geometry `fenced` mrow ($1, $2, $3 ) https://mathworld.wolfram.com/PythagoreanTriple.html<br/>https://en.wikipedia.org/wiki/Pythagorean_triple<br/>
Q q-binomial-coefficient combinatorics `fenced-stacked` msub mrow [ stacked mfrac ] q [https://mathworld.wolfram.com/q-BinomialCoefficient.html](https://mathworld.wolfram.com/q-BinomialCoefficient.html)
qed mathematical symbols `symbol` mo □<br/>mo ∎ [https://en.wikipedia.org/wiki/Tombstone_(typography)](https://en.wikipedia.org/wiki/Tombstone_(typography)) end-of-proof, quod-erat-demonstrandum
quadratic-differential complex manifolds `mixfix` mrow d $1 ⊗ d $1 https://en.wikipedia.org/wiki/Quadratic_differential<br/>https://ncatlab.org/nlab/show/quadratic+differential<br/>https://www.encyclopediaofmath.org/index.php/Quadratic_differential
quadratic-variation stochastic processes `indexed fenced` msub mrow [ $1 ] /mrow $2 [https://en.wikipedia.org/wiki/Quadratic_variation](https://en.wikipedia.org/wiki/Quadratic_variation)
quadrilateral geometry `prefix` mo ◻ https://mathworld.wolfram.com/Quadrangle.html<br/>https://en.wikipedia.org/wiki/Quadrilateral<br/>https://www.encyclopediaofmath.org/index.php/Quadrangle quadrangle
quotient-group group theory `infix` mo / https://mathworld.wolfram.com/QuotientGroup.html<br/>https://ncatlab.org/nlab/show/quotient+group<br/>https://www.encyclopediaofmath.org/index.php/Quotient_group
quotient-space topology `infix` mo / https://mathworld.wolfram.com/QuotientSpace.html<br/>[https://en.wikipedia.org/wiki/Quotient_space_(topology)](https://en.wikipedia.org/wiki/Quotient_space_(topology))<br/>https://en.wikipedia.org/wiki/Quotient_space_(linear_algebra)<br/>https://ncatlab.org/nlab/show/quotient+space<br/>https://www.encyclopediaofmath.org/index.php/Quotient_space quotient-set
R r-complexity-class complexity theory `symbol` mi R https://mathworld.wolfram.com/R.html<br/>https://en.wikipedia.org/wiki/R_(complexity)<br/>https://en.wikipedia.org/wiki/R_(cross_section_ratio)
racah-polynomial special functions `indexed function` msub R $1 https://mathworld.wolfram.com/RacahPolynomial.html<br/>https://en.wikipedia.org/wiki/Racah_polynomials<br/>https://dlmf.nist.gov/18.25#T1.t1.r4
radial-mathieu-function special functions `indexed function` mi Mc<br/>mi Ms https://dlmf.nist.gov/28.20#iv<br/>https://dlmf.nist.gov/28.20#E15<br/>https://dlmf.nist.gov/28.20#E16
radical number theory `function` mi rad [https://mathworld.wolfram.com/Radical.html](https://mathworld.wolfram.com/Radical.html)<br/>https://en.wikipedia.org/wiki/Radical_of_a_Lie_algebra<br/>https://en.wikipedia.org/wiki/Radical_of_an_integer<br/>[https://en.wikipedia.org/wiki/Radical_of_a_module](https://en.wikipedia.org/wiki/Radical_of_a_module)<br/>https://ncatlab.org/nlab/show/radical<br/>https://www.encyclopediaofmath.org/index.php/Radical
radius-vector geometry `symbol` mix<br/>mir<br/>mis https://mathworld.wolfram.com/RadiusVector.html<br/>https://en.wikipedia.org/wiki/Position_(vector)<br/>https://www.encyclopediaofmath.org/index.php/Radius_vector location-vector, position-vector, position
ramanujan-sum number theory `indexed function` msub c $1 https://mathworld.wolfram.com/RamanujansSum.html<br/>https://dlmf.nist.gov/27.10#E4<br/>https://www.encyclopediaofmath.org/index.php/Ramanujan_sums
ramanujan-tau-function number theory `function` mi τ https://mathworld.wolfram.com/RamanujansTauFunction.html<br/>https://en.wikipedia.org/wiki/Ramanujan_tau_function<br/>https://dlmf.nist.gov/27.14#E18
ramanujan-soldner-constant special functions `constant` mi μ [https://mathworld.wolfram.com/Ramanujan-SoldnerConstant.html](https://mathworld.wolfram.com/Ramanujan-SoldnerConstant.html)<br/>[https://en.wikipedia.org/wiki/Ramanujan%E2%80%93Soldner_constant](https://en.wikipedia.org/wiki/Ramanujan%E2%80%93Soldner_constant)<br/>https://mathworld.wolfram.com/SoldnersConstant.html soldner-constant
ramification-index algebraic number theory `msub` msub e $1 [https://mathworld.wolfram.com/RamificationIndex.html<br/>](https://mathworld.wolfram.com/RamificationIndex.html)[https://en.wikipedia.org/wiki/Ramification_(mathematics)#In_algebraic_number_theory](https://en.wikipedia.org/wiki/Ramification_(mathematics)#In_algebraic_number_theory)
ramsey-number graph theory `function` mi R https://mathworld.wolfram.com/RamseyNumber.html<br/>[https://www.encyclopediaofmath.org/index.php/Ramsey_number](https://www.encyclopediaofmath.org/index.php/Ramsey_number)
rank graph theory<br/>linear algebra<br/> `function` mi r<br/>mi rank<br/>mi rk https://mathworld.wolfram.com/Rank.html<br/>https://en.wikipedia.org/wiki/Rank_(graph_theory)<br/>https://en.wikipedia.org/wiki/Rank_(linear_algebra)<br/>https://en.wikipedia.org/wiki/Rank_(differential_topology)<br/>https://ncatlab.org/nlab/show/rank<br/>https://www.encyclopediaofmath.org/index.php/Rank
real-bipolar functional analysis `msup` msup $1 r r https://en.wikipedia.org/wiki/Polar_set<br/>https://en.wikipedia.org/wiki/Polar_set_(potential_theory)<br/>https://www.encyclopediaofmath.org/index.php/Polar_set
real-part complex analysis `function` mi ℜ<br/>mi Re<br/>mi ℛℯ https://mathworld.wolfram.com/RealPart.html<br/>https://dlmf.nist.gov/1.9#E2[<br/>](https://en.wikipedia.org/wiki/Complex_number#Notation)[https://en.wikipedia.org/wiki/Complex_number#Notatio](https://en.wikipedia.org/wiki/Complex_number#Notation)n
real-prepolar functional analysis `prescript` msup <mrow/> r /msup $1 https://en.wikipedia.org/wiki/Polar_set<br/>https://en.wikipedia.org/wiki/Polar_set_(potential_theory)<br/>https://www.encyclopediaofmath.org/index.php/Polar_set
real-polar functional analysis `msup` msup $1 r https://en.wikipedia.org/wiki/Polar_set<br/>https://en.wikipedia.org/wiki/Polar_set_(potential_theory)<br/>https://www.encyclopediaofmath.org/index.php/Polar_set
recession-cone convex analysis `function` mi recc [https://en.wikipedia.org/wiki/Recession_cone](https://en.wikipedia.org/wiki/Recession_cone)
reciprocal-polynomial algebra `msup` msup $1 *<br/>msup $1 R https://mathworld.wolfram.com/ReciprocalPolynomial.html<br/>https://en.wikipedia.org/wiki/Reciprocal_polynomial reflected-polynomial
rectification euclidean geometry `function` mi r https://mathworld.wolfram.com/Rectification.html<br/>https://en.wikipedia.org/wiki/Rectification_(geometry)<br/>https://ncatlab.org/nlab/show/rectification
reduced-suspension topology `function` mi Σ [https://en.wikipedia.org/wiki/Suspension_(topology)<br/>](https://en.wikipedia.org/wiki/Suspension_(topology))
relative-homology algebraic topology `indexed function` mi H https://en.wikipedia.org/wiki/Relative_homology<br/>https://ncatlab.org/nlab/show/relative+homology<br/>https://www.encyclopediaofmath.org/index.php/Relative_homology
repunit number theory `indexed symbol` mi R https://mathworld.wolfram.com/Repunit.html<br/>https://en.wikipedia.org/wiki/Repunit<br/>https://en.wikipedia.org/wiki/Repunit_prime
residue complex analysis `function` mi Res<br/>mi res https://mathworld.wolfram.com/Residue.html<br/>https://en.wikipedia.org/wiki/Residue_(complex_analysis)<br/>https://dlmf.nist.gov/1.10#SS3.p5
resolvent galois theory `indexed function` msubsup R $1 ($2) https://mathworld.wolfram.com/Resolvent.html<br/>[https://en.wikipedia.org/wiki/Resolvent_(Galois_theory)](https://en.wikipedia.org/wiki/Resolvent_(Galois_theory))<br/>https://www.encyclopediaofmath.org/index.php/Resolvent
resolvent-set set theory `function` mi ρ https://en.wikipedia.org/wiki/Resolvent_set<br/>https://www.encyclopediaofmath.org/index.php/Resolvent_set
restricted-quantifier formal logic `mixfix` msub mrow ( Ǝ $1 ) /mrow $2<br/>msub mrow ( ∀ $1 ) /mrow $2 [https://www.encyclopediaofmath.org/index.php/Restricted_quantifier<br/>](https://www.encyclopediaofmath.org/index.php/Restricted_quantifier)[https://human.libretexts.org/Bookshelves/Philosophy/Book%3A_A_Modern_Formal_Logic_Primer_(Teller)/Volume_II%3A_Predicate_Logic/4%3A_Transcription/4.1%3A_Restricted_Quantifiers](https://human.libretexts.org/Bookshelves/Philosophy/Book%3A_A_Modern_Formal_Logic_Primer_(Teller)/Volume_II%3A_Predicate_Logic/4%3A_Transcription/4.1%3A_Restricted_Quantifiers)
restricted-wreath-product group theory `infix` mo wr<br/>msub wr $1 https://mathworld.wolfram.com/WreathProduct.html<br/>[https://en.wikipedia.org/wiki/Wreath_product](https://en.wikipedia.org/wiki/Wreath_product)<br/>https://ncatlab.org/nlab/show/wreath+product<br/>https://www.encyclopediaofmath.org/index.php/Wreath_product
restriction elementary mathematics `indexed postfix` $1 mo msub ↾ $2 /mo<br/>$1 mo msub $2 /mo https://en.wikipedia.org/wiki/Restricted_representation<br/>https://en.wikipedia.org/wiki/Restriction_(mathematics)<br/>https://en.wikipedia.org/wiki/Selection_(relational_algebra)<br/>https://ncatlab.org/nlab/show/restriction<br/>
resultant polynomials `function` mi res<br/>mi Res https://mathworld.wolfram.com/Resultant.html<br/>https://en.wikipedia.org/wiki/Resultant<br/>https://ncatlab.org/nlab/show/resultant<br/>https://www.encyclopediaofmath.org/index.php/Resultant eliminant
rewrite-rule logic `infix` mo → [https://en.wikipedia.org/wiki/Semi-Thue_system<br/>](https://en.wikipedia.org/wiki/Semi-Thue_system) rewrite-relation
reynolds-number fluid dynamics `symbol` mi Re [https://en.wikipedia.org/wiki/Reynolds_number](https://en.wikipedia.org/wiki/Reynolds_number)
ricci-scalar riemannian geometry `symbol` mi S<br/>mi R<br/>mi Sc https://mathworld.wolfram.com/RicciScalar.html<br/>https://en.wikipedia.org/wiki/Scalar_curvature scalar-curvature
ricci-tensor riemannian geometry `indexed symbol` mi R https://mathworld.wolfram.com/RicciTensor.html<br/>https://www.encyclopediaofmath.org/index.php/Ricci_tensor
riemann-integral calculus `indexed` mo ∫ https://mathworld.wolfram.com/RiemannIntegral.html<br/>https://en.wikipedia.org/wiki/Lebesgue_integrability_condition<br/>https://en.wikipedia.org/wiki/Riemann_integral<br/>https://www.encyclopediaofmath.org/index.php/Riemann_integral<br/>
riemann-sphere projective geometry `scripted symbol` mover ℂ ^<br/>mover ℂ ¯<br/>msub ℂ ∞ https://mathworld.wolfram.com/RiemannSphere.html<br/>https://en.wikipedia.org/wiki/Riemann_sphere<br/>https://ncatlab.org/nlab/show/Riemann+sphere<br/>https://www.encyclopediaofmath.org/index.php/Riemann_sphere extended-complex-numbers, extended-complex-plane
riemann-theta-function special functions `function` mi θ⁡ https://mathworld.wolfram.com/RiemannThetaFunction.html<br/>https://dlmf.nist.gov/21.2#i<br/>https://dlmf.nist.gov/21.2#E1
riemann-zeta-function special functions `function` mi ζ https://mathworld.wolfram.com/RiemannZetaFunction.html<br/>https://en.wikipedia.org/wiki/%CE%96(x)<br/>https://en.wikipedia.org/wiki/Riemann_zeta_function<br/>[https://dlmf.nist.gov/25.1](https://dlmf.nist.gov/25.1)<br/>https://dlmf.nist.gov/25.2#E1 euler-riemann-zeta-function
riemann-christoffel-tensor riemannian geometry `indexed function` mi R https://mathworld.wolfram.com/Riemann-ChristoffelTensor.html<br/>https://en.wikipedia.org/wiki/Riemann_curvature_tensor<br/>https://www.encyclopediaofmath.org/index.php/Riemann-Christoffel_tensor<br/>https://www.encyclopediaofmath.org/index.php/Riemann�Christoffel_tensor riemann-curvature-tensor
riemann-stieltje-integral measure theory `indexed` mo ∫ https://mathworld.wolfram.com/Riemann-StieltjesIntegral.html<br/>https://en.wikipedia.org/wiki/%E2%88%AB_f_d%CE%B1<br/>https://en.wikipedia.org/wiki/%E2%88%ABfd%CE%B1<br/>https://en.wikipedia.org/wiki/Riemann%E2%80%93Stieltjes_integral<br/>https://www.encyclopediaofmath.org/index.php/Riemann-Stieltjes_integral<br/>https://www.encyclopediaofmath.org/index.php/Riemannâ��Stieltjes_integral stieltje-integral
right-angle geometry `prefix` mo ∟<br/>mo ⊾<br/>mo ⦜<br/>mo ⦝ https://mathworld.wolfram.com/RightAngle.html<br/>https://en.wikipedia.org/wiki/Right_angle
right-derivative calculus `operator` msub ∂ + [https://en.wikipedia.org/wiki/Left_and_right_derivative](https://en.wikipedia.org/wiki/Left_and_right_derivative)
right-quotient formal languages `infix` mo \ [https://en.wikipedia.org/wiki/Quotient_of_a_formal_language](https://en.wikipedia.org/wiki/Quotient_of_a_formal_language)
ring-of-formal-power-series ring theory `mixfix` mrow $1 $2 [https://en.wikipedia.org/wiki/Formal_power_series#The_ring_of_formal_power_series](https://en.wikipedia.org/wiki/Formal_power_series#The_ring_of_formal_power_series)
rising-factorial combinatorics `mixfix` msup $1 mover $2 ¯<br/>msup $1 mrow ( $2 ) /mrow [https://en.wikipedia.org/wiki/Falling_and_rising_factorials](https://en.wikipedia.org/wiki/Falling_and_rising_factorials)<br/>https://mathworld.wolfram.com/RisingFactorial.html<br/>https://dlmf.nist.gov/26.1#P1.p1 pochhammer-function, pochhammer-polynomial, ascending-factorial, rising-sequential-product, upper-factorial
roman-numeral number theory `symbol` mi i<br/>mi ii<br/>mi iii<br/>mi iv<br/>mi v<br/>mi vi<br/>mi vii<br/>mi viii<br/>mi ix<br/>mi x https://mathworld.wolfram.com/RomanNumerals.html<br/>https://en.wikipedia.org/wiki/Roman_numerals<br/>https://www.encyclopediaofmath.org/index.php/Roman_numerals
roof category theory `mixfix` mrow $1 ←$2 → $3 https://en.wikipedia.org/wiki/Span_(category_theory)<br/>https://ncatlab.org/nlab/show/span span, correspondence
root-of-unity complex numbers `symbol` mi ω https://mathworld.wolfram.com/RootofUnity.html<br/>[https://en.wikipedia.org/wiki/Root_of_unity](https://en.wikipedia.org/wiki/Root_of_unity)<br/>https://ncatlab.org/nlab/show/root+of+unity
root-mean-square means `msub` msub $1 RMS [https://mathworld.wolfram.com/Root-Mean-Square.html](https://mathworld.wolfram.com/Root-Mean-Square.html) rms, quadratic-mean
rooted-product-of-graphs graph theory `infix` mo ∘ [https://en.wikipedia.org/wiki/Rooted_product_of_graphs](https://en.wikipedia.org/wiki/Rooted_product_of_graphs)
ruark-number physics `symbol` mi Ru [https://en.wikipedia.org/wiki/Euler_number_(physics)](https://en.wikipedia.org/wiki/Euler_number_(physics))
S s-set-theory set theory `constant` miS [https://en.wikipedia.org/wiki/S_(set_theory)](https://en.wikipedia.org/wiki/S_(set_theory))
s5-modal-logic logic `constant` miS5 [https://en.wikipedia.org/wiki/S5_(modal_logic)](https://en.wikipedia.org/wiki/S5_(modal_logic))
sample-space probability theory `symbol` mi S<br/>mi Ω<br/>mi U https://mathworld.wolfram.com/SampleSpace.html<br/>[https://en.wikipedia.org/wiki/Sample_space](https://en.wikipedia.org/wiki/Sample_space)<br/>https://www.encyclopediaofmath.org/index.php/Sample_space
sample-variance probability theory `embellished symbol` msub m 2<br/>msup s 2<br/>msubsup s $1 2<br/>msubsup σ $1 2 https://mathworld.wolfram.com/SampleVariance.html<br/>https://www.encyclopediaofmath.org/index.php/Sample_variance[<br/>](https://en.wikipedia.org/wiki/Variance#Sample_variance)[https://en.wikipedia.org/wiki/Variance#Sample_varianc](https://en.wikipedia.org/wiki/Variance#Sample_variance)e
scalar-triple-product vector algebra `mixfix`<br/>`fenced` mrow $1 ⋅ ( $2 × $3 )<br/>mrow [ $1 , $2 , $3 ] https://mathworld.wolfram.com/ScalarTripleProduct.html<br/>https://en.wikipedia.org/wiki/Triple_product
scaled-riemann-theta-function special functions `mover` mover θ⁡ ^ <br/>https://dlmf.nist.gov/21.2#i<br/>https://dlmf.nist.gov/21.2#E1
schlaefli-symbol geometry `fenced` mrow { $1 , …, $n } [https://en.wikipedia.org/wiki/Schl%C3%A4fli_symbol](https://en.wikipedia.org/wiki/Schl%C3%A4fli_symbol)
schroder-number combinatorics `indexed symbol` msub S $1 https://mathworld.wolfram.com/SchroederNumber.html<br/>https://en.wikipedia.org/wiki/Schr%C3%B6der_number<br/>https://dlmf.nist.gov/26.6#E4
schur-multiplier group theory `function` mi M https://mathworld.wolfram.com/SchurMultiplier.html<br/>https://en.wikipedia.org/wiki/Schur_multiplier<br/>https://en.wikipedia.org/wiki/Schur_cover schur-multiplicator
schwartz-space topology `symbol` mi𝒮<br/>mi S https://mathworld.wolfram.com/SchwartzSpace.html<br/>[https://en.wikipedia.org/wiki/Schwartz_space](https://en.wikipedia.org/wiki/Schwartz_space)<br/>https://ncatlab.org/nlab/show/Schwartz+space
schwarzian-derivative complex analysis `fenced`<br/>`mixfix` mrow { $1, $2 }<br/>mrow ( S $1 ) ($2) https://mathworld.wolfram.com/SchwarzianDerivative.html<br/>https://en.wikipedia.org/wiki/Schwarzian_derivative<br/>https://dlmf.nist.gov/1.13#E20<br/>https://www.encyclopediaofmath.org/index.php/Schwarzian_derivative
second-carmichael-function number theory `function` msup λ ’ https://mathworld.wolfram.com/CarmichaelFunction.html<br/>https://en.wikipedia.org/wiki/Carmichael_function
sectional-curvature riemannian geometry `function` mi K<br/>mi κ https://mathworld.wolfram.com/SectionalCurvature.html<br/>https://en.wikipedia.org/wiki/Sectional_curvature<br/>https://www.encyclopediaofmath.org/index.php/Sectional_curvature
sedenion abstract algebra `symbol` mi 𝕊 https://en.wikipedia.org/wiki/Sedenion<br/>https://ncatlab.org/nlab/show/sedenion
selection relational algebra `indexed function` msub σ mrow $1 $2 $3 /mrow [https://en.wikipedia.org/wiki/Selection_(relational_algebra)<br/>](https://en.wikipedia.org/wiki/Selection_(relational_algebra))
seminorm linear algebra `fenced` mo ‖ $1 ‖<br/>mo $1 https://mathworld.wolfram.com/Seminorm.html<br/>https://en.wikipedia.org/wiki/Norm_(mathematics) pseudonorm
set-of-invertible-maps commutative algebra `prefix` mo ! [https://arxiv.org/abs/2009.015866](https://arxiv.org/abs/2009.015866)
shannon-entropy information theory `symbol` mi H https://mathworld.wolfram.com/ShannonEntropy.html<br/>https://en.wikipedia.org/wiki/Entropy_(information_theory[)<br/>](https://ncatlab.org/nlab/show/entropy)[https://ncatlab.org/nlab/show/entro](https://ncatlab.org/nlab/show/entropy)py[<br/>https://www.encyclopediaofmath.org/index.php/Entrop](https://www.encyclopediaofmath.org/index.php/Entropy)y entropy
shift-operator functional analysis `oeprator` msup T t https://mathworld.wolfram.com/ShiftOperator.html<br/>https://en.wikipedia.org/wiki/Shift_operator<br/>https://www.encyclopediaofmath.org/index.php/Shift_operator translation-operator, lag-operator
shimura-variety algebraic geometry `function` mi Sh https://en.wikipedia.org/wiki/Shimura_variety<br/>https://ncatlab.org/nlab/show/Shimura+variety<br/>https://www.encyclopediaofmath.org/index.php/Shimura_variety
short-exact-sequence group theory `mixfix` mrow 0 →$1 → $2 → $3 → 0 [https://mathworld.wolfram.com/ShortExactSequence.html<br/>](https://mathworld.wolfram.com/ShortExactSequence.html)[https://en.wikipedia.org/wiki/Exact_sequence](https://en.wikipedia.org/wiki/Exact_sequence)
short-rate mathematical finance `symbol` msub r t https://en.wikipedia.org/wiki/Short_rate<br/>https://en.wikipedia.org/wiki/Short-rate_model<br/>https://en.wikipedia.org/wiki/Kalotay%E2%80%93Williams%E2%80%93Fabozzi_model<br/>https://en.wikipedia.org/wiki/Longstaff%E2%80%93Schwartz_model
sidon-sequence combinatorics `symbol` mi A https://mathworld.wolfram.com/SidonSequence.html<br/>https://en.wikipedia.org/wiki/Sidon_sequence sidon-set
sign-function special-functions `function` mi sgn [https://en.wikipedia.org/wiki/Sign_function](https://en.wikipedia.org/wiki/Sign_function) signum-function
signature-of-permutation combinatorics `function` mi sign [https://ncatlab.org/nlab/show/signature+of+a+permutation](https://ncatlab.org/nlab/show/signature+of+a+permutation) sign-of-permutation
silver-ratio number theory `constant` msub δ S https://mathworld.wolfram.com/SilverRatio.html<br/>https://en.wikipedia.org/wiki/Silver_ratio<br/>https://en.wikipedia.org/wiki/Silver_rectangle
similar geometry `infix` mo ~ https://mathworld.wolfram.com/Similar.html<br/>https://en.wikipedia.org/wiki/Matrix_similarity<br/>https://en.wikipedia.org/wiki/Similarity_(geometry)
simplex geometry `indexed symbol` msup Δ $1 https://mathworld.wolfram.com/Simplex.html<br/>https://en.wikipedia.org/wiki/Simplex<br/>https://ncatlab.org/nlab/show/simplex<br/>https://www.encyclopediaofmath.org/index.php/Simplex
sinc-function special functions `function` mi S<br/>mi sinc https://mathworld.wolfram.com/SincFunction.html<br/>https://en.wikipedia.org/wiki/Sinc_function<br/>https://dlmf.nist.gov/3.3#SS6.p2
sine-integral special functions `operator` mi Si https://mathworld.wolfram.com/SineIntegral.html<br/>https://dlmf.nist.gov/6.2#ii<br/>https://dlmf.nist.gov/6.2#E9<br/>https://dlmf.nist.gov/6.2#E10
size-of-test statistics `symbol` mi α [https://en.wikipedia.org/wiki/Size_(statistics)<br/>](https://en.wikipedia.org/wiki/Size_(statistics))
skewes-number number theory `indexed symbol` msub Sk $1 https://mathworld.wolfram.com/SkewesNumber.html<br/>https://en.wikipedia.org/wiki/Skewes%27_number
small-o complexity `prefix` mi o [https://en.wikipedia.org/wiki/Big_O_notation](https://en.wikipedia.org/wiki/Big_O_notation)<br/>https://mathworld.wolfram.com/o.html<br/><br/>
smith-number number theory `indexed symbol` mi S https://mathworld.wolfram.com/SmithNumber.html<br/>https://en.wikipedia.org/wiki/Smith_number
sobolev-space fourier analysis `indexed symbol` msubsup W $1 $2 https://mathworld.wolfram.com/SobolevSpace.html<br/>https://en.wikipedia.org/wiki/Sobolev_space<br/>https://ncatlab.org/nlab/show/Sobolev+space<br/>https://www.encyclopediaofmath.org/index.php/Sobolev_space
socle group theory `function` mi soc https://mathworld.wolfram.com/Socle.html<br/>https://en.wikipedia.org/wiki/Socle_(mathematics)<br/>https://ncatlab.org/nlab/show/socle<br/>https://www.encyclopediaofmath.org/index.php/Socle
soft-o complexity theory `symbol` mi Õ Extensions_to_the_Bachmann–Landau_notations
solid-angle geometry `symbol` mi Ω https://mathworld.wolfram.com/SolidAngle.html<br/>https://en.wikipedia.org/wiki/Solid_angle<br/>https://www.encyclopediaofmath.org/index.php/Solid_angle
span imperial units `unit` mi span [https://en.wikipedia.org/wiki/Span_(unit)](https://en.wikipedia.org/wiki/Span_(unit))
special-linear-group group theory `indexed function` msub SL $1 https://mathworld.wolfram.com/SpecialLinearGroup.html<br/>https://en.wikipedia.org/wiki/Special_linear_group<br/>https://ncatlab.org/nlab/show/special+linear+group<br/>https://www.encyclopediaofmath.org/index.php/Special_linear_group
special-orthogonal-group group theory `indexed function` mi SO https://mathworld.wolfram.com/SpecialOrthogonalGroup.html<br/>https://ncatlab.org/nlab/show/special+orthogonal+group
special-unitary-group lie groups `function` mi SU https://mathworld.wolfram.com/SpecialUnitaryGroup.html<br/>https://en.wikipedia.org/wiki/Special_unitary_group<br/>https://ncatlab.org/nlab/show/special+unitary+group
spectral-radius spectral theory `function` mi ρ https://mathworld.wolfram.com/SpectralRadius.html<br/>https://en.wikipedia.org/wiki/Spectral_radius<br/>https://www.encyclopediaofmath.org/index.php/Spectral_radius
spectrum functional analysis `function` mi σ [https://en.wikipedia.org/wiki/Spectrum_(functional_analysis)<br/>](https://en.wikipedia.org/wiki/Spectrum_(functional_analysis))
spectrum-category category theory `symbol` mi Sp [https://ncatlab.org/nlab/show/Spectrum<br/>](https://ncatlab.org/nlab/show/Spectrum)
spectrum-of-matrix linear algebra `msub` msub σ $1 [https://en.wikipedia.org/wiki/Spectrum_of_a_matrix<br/>](https://en.wikipedia.org/wiki/Spectrum_of_a_matrix)
spectrum-of-algebra algebra `mover` mover ˆ [https://en.wikipedia.org/wiki/Spectrum_of_a_C*-algebra](https://en.wikipedia.org/wiki/Spectrum_of_a_C*-algebra)
spectrum-of-ring group theory `function` mi Spec [https://en.wikipedia.org/wiki/Spectrum_of_a_ring](https://en.wikipedia.org/wiki/Spectrum_of_a_ring)
spherical-bessel-function-of-third-kind special functions `indexed function` msubsup h $1 (1)<br/>msubsup h $2 (2) https://mathworld.wolfram.com/SphericalBesselFunctionoftheThirdKind.html<br/>https://dlmf.nist.gov/10.47#E5<br/>https://dlmf.nist.gov/10.47#E6
spherical-coordinate geometry `fenced` mrow ($1, $2, $3) https://mathworld.wolfram.com/SphericalCoordinates.html<br/>https://www.encyclopediaofmath.org/index.php/Spherical_coordinates
spin-angular-momentum quantum mechanics `symbol` mi S [https://en.wikipedia.org/wiki/Spin_(physics)](https://en.wikipedia.org/wiki/Spin_(physics))
spin-group group theory `symbol` mi Spin https://mathworld.wolfram.com/SpinGroup.html<br/>https://en.wikipedia.org/wiki/Spin_group<br/>https://ncatlab.org/nlab/show/spin+group<br/>https://www.encyclopediaofmath.org/index.php/Spin_group
spin-quantum-number quantum mechanics `symbol` mi s [https://en.wikipedia.org/wiki/Spin_(physics)](https://en.wikipedia.org/wiki/Spin_(physics))
square geometry `prefix` mrow ◻ $1 $2 $3 $4 https://mathworld.wolfram.com/Square.html<br/>https://en.wikipedia.org/wiki/Square<br/>
stable-distribution probability theory `symbol` msub S 1<br/>msub S 2 https://mathworld.wolfram.com/StableDistribution.html<br/>https://en.wikipedia.org/wiki/Stable_distribution<br/>https://www.encyclopediaofmath.org/index.php/Stable_distribution
stalk sheaf theory `msub` msub $1 $2 [https://en.wikipedia.org/wiki/Stalk_(sheaf)](https://en.wikipedia.org/wiki/Stalk_(sheaf))
standard-deviation probability theory `symbol` mi σ [https://mathworld.wolfram.com/StandardDeviation.html](https://mathworld.wolfram.com/StandardDeviation.html)<br/>https://en.wikipedia.org/wiki/Standard_deviation<br/>https://en.wikipedia.org/wiki/Sample_standard_deviation<br/>https://www.encyclopediaofmath.org/index.php/Standard_deviation
standard-flattening multilinear algebra `indexed symbol` msub 𝒜 ($1) [https://en.wikipedia.org/wiki/Matricization](https://en.wikipedia.org/wiki/Matricization) matricization, unfolding
stanley-reisner-ring commutative algebra `mixfix` mrow $1 [ $2 ] https://en.wikipedia.org/wiki/Stanley%E2%80%93Reisner_ring<br/>https://www.encyclopediaofmath.org/index.php/Stanley-Reisner_ring<br/>https://www.encyclopediaofmath.org/index.php/Stanley�Reisner_ring face-ring
stanley-reisner-ideal commutative algebra `msub` msub I $1 https://en.wikipedia.org/wiki/Stanley%E2%80%93Reisner_ring<br/>https://www.encyclopediaofmath.org/index.php/Stanley-Reisner_ring<br/>https://www.encyclopediaofmath.org/index.php/Stanley�Reisner_ring face-ideal
star combinatorial game theory `constant` mo ∗<br/>mrow { 0 0 } [https://en.wikipedia.org/wiki/Star_(game_theory)<br/>](https://en.wikipedia.org/wiki/Star_(game_theory))
star-height formal languages `function` mi h [https://en.wikipedia.org/wiki/Star_height](https://en.wikipedia.org/wiki/Star_height)
steinberg-group k-theory `function` mi St https://en.wikipedia.org/wiki/Group_of_Lie_type<br/>https://en.wikipedia.org/wiki/Steinberg_group_(K-theory)<br/>https://ncatlab.org/nlab/show/Steinberg+group
stiefel-manifold differential geometry `mixfix` mrow msub V $1 /msub ( $2 ) https://mathworld.wolfram.com/StiefelManifold.html<br/>https://en.wikipedia.org/wiki/Stiefel_manifold<br/>https://www.encyclopediaofmath.org/index.php/Stiefel_manifold
stiefel-whitney-class algebraic topology `function` mi w https://mathworld.wolfram.com/Stiefel-WhitneyClass.html<br/>https://en.wikipedia.org/wiki/Stiefel%E2%80%93Whitney_class<br/>https://ncatlab.org/nlab/show/Stiefel-Whitney+class<br/>https://www.encyclopediaofmath.org/index.php/Stiefel-Whitney_class<br/>https://www.encyclopediaofmath.org/index.php/Stiefel�Whitney_class
stieltjes-wigert-polynomial special functions `indexed function` msub S $1 https://mathworld.wolfram.com/Stieltjes-WigertPolynomial.html<br/>https://en.wikipedia.org/wiki/Stieltjes%E2%80%93Wigert_polynomials<br/>https://dlmf.nist.gov/18.27#E18
stirling-number-of-first-kind special functions `function` mi s https://mathworld.wolfram.com/StirlingNumberoftheFirstKind.html<br/>https://en.wikipedia.org/wiki/Stirling_numbers_of_the_first_kind<br/>https://dlmf.nist.gov/26.8#SS1.p1
stirling-number-of-second-kind special functions `function` mi S https://mathworld.wolfram.com/StirlingNumberoftheSecondKind.html<br/>https://en.wikipedia.org/wiki/Stirling_numbers_of_the_second_kind<br/>https://dlmf.nist.gov/26.8#SS1.p3
strength-of-a-graph graph theory `function` mi σ [<br/>https://en.wikipedia.org/wiki/Strength_of_a_graph](https://en.wikipedia.org/wiki/Strength_of_a_graph) strength
string-concatenation computer science `infix` mo https://mathworld.wolfram.com/Concatenation.html<br/>[https://en.wikipedia.org/wiki/Concatenation_(mathematics)](https://en.wikipedia.org/wiki/Concatenation_(mathematics))
strong-product graph theory `infix` mo ⊠ [https://en.wikipedia.org/w/index.php?title=Graph_product](https://en.wikipedia.org/w/index.php?title=Graph_product) normal-product, and-product
struve-function special functions `indexed function` mi H https://mathworld.wolfram.com/StruveFunction.html<br/>https://en.wikipedia.org/wiki/Struve_function<br/>https://dlmf.nist.gov/11.2#E1<br/>https://dlmf.nist.gov/11.2#E5<br/>https://www.encyclopediaofmath.org/index.php/Struve_function
stufe field theory `function` mi s [https://en.wikipedia.org/wiki/Stufe_(algebra)](https://en.wikipedia.org/wiki/Stufe_(algebra))
subfactorial combinatorics `prefix` mo ! [https://en.wikipedia.org/wiki/Derangement](https://en.wikipedia.org/wiki/Derangement) derangement-number<br/>de-montmort-number
subgroup group theory `infix` mo ≤ https://mathworld.wolfram.com/Subgroup.html<br/>[https://en.wikipedia.org/wiki/Subgroup](https://en.wikipedia.org/wiki/Subgroup)<br/>https://ncatlab.org/nlab/show/subgroup<br/>https://www.encyclopediaofmath.org/index.php/Subgroup
succeeds set theory `infix` mo ≻ [https://mathworld.wolfram.com/Succeeds.html<br/>](https://mathworld.wolfram.com/Succeeds.html)[https://en.wikipedia.org/wiki/Ordered_set_operators](https://en.wikipedia.org/wiki/Ordered_set_operators)
succeeds-or-equals set theory `infix` mo ≽ [https://mathworld.wolfram.com/Succeeds.html<br/>https://en.wikipedia.org/wiki/Ordered_set_operators](https://en.wikipedia.org/wiki/Ordered_set_operators)
successor number theory `function`<br/>`msup` msup $1 +<br/>mi s<br/>mi S https://en.wikipedia.org/wiki/Proclus<br/>https://en.wikipedia.org/wiki/Successor_cardinal<br/>https://en.wikipedia.org/wiki/Successor_ordinal<br/>https://ncatlab.org/nlab/show/successor
such-that set theory `infix` $1 $2<br/>$1 : $2 [https://en.wikipedia.org/wiki/Set_(mathematics)#Set-builder_notation](https://en.wikipedia.org/wiki/Set_(mathematics)#Set-builder_notation)<br/><br/>
sumset set theory `infix` mo + https://mathworld.wolfram.com/Sumset.html<br/>https://en.wikipedia.org/wiki/Sumset
superfluous-submodule abstract algebra `infix` msub ⊆ s<br/>mo ≪ [https://en.wikipedia.org/wiki/Essential_extension](https://en.wikipedia.org/wiki/Essential_extension) small-submodule
support analysis `function` mi supp https://mathworld.wolfram.com/Support.html<br/>https://en.wikipedia.org/wiki/Support_(mathematics)<br/>https://en.wikipedia.org/wiki/Support_of_a_module<br/>https://en.wikipedia.org/wiki/Support_(measure_theory)<br/>https://ncatlab.org/nlab/show/support spectrum, topological-support
supremum order theory<br/>lattice theory `function`<br/>`largeop` mi sup<br/>mo ⋁ [https://mathworld.wolfram.com/Supremum.html<br/>](https://mathworld.wolfram.com/Supremum.html) join, least-upper-bound
supremum-limit limits `indexed` mi lim sup<br/>mover lim ¯ https://mathworld.wolfram.com/SupremumLimit.html<br/>https://en.wikipedia.org/wiki/Limit_superior_and_limit_inferior<br/> limit-superior, limit-supremum, limsup, superior-limit, upper-limit, outer-limit
surface-integral calculus `indexed` mo ∫ https://mathworld.wolfram.com/SurfaceIntegral.html<br/>https://en.wikipedia.org/wiki/Surface_integral<br/>https://www.encyclopediaofmath.org/index.php/Surface_integral
surjection set theory `mixfix`<br/>`infix` mrow $1 : $2 ↠ $3<br/>msup mo ≤ mo * /msup [https://en.wikipedia.org/wiki/Bijection#Definition<br/>](https://en.wikipedia.org/wiki/Bijection#Definition)[https://en.wikipedia.org/wiki/Surjective_function](https://en.wikipedia.org/wiki/Surjective_function)
suspension topology `function` mi S https://mathworld.wolfram.com/Suspension.html<br/>https://en.wikipedia.org/wiki/Suspension_(topology)<br/>https://ncatlab.org/nlab/show/suspension<br/>https://www.encyclopediaofmath.org/index.php/Suspension
symmetric-algebra algebra `function` mi S<br/>mi Sym [https://en.wikipedia.org/wiki/Symmetric_algebra](https://en.wikipedia.org/wiki/Symmetric_algebra)<br/>https://ncatlab.org/nlab/show/symmetric+algebra<br/>[https://www.encyclopediaofmath.org/index.php/Symmetric_algebra](https://www.encyclopediaofmath.org/index.php/Symmetric_algebra)
symmetric-difference set theory `infix` mo △<br/>mo ⊕<br/>mo ⊖ https://mathworld.wolfram.com/SymmetricDifference.html<br/>https://en.wikipedia.org/wiki/Symmetric_difference<br/>https://ncatlab.org/nlab/show/symmetric+difference
symmetric-group group theory `msub`<br/>`function`<br/>`postfix` msub S $1<br/>msub 𝔖 $1<br/>msub Σ $1<br/>mrow Σ ( $1 )<br/>mrow Sym ( $1 )<br/>mrow $1 !<br/> https://mathworld.wolfram.com/SymmetricGroup.html<br/>https://en.wikipedia.org/wiki/Symmetric_group<br/>https://www.encyclopediaofmath.org/index.php/Symmetric_group
symmetric-space topology `constant` msub R 0 [https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions](https://en.wikipedia.org/wiki/Separation_axiom#Main_definitions)s
symplectic-group group theory `function` mi Sp https://mathworld.wolfram.com/SymplecticGroup.html<br/>https://en.wikipedia.org/wiki/Symplectic_group<br/>https://en.wikipedia.org/wiki/Symplectic_Lie_algebra<br/>https://ncatlab.org/nlab/show/symplectic+group<br/>https://www.encyclopediaofmath.org/index.php/Symplectic_group
szego-polynomial orthogonal polynomials `indexed function` msub ϕ $1 https://en.wikipedia.org/wiki/Szeg%C5%91_polynomial<br/>https://www.encyclopediaofmath.org/index.php/Szego_polynomial<br/>https://www.encyclopediaofmath.org/index.php/Szegö_polynomial
T tangent-bundle differential geometry `function` mi T https://mathworld.wolfram.com/TangentBundle.html<br/>https://en.wikipedia.org/wiki/Tangent_bundle<br/>https://ncatlab.org/nlab/show/tangent+bundle<br/>https://www.encyclopediaofmath.org/index.php/Tangent_bundle
tangent-space topology `indexed function` msub T $1 https://mathworld.wolfram.com/TangentSpace.html<br/>https://en.wikipedia.org/wiki/Tangent_space<br/>https://www.encyclopediaofmath.org/index.php/Tangent_space
tate-algebra analytic geometry `symbol` msub T n https://en.wikipedia.org/wiki/Tate_algebra<br/>https://ncatlab.org/nlab/show/Tate+algebra<br/>https://www.encyclopediaofmath.org/index.php/Tate_algebra
tate-module group theory `indexed function` msub T $1 https://en.wikipedia.org/wiki/Tate_module<br/>https://ncatlab.org/nlab/show/Tate+module<br/>https://www.encyclopediaofmath.org/index.php/Tate_module
tau-particle particle physics `symbol` mi τ [<br/>https://en.wikipedia.org/wiki/Tau_(particle)](https://en.wikipedia.org/wiki/Tau_(particle))
taxicab-number number theory `function` mi Ta [https://mathworld.wolfram.com/TaxicabNumber.html<br/>](https://mathworld.wolfram.com/TaxicabNumber.html)[https://en.wikipedia.org/wiki/Taxicab_number](https://en.wikipedia.org/wiki/Taxicab_number)
taylor-polynomial number theory `function` mi Ta https://mathworld.wolfram.com/TaylorPolynomial.html<br/>https://en.wikipedia.org/wiki/Taylor%27s_theorem<br/>https://www.encyclopediaofmath.org/index.php/Taylor_polynomial
teichmuller-space differential geometry `function` mi T https://mathworld.wolfram.com/TeichmuellerSpace.html<br/>https://en.wikipedia.org/wiki/Teichm%C3%BCller_space<br/>https://www.encyclopediaofmath.org/index.php/Teichmüller_space
temperature physics `symbol` mi T https://mathworld.wolfram.com/Temperature.html<br/>https://en.wikipedia.org/wiki/Temperature<br/>https://ncatlab.org/nlab/show/temperature
tensor-algebra multilinear algebra `function` mi T<br/>msup T • [https://en.wikipedia.org/wiki/Tensor_algebra](https://en.wikipedia.org/wiki/Tensor_algebra)
tensor-product algebra `infix` mo ⊗ https://mathworld.wolfram.com/TensorProduct.html<br/>https://en.wikipedia.org/wiki/Tensor_product<br/>https://en.wikipedia.org/wiki/Tensor_product_of_graphs<br/>https://ncatlab.org/nlab/show/tensor+product<br/>https://www.encyclopediaofmath.org/index.php/Tensor_product
tensor-product-of-graphs graph theory `infix` mo × [https://en.wikipedia.org/wiki/Tensor_product_of_graphs](https://en.wikipedia.org/wiki/Tensor_product_of_graphs) kronecker-product-of-graphs, categorical-product
therefore-sign logic `prefix` mo ∴ https://en.wikipedia.org/wiki/Therefore_sign<br/>https://en.wikipedia.org/wiki/.%C2%B7.<br/>https://en.wikipedia.org/wiki/%E2%88%B4
theta-function special functions `indexed function` msub θ $1 https://mathworld.wolfram.com/ThetaFunction.html<br/>https://en.wikipedia.org/wiki/Theta_function<br/>[https://dlmf.nist.gov/20.2#i](https://dlmf.nist.gov/20.2#i)<br/>https://dlmf.nist.gov/20.2#i<br/>https://dlmf.nist.gov/20.2#i<br/>https://ncatlab.org/nlab/show/theta+function
thom-space algebraic topology `function` mi T https://en.wikipedia.org/wiki/Thom_space<br/>https://ncatlab.org/nlab/show/Thom+space<br/>https://www.encyclopediaofmath.org/index.php/Thom_space
thompson-group group theory `symbol` mi Th https://mathworld.wolfram.com/ThompsonGroup.html<br/>https://en.wikipedia.org/wiki/Thompson_groups<br/>https://en.wikipedia.org/wiki/Thompson_sporadic_group
to arithmetic `infix` mo : [<br/>](https://mathworld.wolfram.com/One-to-One.html)[https://mathworld.wolfram.com/One-to-One.htm](https://mathworld.wolfram.com/One-to-One.html)l
todd-class characteristic classes `function` mi td<br/>mi Td https://en.wikipedia.org/wiki/Todd_class<br/>https://ncatlab.org/nlab/show/Todd+class<br/>https://www.encyclopediaofmath.org/index.php/Todd_class
topological-entropy topology `function` mi h https://mathworld.wolfram.com/TopologicalEntropy.html<br/>https://en.wikipedia.org/wiki/Topological_entropy<br/>https://www.encyclopediaofmath.org/index.php/Topological_entropy
toroidal-coordinate geometry `fenced` mrow ( σ , τ , ϕ ) https://mathworld.wolfram.com/ToroidalCoordinates.html<br/>https://en.wikipedia.org/wiki/Toroidal_coordinates<br/>https://www.encyclopediaofmath.org/index.php/Toroidal_coordinates
torque mechanics `symbol` mi τ [https://en.wikipedia.org/wiki/Torque](https://en.wikipedia.org/wiki/Torque)
torsion differential geometry `symbol` mi τ https://mathworld.wolfram.com/Torsion.html<br/>[https://en.wikipedia.org/wiki/Torsion_of_a_curve](https://en.wikipedia.org/wiki/Torsion_of_a_curve)<br/>https://ncatlab.org/nlab/show/torsion<br/>https://www.encyclopediaofmath.org/index.php/Torsion
torsion-submodule abstract algebra `function` mi T [https://en.wikipedia.org/wiki/Torsion_(algebra)](https://en.wikipedia.org/wiki/Torsion_(algebra))
torsion-subgroup group theory `msub` msub $1 T https://en.wikipedia.org/wiki/Torsion_subgroup<br/>https://ncatlab.org/nlab/show/torsion+subgroup
torsion-tensor differential geometry `function` mi T [https://en.wikipedia.org/wiki/Torsion_tensor](https://en.wikipedia.org/wiki/Torsion_tensor)
total-derivative differential calculus `mixfix` mrow d msub $1 $2 /msub https://mathworld.wolfram.com/TotalDerivative.html<br/>https://en.wikipedia.org/wiki/Total_derivative<br/>https://www.encyclopediaofmath.org/index.php/Total_derivative total-differential
total-variation measure theory `fenced` mrow $1 https://mathworld.wolfram.com/TotalVariation.html<br/>https://en.wikipedia.org/wiki/Total_variation<br/>https://dlmf.nist.gov/1.4#E33
trace linear algebra `function` mi tr [https://en.wikipedia.org/wiki/Trace_(linear_algebra)<br/>](https://en.wikipedia.org/wiki/Trace_(linear_algebra))
transitive-closure set theory `msup` msup $1 + https://mathworld.wolfram.com/TransitiveClosure.html<br/>https://en.wikipedia.org/wiki/Transitive_closure<br/>https://ncatlab.org/nlab/show/transitive+closure
triangle geometry `prefix` mrow △ $1 $2 $3 https://mathworld.wolfram.com/Triangle.html<br/>https://en.wikipedia.org/wiki/Triangle<br/>https://ncatlab.org/nlab/show/triangle<br/>https://www.encyclopediaofmath.org/index.php/Triangle
triangle-function special functions `function` mi Λ<br/>mi tri https://mathworld.wolfram.com/TriangleFunction.html<br/>https://en.wikipedia.org/wiki/Triangular_function hat-function, tent-function
triangular-number number theory `indexed symbol` msub T $1 https://mathworld.wolfram.com/TriangularNumber.html<br/>https://en.wikipedia.org/wiki/Triangular_number<br/>https://en.wikipedia.org/wiki/Centered_triangular_number<br/>https://www.encyclopediaofmath.org/index.php/Triangular_number
trilinear-coordinates geometry `infix` mrow $1 : $2 : $3 [https://en.wikipedia.org/wiki/Trilinear_coordinates](https://en.wikipedia.org/wiki/Trilinear_coordinates)
trimean statistics `function` mi TM [https://en.wikipedia.org/wiki/Trimean](https://en.wikipedia.org/wiki/Trimean) tukey-trimean
triple-bond chemistry `infix` mo ≡ [https://en.wikipedia.org/wiki/Triple_bond](https://en.wikipedia.org/wiki/Triple_bond)
triple-scalar-product algebra `fenced` mrow [$1, $2, $3] [https://mathworld.wolfram.com/TripleScalarProduct.html](https://mathworld.wolfram.com/TripleScalarProduct.html) scalar-triple-product
triple-torus topology `indexed symbol` msup 𝕋 3 https://mathworld.wolfram.com/TripleTorus.html<br/>https://en.wikipedia.org/wiki/Three-torus<br/>https://en.wikipedia.org/wiki/Triple_torus
truncation numerical analysis `function` mi trunc https://mathworld.wolfram.com/Truncation.html<br/>https://en.wikipedia.org/wiki/Truncation<br/>
tube-domain complex analysis `msub` msub T $1 https://en.wikipedia.org/wiki/Tube_domain<br/>https://www.encyclopediaofmath.org/index.php/Tube_domain
turan-graph graph theory `function`<br/>`indexed function` mi T<br/>mi D<br/>msub T $1<br/>msub T $1,$2 https://mathworld.wolfram.com/TuranGraph.html<br/>https://en.wikipedia.org/wiki/Tur%C3%A1n_graph<br/>https://en.wikipedia.org/wiki/Cocktail_party_graph
turan-number graph theory `function` mrow T($1,$2,$3) https://en.wikipedia.org/wiki/Tur%C3%A1n_number<br/>https://www.encyclopediaofmath.org/index.php/Turan_number<br/>https://www.encyclopediaofmath.org/index.php/Turán_number
turn geometry `unit` mi cyc<br/>mi rev<br/>mi tr<br/>mi pla <br/>[https://en.wikipedia.org/wiki/Turn_(geometry)](https://en.wikipedia.org/wiki/Turn_(geometry))<br/> cycle, revolution, plenus angulus
twisted-tensor-product topology `infix` msub ⊗ τ [https://ncatlab.org/nlab/show/twisted+tensor+product](https://ncatlab.org/nlab/show/twisted+tensor+product)
tychonoff-space topology `symbol` msub T 3<br/>msub T π<br/>msub T 3½ https://mathworld.wolfram.com/TychonoffSpace.html<br/>https://en.wikipedia.org/wiki/Tychonoff_space<br/>https://ncatlab.org/nlab/show/Tychonoff+space
typing-judgement type theory `infix` mo : [https://ncatlab.org/nlab/show/judgment](https://ncatlab.org/nlab/show/judgment)
U ulam-number integer sequences `indexed symbol` msub U $1 https://mathworld.wolfram.com/UlamNumber.html<br/>https://en.wikipedia.org/wiki/Ulam_number
ultrapower abstract algebra `mixfix` mrow ∏ $1 / $2 https://mathworld.wolfram.com/Ultrapower.html<br/>https://en.wikipedia.org/wiki/Ultraproduct<br/>https://ncatlab.org/nlab/show/ultrapower
ultraproduct abstract algebra `mixfix` mrow ∏ msub $1 $2 /msub / $3 https://mathworld.wolfram.com/Ultraproduct.html<br/>https://en.wikipedia.org/wiki/Ultraproduct<br/>https://ncatlab.org/nlab/show/ultraproduct
uniformly-convergent convergence `infix`<br/>`indexed`<br/>`postfix` mo ⇉<br/>mover ⟶ unif.<br/>mo unif lim<br/>mtext uniformly [https://en.wikipedia.org/wiki/Uniform_convergence](https://en.wikipedia.org/wiki/Uniform_convergence)
unit-part SI units `fenced` mrow [ $1 ] [https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-values<br/>](https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-7-rules-and-style-conventions-expressing-values)[https://physics.stackexchange.com/questions/77690/square-bracket-notation-for-dimensions-and-units-usage-and-conventions](https://physics.stackexchange.com/questions/77690/square-bracket-notation-for-dimensions-and-units-usage-and-conventions)
unit-vector linear algebra `mover` mover $1 ^ https://mathworld.wolfram.com/UnitVector.html<br/>[https://en.wikipedia.org/wiki/Unit_vector](https://en.wikipedia.org/wiki/Unit_vector)<br/>https://www.encyclopediaofmath.org/index.php/Unit_vector
unitary-group group theory `indexed symbol` msub U $1 https://mathworld.wolfram.com/UnitaryGroup.html<br/>https://en.wikipedia.org/wiki/Unitary_group<br/>https://ncatlab.org/nlab/show/unitary+group<br/>https://www.encyclopediaofmath.org/index.php/Unitary_group
universal-gas-constant physics `constant` mi R<br/>mover R - [https://en.wikipedia.org/wiki/Gas_constant](https://en.wikipedia.org/wiki/Gas_constant) gas-constant, molar-gas-constant, ideal-gas-constant
universal-parabolic-constant geometry `constant` mi P https://mathworld.wolfram.com/UniversalParabolicConstant.html<br/>https://en.wikipedia.org/wiki/Universal_parabolic_constant
universal-set set theory `symbol` miV<br/>miU<br/>miξ https://mathworld.wolfram.com/UniversalSet.html<br/>https://en.wikipedia.org/wiki/Universal_set<br/>https://www.encyclopediaofmath.org/index.php/Universal_set universe
unique-existential logic `prefix` mo ∃ !<br/>msub ∃ mrow =1 /mrow [https://en.wikipedia.org/wiki/Uniqueness_quantification<br/>](https://en.wikipedia.org/wiki/Uniqueness_quantification)[https://arxiv.org/pdf/1902.03852.pdf](https://arxiv.org/pdf/1902.03852.pdf)
unnatural-isomorphism set theory `infix` mo ≈ [https://en.wikipedia.org/wiki/Isomorphism#Relation_with_equality](https://en.wikipedia.org/wiki/Isomorphism#Relation_with_equality)
unrestricted-wreath-product group theory `infix` mo ≀<br/>mo Wr<br/>msub Wr $1 https://mathworld.wolfram.com/WreathProduct.html<br/>[https://en.wikipedia.org/wiki/Wreath_product](https://en.wikipedia.org/wiki/Wreath_product)<br/>https://ncatlab.org/nlab/show/wreath+product<br/>https://www.encyclopediaofmath.org/index.php/Wreath_product
upper-closure-poset order theory `prefix` mo ↑ [https://en.wikipedia.org/wiki/Upper_set#Upper_closure_and_lower_closure](https://en.wikipedia.org/wiki/Upper_set#Upper_closure_and_lower_closure)
upper-darboux-integral real analysis `indexed` mover ¯ “https://mathworld.wolfram.com/DarbouxIntegral.html<br/>https://en.wikipedia.org/wiki/Darboux_integral<br/>https://www.encyclopediaofmath.org/index.php/Darboux_integral”
upper-dini-derivative analysis `decorated function` msubsup $1 + ’ https://mathworld.wolfram.com/DiniDerivative.html<br/>https://en.wikipedia.org/wiki/Dini_derivative<br/>https://www.encyclopediaofmath.org/index.php/Dini_derivative
upper-half-plane complex analysis `symbol` mi ℍ<br/>msup ℍ + https://mathworld.wolfram.com/UpperHalf-Plane.html<br/>https://en.wikipedia.org/wiki/Upper_half-plane<br/>https://ncatlab.org/nlab/show/upper+half-plane
upper-shadow combinatorics `function` msup 𝜕 + [http://qk206.user.srcf.net/notes/combinatorics.pdf](http://qk206.user.srcf.net/notes/combinatorics.pdf)
V variance statistics `function` mi Var [https://en.wikipedia.org/wiki/Variance](https://en.wikipedia.org/wiki/Variance) dispersion
vect category theory `indexed symbol` msub Vect $1 [https://ncatlab.org/nlab/show/Vect](https://ncatlab.org/nlab/show/Vect)
vector-concatenation machine learning `infix` mo ◦<br/>mo ⊕ [https://arxiv.org/abs/1903.00172<br/>](https://arxiv.org/pdf/1903.00172v1.pdf)[https://arxiv.org/abs/1901.10879](https://arxiv.org/abs/1901.10879)
vector-projection linear algebra `function` mi proj [https://en.wikipedia.org/wiki/Vector_projection](https://en.wikipedia.org/wiki/Vector_projection) vector-component, vector-resolution
vectorization linear algebra `function` mi vec https://en.wikipedia.org/wiki/Vectorization_(mathematics)<br/>https://en.wikipedia.org/wiki/Vectorization_(parallel_computing)<br/>https://en.wikipedia.org/wiki/Vectorization_(image_tracing)
versor quaternions `function` miU https://en.wikipedia.org/wiki/Versor_(physics)<br/>https://en.wikipedia.org/wiki/Versor<br/>https://www.encyclopediaofmath.org/index.php/Versor
vertical https://mathworld.wolfram.com/Vertical.html<br/>https://en.wikipedia.org/wiki/Horizontal_and_vertical<br/>https://en.wikipedia.org/wiki/Vertical_direction
vertical-composition category theory `infix` mo ∘ [https://ncatlab.org/nlab/show/vertical+composition<br/>](https://ncatlab.org/nlab/show/vertical+composition)[https://proofwiki.org/wiki/Definition:Vertical_Composition_of_Natural_Transformations](https://proofwiki.org/wiki/Definition:Vertical_Composition_of_Natural_Transformations)
volterra-integral calculus `indexed` mo Π [https://en.wikipedia.org/wiki/Product_integral](https://en.wikipedia.org/wiki/Product_integral)
volume physics `symbol` mi V https://mathworld.wolfram.com/Volume.html<br/>https://en.wikipedia.org/wiki/Volume_(compression)<br/>https://en.wikipedia.org/wiki/Lebesgue_measure<br/>https://en.wikipedia.org/wiki/Volume_(thermodynamics)<br/>https://en.wikipedia.org/wiki/Volume<br/>https://ncatlab.org/nlab/show/volume<br/>https://www.encyclopediaofmath.org/index.php/Volume
volume-element measure theory `symbol` mrow d V https://mathworld.wolfram.com/VolumeElement.html<br/>https://en.wikipedia.org/wiki/Volume_element
W walsh-function special functions `indexed function` mi W https://mathworld.wolfram.com/WalshFunction.html<br/>https://en.wikipedia.org/wiki/Walsh_function<br/>https://www.encyclopediaofmath.org/index.php/Walsh_functions
wavelet-transform functional analysis <br/>embellished function<br/> mrow [ msub W $1 /msub $2 ] https://mathworld.wolfram.com/WaveletTransform.html<br/>https://en.wikipedia.org/wiki/Wavelet_transform<br/>https://en.wikipedia.org/wiki/Embedded_Zerotrees_of_Wavelet_transforms integral-wavelet-transform
way-below domain theory `infix` mo≪<br/>mo≫ http://mizar.org/fm/1997-6/pdf6-1/waybel_3.pdf<br/>https://en.wikipedia.org/wiki/Domain_theory way-inside, order-of-approximation
weak-convergence analysis `infix` mover →w<br/>mo ⇀ https://mathworld.wolfram.com/WeakConvergence.html<br/>https://en.wikipedia.org/wiki/Weak_convergence_(Hilbert_space)
weber-function special functions `indexed function` msub E ν https://mathworld.wolfram.com/WeberFunctions.html<br/>https://dlmf.nist.gov/11.10#E2<br/>[https://www.encyclopediaofmath.org/index.php/Weber_function](https://www.encyclopediaofmath.org/index.php/Weber_function)
weierstrass-elliptic-function special functions `function` mi ℘ https://mathworld.wolfram.com/WeierstrassEllipticFunction.html<br/>https://en.wikipedia.org/wiki/Weierstrass%27s_elliptic_functions<br/>https://dlmf.nist.gov/23.2#ii<br/>https://ncatlab.org/nlab/show/Weierstrass+elliptic+function<br/>https://www.encyclopediaofmath.org/index.php/Weierstrass_elliptic_functions
weierstrass-sigma-function special functions `function` mi σ https://mathworld.wolfram.com/WeierstrassSigmaFunction.html<br/>https://dlmf.nist.gov/23.1<br/>https://dlmf.nist.gov/23.2#E6<br/>https://dlmf.nist.gov/23.3#SS1.p3
weierstrass-zeta-function special functions `function` mi ζ https://mathworld.wolfram.com/WeierstrassZetaFunction.html<br/>https://dlmf.nist.gov/23.1<br/>https://dlmf.nist.gov/23.2#E5<br/>https://dlmf.nist.gov/23.3#SS1.p3
weight group theory `function` mi wt https://en.wikipedia.org/wiki/Weight_(strings)<br/>https://ncatlab.org/nlab/show/weight<br/>https://www.encyclopediaofmath.org/index.php/Weight
weighted-lehmer-mean means `indexed function` msub L mrow $1 , $2 /mrow https://mathworld.wolfram.com/LehmerMean.html<br/>https://en.wikipedia.org/wiki/Lehmer_mean
weighted-mean special functions `fenced` mrow ⟨ $1 ⟩ https://mathworld.wolfram.com/WeightedMean.html<br/>[https://en.wikipedia.org/wiki/Weighted_arithmetic_mean](https://en.wikipedia.org/wiki/Weighted_arithmetic_mean) weighted-arithmetic-mean, weighted-average
wheel-graph graph theory `indexed symbol` msub W $1 https://mathworld.wolfram.com/WheelGraph.html<br/>https://en.wikipedia.org/wiki/Wheel_graph
whitehead-group group theory `function` mi Wh https://mathworld.wolfram.com/WhiteheadGroup.html<br/>https://en.wikipedia.org/wiki/Whitehead_torsion<br/>https://www.encyclopediaofmath.org/index.php/Whitehead_group
whitehead-bracket lie algebra `fenced` mrow [ $1, $2 ] https://en.wikipedia.org/wiki/Whitehead_product<br/>https://ncatlab.org/nlab/show/Whitehead+product<br/>https://www.encyclopediaofmath.org/index.php/Whitehead_product
whitehead-torsion geometric topology `function` mi τ https://mathworld.wolfram.com/WhiteheadTorsion.html<br/>https://en.wikipedia.org/wiki/Whitehead_torsion<br/>https://www.encyclopediaofmath.org/index.php/Whitehead_torsion
whittaker-function special functions `indexed function` msub M mrow $1, $2 /mrow<br/>msub W mrow $1, $2 /mrow https://mathworld.wolfram.com/WhittakerFunction.html<br/>https://en.wikipedia.org/wiki/Whittaker_function<br/>https://dlmf.nist.gov/13#PT3<br/>https://www.encyclopediaofmath.org/index.php/Whittaker_functions
wiener-algebra Fourier analysis `symbol` mrowA(T) https://mathworld.wolfram.com/WienerAlgebra.html<br/>https://en.wikipedia.org/wiki/Wiener_algebra
wiener-process martingale theory `indexed symbol` msub W $1 https://mathworld.wolfram.com/WienerProcess.html<br/>https://en.wikipedia.org/wiki/Wiener_process<br/>https://www.encyclopediaofmath.org/index.php/Wiener_process
wiener-sausage mathematical physics `indexed symbol` msub W $1 https://mathworld.wolfram.com/WienerSausage.html<br/>https://en.wikipedia.org/wiki/Wiener_sausage<br/>https://www.encyclopediaofmath.org/index.php/Wiener_sausage
wilson-polynomial orthogonal polynomials `indexed function` msub W $1 https://mathworld.wolfram.com/WilsonPolynomial.html<br/>https://en.wikipedia.org/wiki/Wilson_polynomials<br/>https://dlmf.nist.gov/18.25#T1.t1.r2<br/>https://www.encyclopediaofmath.org/index.php/Wilson_polynomials
wilson-quotient number theory `function` mi W https://mathworld.wolfram.com/WilsonQuotient.html<br/>https://en.wikipedia.org/wiki/Wilson_quotient<br/>
winding-number algebraic topology `function`<br/>`symbol` mi 𝒩<br/>mi w <br/>https://en.wikipedia.org/wiki/Winding_number<br/>[https://dlmf.nist.gov/1.9#E32](https://dlmf.nist.gov/1.9#E32)<br/>https://ncatlab.org/nlab/show/winding+number[<br/>](https://planetmath.org/windingnumber)[https://planetmath.org/windingnumbe](https://planetmath.org/windingnumber)r<br/>https://www.encyclopediaofmath.org/index.php/Winding_number
window-function fourier analysis `function` mi w https://mathworld.wolfram.com/WindowFunction.html<br/>https://en.wikipedia.org/wiki/Window_function<br/>https://www.encyclopediaofmath.org/index.php/Window_function
wishart-distribution probability theory `symbol` msub W p https://mathworld.wolfram.com/WishartDistribution.html<br/>[https://en.wikipedia.org/wiki/Wishart_distribution](https://en.wikipedia.org/wiki/Wishart_distribution)<br/>https://www.encyclopediaofmath.org/index.php/Wishart_distribution
witt-polynomials ring theory `indexed function` msub W $1 [https://en.wikipedia.org/wiki/Witt_vector](https://en.wikipedia.org/wiki/Witt_vector)<br/>https://www.encyclopediaofmath.org/index.php/Witt_vector
witt-vector ring theory `fenced` mrow ( $1, … , $n ) [https://en.wikipedia.org/wiki/Witt_vector](https://en.wikipedia.org/wiki/Witt_vector)<br/>https://www.encyclopediaofmath.org/index.php/Witt_vector
woodall-number number theory `indexed symbol` msub W $1 https://mathworld.wolfram.com/WoodallNumber.html<br/>https://en.wikipedia.org/wiki/Woodall_number<br/>https://en.wikipedia.org/wiki/Woodall_prime
wright-function special functions `function` mi ϕ [https://mathworld.wolfram.com/WrightFunction.html<br/>](https://mathworld.wolfram.com/WrightFunction.html)
wright-omega-function special functions `function` mi ω [https://en.wikipedia.org/wiki/Wright_Omega_function](https://en.wikipedia.org/wiki/Wright_Omega_function) wright-function
writhe knot theory `function` mi Wr https://mathworld.wolfram.com/Writhe.html<br/>https://en.wikipedia.org/wiki/Writhe<br/>https://ncatlab.org/nlab/show/writhe
wronskian special functions `operator` mrow 𝒲 { $1, $2 }<br/>mi W https://mathworld.wolfram.com/Wronskian.html<br/>https://en.wikipedia.org/wiki/Wronskian<br/>https://dlmf.nist.gov/1.13#E4<br/>https://ncatlab.org/nlab/show/Wronskian<br/>https://www.encyclopediaofmath.org/index.php/Wronskian
Y yang-mill-functional gauge theory `function` mi ℒ https://mathworld.wolfram.com/Yang-MillsFunctional.html<br/>https://www.encyclopediaofmath.org/index.php/Yang-Mills_functional<br/>https://www.encyclopediaofmath.org/index.php/Yangâ��Mills_functional
Z z-matrix linear algebra `symbol` mi Z [https://en.wikipedia.org/wiki/Z-matrix_(mathematics)<br/>](https://en.wikipedia.org/wiki/Z-matrix_(mathematics))
z-matrix-molecule chemistry `mtable` mtable [https://en.wikipedia.org/wiki/Z-matrix_(chemistry)](https://en.wikipedia.org/wiki/Z-matrix_(chemistry))
z-transform combinatorics `function` mi Z https://mathworld.wolfram.com/z-Transform.html<br/>https://mathworld.wolfram.com/Z-Transform.html<br/>https://en.wikipedia.org/wiki/Z-transform<br/>https://www.encyclopediaofmath.org/index.php/Z-transform
zernike-polynomial orthogonal polynomials `indexed function` msubsup Z https://mathworld.wolfram.com/ZernikePolynomial.html<br/>https://en.wikipedia.org/wiki/Zernike_polynomials<br/>https://www.encyclopediaofmath.org/index.php/Zernike_polynomials
zero-ideal ring theory `symbol` mrow {0} https://mathworld.wolfram.com/ZeroIdeal.html<br/>https://ncatlab.org/nlab/show/zero+ideal
zero-matrix linear algebra `indexed symbol` msub mn 0 mrow m,n [https://en.wikipedia.org/wiki/Zero_matrix](https://en.wikipedia.org/wiki/Zero_matrix)
zero-morphism category theory `indexed symbol` msub mn 0 mrow X,Y https://en.wikipedia.org/wiki/Zero_morphism<br/>https://ncatlab.org/nlab/show/zero+morphism
zero-object algebra `symbol` mrow {0} https://en.wikipedia.org/wiki/Zero_object_(algebra)<br/>https://ncatlab.org/nlab/show/zero+object
zero-ring ring theory `symbol` mrow {0}<br/>mn 0 https://mathworld.wolfram.com/ZeroRing.html<br/>https://en.wikipedia.org/wiki/Zero_ring
zero-vector linear algebra `constant` mn 0 [https://mathworld.wolfram.com/ZeroVector.html](https://mathworld.wolfram.com/ZeroVector.html)
zeta-function number theory `function` mi ζ https://mathworld.wolfram.com/ZetaFunction.html<br/>https://en.wikipedia.org/wiki/List_of_zeta_functions<br/>https://en.wikipedia.org/wiki/Zeta_function_(operator)<br/>https://ncatlab.org/nlab/show/zeta+function
zig-zag-product graph theory `infix` mo ∘ [https://en.wikipedia.org/wiki/Zig-zag_product](https://en.wikipedia.org/wiki/Zig-zag_product)
Clone this wiki locally