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SageManifolds metaticket 2 #30525
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comment:106
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This metaticket collects tickets related to manifolds in Sage 9.3 or higher. For the initial implementation of manifolds in Sage up to version 9.2, see the metaticket 1: #18528.
The works listed here result from the SageManifolds project, developed by the following authors.
Generic
__eq__
by_richcmp_
for manifoldssrc/sage/manifolds/
(merged in Sage 9.3.beta9)__copy__
,__deepcopy__
methods for all classes that definecopy
methodssage.manifolds
,sage.tensor
: Fix spelling errors (merged in Sage 9.6.beta7)sage/manifolds
(merged in Sage 9.7.beta7)sage.manifolds
,sage.tensor
: Remove imports fromsage.arith.all
,sage.rings.all
(merged in Sage 9.7.rc0)super()
insage.manifolds
(merged in Sage 9.8.beta1)Algebraic part
SymPowerFreeModule
FreeModules
(without distinguished basis)Modules(QQ)(FiniteRankFreeModule(QQ, 3))
fails (merged in Sage 9.3.beta8)TensorFreeModule
defined by the symmetries of aComponents
object (merged in Sage 9.8.beta0)FiniteRankFreeModule
,CombinatorialFreeModule
and Cartesian products (merged in Sage 9.7.rc0)FiniteRankDualFreeModule
(merged in Sage 9.8.beta0)ExtPowerFreeModule
a quotient ofTensorFreeModule
FreeModuleAutomorphism
should not inherit fromFreeModuleTensor
_matmul_
operator (@)Basis_abstract
a subclass ofAbstractFamily
(merged in Sage 9.7.rc0)Components
into parent & elementFiniteRankFreeModule
(merged in Sage 9.7.rc0)_sympy_
methods for tensor component classesFiniteRankFreeModuleMorphism
: Add methodSVD
(singular value decomposition)TensorSymmetry
sage.tensor.modules
(merged in Sage 9.5.beta1)sage.tensor.modules
: remove dependency onsage.manifolds
(merged in Sage 9.5.beta5)sage.tensor.modules
: make doctests involving SR optional (merged in Sage 9.5.beta5)FiniteRankFreeModule
andTensorFreeModule
(merged in Sage 9.7.rc0)TensorFreeModule.isomorphism_with_fixed_basis
(merged in Sage 9.8.beta0)FiniteRankFreeModule
inModules().TensorProducts()
(merged in Sage 9.8.beta1)sage.tensor
: Canonicalizesym
,antisym
(merged in Sage 9.8.beta0)FiniteRankFreeModule
dualFiniteRankFreeModule.tensor_module(0, 1)
return the dual (merged in Sage 9.8.beta0)FiniteRankFreeModule.tensor_from_comp
: DeprecateTensorFreeModule
,TensorFreeSubmodule
tensor_factor_index_maps
to tensor productsFiniteRankDualFreeModule
dual_pairing
for modules insage.tensor
FiniteRankFreeModule
(merged in Sage 9.8.beta5)Topological manifolds
SR
toScalarFieldAlgebra
copy_from
method (merged in Sage 9.4.beta1)ContinuousMap.image
: if map is an isomorphism anddomain_subset
is open, create a submanifoldChart.subchart_poset
,superchart_poset
,Manifold.chart_poset
name
andlatex_name
tocopy
method inset_restriction
(merged in Sage 9.4.beta3)ScalarField
(merged in Sage 9.4.beta4)Chart
objects, add methodcodomain
Chart
: Implement pickling via__getstate__
/__setstate__
self
inCoordChange
(merged in Sage 9.4.beta4)Chart._domain
attribute (merged in Sage 9.4.beta6)Chart
: Add init argumentcoord_restrictions
, deprecate methodadd_restrictions
(merged in Sage 9.4.beta6)Chart.__init__
regarding the determination of top charts (merged in Sage 9.4.beta6)Chart._parse_coordinates
(merged in Sage 9.4.beta6)ExpressionNice
with composite variables (merged in Sage 9.6.beta4)Manifold.options.omit_function_arguments
ineffective for arguments not in alphabetic order (merged in Sage 9.7.beta4)Manifold subsets
declare_union
yields wrong resultsManifoldSubset.closure
,is_closed
,declare_closed
(merged in Sage 9.4.beta4)_test_...
methods that check invariants of subset relationsManifoldSubset
: Change some methods to generators (merged in Sage 9.4.beta3)Differentiable manifolds
set_comp
,comp
(merged in Sage 9.4.beta6)OpenInterval
andUniqueRepresentation
(merged in Sage 9.3.beta2)RealSet
tosage.manifolds
(merged in Sage 9.4.beta4)form
input for bundle connections #31273: Remove deprecatedform
input for bundle connections (merged in Sage 9.3.beta7)subs()
ineffective on tensor fieldstangent_vector()
to differentiable manifolds (merged in Sage 9.4.beta1)VectorField.__call__
(merged in Sage 9.4.beta1)DifferentiableManifold.open_subset
: update vector frames and change of framesOpenInterval
,RealLine
instances by instances of a subclass ofDifferentiableManifold
+RealSet
set_name
for interior products with zero result (merged in Sage 9.6.rc4)VectorFieldModule
: Faster fast path fortensor_module
,exterior_power
,dual_exterior_power
(merged in Sage 9.8.beta1)VectorFieldDualFreeModule
(merged in Sage 9.8.beta1)VectorFieldModule
,TensorFieldModule
,DiffFormModule
: Add methodstensor_product
,tensor_power
(merged in Sage 9.8.beta4)Pseudo-Riemannian manifolds
EuclideanSpace
hodge_dual
(merged in Sage 9.3.beta9)manifolds.Sphere
: Add barycentric coordinates of spherical triangles / Whitney formstangent_vector_eval_at
for geodesics on manifolds integrated over multiple charts #31813: Add support fortangent_vector_eval_at
for geodesics on manifolds integrated over multiple chartssage.geometry.riemannian_manifolds
tosage.manifolds
Poisson manifolds
Complex and almost complex manifolds
CC: @tscrim @mkoeppe @mjungmath @honglizhaobob
Component: manifolds
Keywords: tensor, differential geometry
Author: see ticket description
Issue created by migration from https://trac.sagemath.org/ticket/30525
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