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Expert review of all 42 chapters identified and fixed 75+ issues across physics correctness, factual accuracy, cross-references, HTML structure, and pedagogical quality. Critical fixes: - Ch 7: GHZ classical strategy example corrected (was wrong), CHSH rotation angles fixed (were halved), draft paragraph rewritten - Ch 11: Both modular exponentiation circuits rewritten and verified (multiply-by-7 was computing multiply-by-11; multiply-by-11 was acting as identity) - Ch 30: QCMA/QMA containment ordering corrected, P=BPP consensus fixed, QMA(2) bounds corrected - Ch 35: Wrong chapter cross-references fixed (Ch 33 -> Ch 8) Major fixes: - Cross-references corrected in Ch 3, 8, 9, 10, 30, 35, 36, 37 - Hardware specs updated: Quantinuum (QV 2^25, 99.9% fidelity), Google (105 Willow not 72 Sycamore), IBM (Heron r2, tunable couplers not tunable transmons, CZ not ECR native gate) - Math errors: trine states equator claim (Ch 26), Stinespring dilation Hilbert space (Ch 27), depolarizing channel parametrization (Ch 29), [[3,1,3]] notation (Ch 17/18) - Structural: Ch 6 flashcard HTML nesting (10 cards), Ch 3/22/30/33 section wrappers, Ch 6 Toffoli truth table completed - Timeline fixes: Feynman 1981 (Ch 32), BV 1993 (Ch 9), Google milestones (Ch 39/42), Quantinuum Helios (Ch 39/40/42) - Ch 37 toric code sandbox explanation corrected Minor fixes across 31 chapters including typos, false matrix equalities, calculation errors, outdated specs, NQI reauthorization claim, Qiskit naming, and more. Independent audit of all 42 chapters confirmed: 38/42 rated A or A-, zero critical issues remaining, all Go tests pass, build clean.
Replace all special dash characters (U+2014) with standard hyphen-minus (U+002D) in Go source files, README, and pre-commit hook.
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #31 +/- ##
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- Coverage 72.23% 71.37% -0.86%
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Files 157 157
Lines 16715 16715
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- Hits 12074 11931 -143
- Misses 3714 3872 +158
+ Partials 927 912 -15 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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…chapters
Errors fixed across 36 chapters:
- Ch 1: Levin's independent result was 1973, not 1971
- Ch 4: Unicode degree symbols in KaTeX math replaced with ^\circ
- Ch 9: Simon/Shor both presented at FOCS 1994, not "one year apart"
- Ch 13: IBM native gate clarified (ECR for Eagle, CZ for Heron);
Quantinuum H2 timeline corrected; T1/T2 ranges updated
- Ch 14: T1/T2 ranges corrected for production hardware; section
numbering fixed (14.3.5 -> 14.4); QV record updated to 2^25
- Ch 15: Cross-reference fixed (Chapter 16 -> Chapters 17-20 for QEC)
- Ch 16: Repetition code output claim corrected (circuit extracts
corrected bit into q[0], not full codeword)
- Ch 17: CSS code distance is lower bound (>=), not equality;
Steane code T gate is not transversal (Eastin-Knill)
- Ch 18: Bit-flip code parameters [[3,1,3]] -> [[3,1,1]]
- Ch 19: Step-through circuit measures X0X1, not Z0Z1
- Ch 21: Y-measurement basis rotation made consistent with definition
- Ch 22: H2 Hamiltonian coefficients reconciled with interactive widgets
- Ch 23: QAOA sign mismatch fixed (e^{+i} -> e^{-i} matching RZZ)
- Ch 25: Dynamical decoupling expanded from widget-only to full
subsection with DD sequence explanations
- Ch 27: Phase-flip channel explicitly identified as identical to
dephasing channel
- Ch 28: Depolarizing purity formula corrected
- Ch 29: Depolarizing channel capacity formula corrected
- Ch 33: Qubitization+QSP complexity in comparison table now includes
log log factor matching the text
- Ch 34: RFC 9340 published by IRTF, not IETF
- Ch 35: NIST IR 8547 qualified as draft
- Ch 37: Majorana tetron "lifetimes" -> "parity switching times"
- Ch 38: AlphaQubit/Willow results disentangled; ASIC -> TPU;
prerequisites fixed
- Ch 39: MIT report date corrected to primary source
- Ch 40: Atom Computing HQ corrected; China investment qualified
- Ch 42: Yale 2023 bosonic code description corrected
Structural consistency across all 42 chapters:
- All review sections now use <section id="review"> with
<h2>Chapter N Review</h2> heading consistently
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