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Enrich 5 gallery entries: derangements-convergence, CS-oq04-oq01, bezout-poly, CS-integral, prob-method#9503

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rjwalters merged 17 commits intomainfrom
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Apr 4, 2026
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Enrich 5 gallery entries: derangements-convergence, CS-oq04-oq01, bezout-poly, CS-integral, prob-method#9503
rjwalters merged 17 commits intomainfrom
feature/enricher-1

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@rjwalters rjwalters commented Apr 4, 2026

Summary

Enriches 5 gallery proof entries with annotations, sections, and expanded metadata:

  • derangements-convergence: 6 annotations (Taylor series connection, altFactTerm defs, strong induction identity, comparison+exp tsum+injective reindexing, parity analysis alternating series, four-line convergence rate); 6 sections; 4 open questions
  • cauchy-schwarz-oq-04-oq-01: 5 annotations (three CS variants overview, discriminant proof, √w substitution, Titu's lemma); 5 sections; historicalContext expanded (Cauchy 1821, Bunyakovsky 1859, Schwarz 1885, Sedrakyan/Titu)
  • bezout-identity-oq-02-oq-01-oq-01: 6 annotations (ℤ vs K[X] parallel, IsCoprime definitional equality, irreducible_iff_prime in UFD, GCD Bézout form, rcases on Irreducible, structure summary); 7 sections
  • cauchy-schwarz-integral-oq-02-oq-02-oq-01: 4 annotations (ENNReal framework, rpow factoring, Minkowski cancellation step, exponent arithmetic); 5 sections
  • prob-method-second-moment-oq-01: 5 annotations (Paley-Zygmund context, CS lemma, main theorem, calc chain, corollaries); 5 sections

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@rjwalters rjwalters added the enrichment Gallery proof enrichment label Apr 4, 2026
@rjwalters rjwalters force-pushed the feature/enricher-1 branch from 5961090 to 2fe8feb Compare April 4, 2026 21:25
@rjwalters rjwalters changed the title Enrich kummer-theorem-oq-03: add 6 annotations, sections, expand context Enrich prob-method-second-moment-oq-01: add 5 annotations, sections, expand context Apr 4, 2026
@rjwalters rjwalters force-pushed the feature/enricher-1 branch from 2fe8feb to 5d9e670 Compare April 4, 2026 21:29
@rjwalters rjwalters changed the title Enrich prob-method-second-moment-oq-01: add 5 annotations, sections, expand context Enrich cauchy-schwarz-integral-oq-02-oq-02-oq-01 + prob-method-second-moment-oq-01: annotations, sections, context Apr 4, 2026
@rjwalters rjwalters force-pushed the feature/enricher-1 branch from 5d9e670 to 0e34b95 Compare April 4, 2026 21:32
@rjwalters rjwalters changed the title Enrich cauchy-schwarz-integral-oq-02-oq-02-oq-01 + prob-method-second-moment-oq-01: annotations, sections, context Enrich 3 gallery entries: bezout-poly, CS-integral, prob-method Apr 4, 2026
@rjwalters rjwalters force-pushed the feature/enricher-1 branch 2 times, most recently from df6c40b to 53d9794 Compare April 4, 2026 21:42
@rjwalters rjwalters changed the title Enrich 3 gallery entries: bezout-poly, CS-integral, prob-method Enrich 5 gallery entries: derangements-convergence, CS-oq04-oq01, bezout-poly, CS-integral, prob-method Apr 4, 2026
rjwalters and others added 7 commits April 4, 2026 15:18
…oricalContext

- Added 6 annotations covering Lagrange's theorem foundations, Sylow I
  existence+order formula, Sylow II conjugacy, Sylow III counting constraints,
  partial converse to Lagrange, and Cauchy's theorem as corollary
- Added 7 sections covering all proof regions (header, imports, Lagrange,
  Sylow existence, Sylow conjugacy, Sylow counting, partial converse)
- Expanded historicalContext with Sylow (1832-1918) biography, 1872 paper,
  Burnside's systematization, Wielandt's 1959 proof, and classification context
- Added 5th keyInsight about n_p ≡ 1 mod p counting from fixed-point analysis
  and its normality criterion consequence
- Expanded conclusion with Hall's theorem and classification implications

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Added ann-kummer-oq03-specific-rows: covers choose_prime_div and
  choose_prime_sq_div (lines 64-75) with Fermat's little theorem connection
  and Wieferich primes context
- Added header section (lines 1-23) covering research question and references
- Added summary section (lines 92-116) covering fractal structure discussion
- Now 5 annotations with full mathContext/significance/relatedConcepts coverage
- Now 6 sections covering all proof regions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…tion

- Added ann-pz-header annotation (lines 1-34): context annotation describing
  the Paley-Zygmund quantitative upgrade over the qualitative second moment
  method, with the classical probabilistic statement in LaTeX
- Added header section (lines 1-34) covering research question and imports
- Now 5 annotations with mathContext/significance/relatedConcepts coverage
- Now 4 sections covering all proof regions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…text/keyInsights

- Added 6 annotations: Sylow I existence+order, Sylow II conjugacy+isomorphism,
  Sylow III counting constraints, normality-uniqueness equivalence, Cauchy's
  theorem, and classification applications (order 15 example)
- Added 7 sections covering all proof regions (imports+header, Sylow structure,
  Sylow I-III, normality, Cauchy, applications)
- Expanded historicalContext with Sylow (1832-1918), Burnside 1897,
  Wielandt 1959, and Wiedijk #72 context
- Added 5th keyInsight about Lean 4's Sylow p G bundled structure type
- Expanded conclusion with Schur-Zassenhaus and classification extensions
- Added cross-reference to lagrange-theorem-oq-01 companion proof

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…/insights

- Added 5 annotations: IsPQGroup structure, Sylow q uniqueness (n_q=1 proof),
  Sylow p analysis (coprimality criterion), core 80-line cyclicity proof
  (commutator argument + order product formula), and classification theorem
- Added 7 sections: header, setup/helpers, Sylow q uniqueness, Sylow p analysis,
  cyclic proof, non-abelian classification, concrete examples
- Expanded historicalContext with Burnside 1911, semidirect product
  construction, and order-6/15/21/35 examples
- Added 5th keyInsight about IsPQGroup structure bundling design choice
- Expanded conclusion with semidirect products and p²q classification

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…, expand context

- Added 5 annotations: chord quadratic inner product expansion, Vieta product
  formula without explicit roots, opposite sign analysis for interior point,
  power of a point invariance theorem, explicit 3D Sphere3D corollary
- Added 5 sections covering all proof regions (header, chord quadratic, Vieta
  product, power of point, 3D corollary, conclusion)
- Expanded historicalContext with Jakob Steiner (1796-1863) and 'power of a
  point' (Potenz eines Punktes 1826), Greek origins in Euclid Elements III
- Added 5th keyInsight about type-class polymorphism enabling dimension-free proof
- Expanded conclusion with complex Hilbert space and exterior point extensions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…d context

- Add 7 sections covering all 250 lines (header, concrete verifications,
  boundary values, orbit-stabilizer lemma, Burnside main theorem,
  weighted partition identity, summary)
- Add 5 annotations: module overview, native_decide witnesses,
  card_perm_fixing_point orbit-stabilizer proof, Burnside's lemma
  application, fiberwise double-counting for weighted identity
- Expand historicalContext: Montmort 1708, de Moivre 1718, Burnside 1897,
  Chen-Stein Poisson(1) limit
- Add 5th keyInsight: native_decide role as computational witness
- Expand conclusion with Poisson approximation open question

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
@rjwalters rjwalters force-pushed the feature/enricher-1 branch from dd118d1 to 346464b Compare April 4, 2026 22:18
rjwalters and others added 10 commits April 4, 2026 15:18
…text

- Add 7 sections covering all 277 lines (header, order/factorization,
  Sylow constraints, exact numbers, non-normality, conjugacy class
  decision, simplicity/corollaries)
- Add 5 annotations: A₅ historical significance (Galois 1832,
  Abel-Ruffini, CFSG context), exact Sylow numbers via native_decide,
  Sylow.unique_of_normal reusable pattern, conjugacy class decide proof,
  not-solvable via S₅ short exact sequence
- Expand historicalContext: Jordan 1870 Traité, Burnside 1897, PSL(2,5)
  isomorphism, CFSG connection
- Add 5th keyInsight: Sylow.unique_of_normal → Fintype.card_unique
  contradiction idiom
- Add 3rd openQuestion: PSL(2,p) generalization

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…and keyInsights

- Add 7 sections covering all 277 lines (header, order/factorization,
  Sylow constraints, exact numbers, non-normality, conjugacy class
  decision, simplicity/corollaries)
- Expand historicalContext: Galois 1832, Abel/Ruffini, Jordan 1870
  Traite, Burnside 1897, PSL(2,5) isomorphism, CFSG connection
- Add 5th keyInsight: Sylow.unique_of_normal -> Fintype.card_unique
  contradiction idiom
- Add 3rd openQuestion: PSL(2,p) generalization

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…xpand context

- Add 6 sections covering all 341 lines (header, pi-from-nesterenko,
  exp-pi + gamma-quarter, pi*exp-pi + irrationality,
  Schanuel conditional proofs, summary hierarchy)
- Add 5 annotations: module overview, polynomial lifting technique
  (detailed template proof), e^pi transcendence (Gelfond 1929 via
  Nesterenko 1996), pi*exp-pi composite polynomial trick, Schanuel
  named-axiom pattern for conditional e+pi results
- Expand historicalContext: Hermite 1873, Lindemann 1882, Gelfond 1929,
  Gelfond-Schneider 1934, Nesterenko 1996, Schanuel 1960s
- Add 5th keyInsight: X0*X1 composite polynomial specialization trick
- Add 5th openQuestion: e^e transcendence

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add 7 sections covering all 253 lines (header, definitions/basics,
  log bounds, Theisinger p-adic, sandwich gap/convergence rate,
  rational exclusion, documented Gamma/Zeta connections)
- Add 5 annotations: 42-theorem overview and open status of γ
  irrationality, sandwich gap explicit convergence rate, Theisinger
  2-adic valuation argument, systematic rational exclusion with 3/5
  noted as unreachable by basic bounds, documented Gamma/Zeta
  connections excluded from >32GB build
- Expand historicalContext was already good; keyInsights already 4
  (no changes needed to overview sections)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…q-02 audited clean (#9516)

New proof detected (Fodor's Pressing-Down Lemma). Gallery entry exists as
untracked files on disk; Lean file is on feature/researcher-7 (PR #9500).
Meta.json claims match Lean file: 1 sorry (diagInter_isUnbounded) confirmed.
Script false-positive: "sorry mismatch" because Lean file not on main yet.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
)

* Enrich derangements-convergence: 5 annotations, 6 sections, expanded history

Adds full annotation coverage and deepens all metadata sections for the
Derangements Converge to 1/e gallery entry (Wiedijk #88).

Annotations added (5):
- ann-derang-conv-identity: D(n)=n!·altFactPartialSum strong induction bridge (lines 56-75)
- ann-derang-conv-tsum: Linking e⁻¹ to alternating series via NormedSpace.exp_eq_tsum (lines 86-116)
- ann-derang-conv-nonneg: Parity-splitting induction for alternating series bounds (lines 120-208)
- ann-derang-conv-tail: Passing finite bounds to infinite tail via tendsto limits (lines 210-242)
- ann-derang-conv-main: Composing the full convergence proof chain (lines 246-283)

Meta enrichments:
- 6 sections covering all 284 lines
- 5th keyInsight: tsum_eq_partial_sum_add_tail as technical bridge
- Expanded historicalContext: Montmort 1708, Euler 1751, Leibniz alternating
  series 1682, probabilistic interpretation, Wiedijk #88 significance
- 4 crossReferences: derangements-oq-03-oq-02 (extends), derangements (related),
  e-transcendental (related), prob-method-expectation (related)
- Expanded openQuestions: D_k(n) convergence rate, D(n)=round(n!/e) integer identity

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich lagrange-theorem-oq-01: 5 annotations, 6 sections, Sylow history

Adds full annotation coverage and deepens all metadata sections for the
Sylow Theorems as Partial Converse to Lagrange gallery entry.

Annotations added (5):
- ann-lagrange-oq01-lagrange: Lagrange as card_subgroup_dvd_card delegation (lines 34-44)
- ann-lagrange-oq01-existence: First Sylow theorem and p-adic multiplicity (lines 56-67)
- ann-lagrange-oq01-conjugacy: Second Sylow theorem via MulAut.conj (lines 79-82)
- ann-lagrange-oq01-counting: Third Sylow theorem n_p ≡ 1 mod p via orbit counting (lines 94-101)
- ann-lagrange-oq01-converse: Partial converse to Lagrange + Cauchy's theorem (lines 114-123)

Meta enrichments:
- 6 sections covering all 141 lines in 5 parts
- 5th keyInsight: n_p ≡ 1 mod p constraints groups of order pq classification
- Expanded historicalContext: Lagrange 1771, Cauchy 1845, Sylow 1872 (denied
  university post!), A₄ counterexample, Feit-Thompson 1963, classification program
- 3 crossReferences: lagrange-theorem (extends), burnside-lemma (related, orbit-counting
  in Sylow III proof), cauchy-schwarz (related, Cauchy namesake)
- Expanded openQuestions: pq classification, A₄ subgroup 6, Hall's theorem

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich derangements-oq-02-oq-02: 5 annotations, 5 sections, Burnside history

Adds full annotation coverage and deepens all metadata sections for the
Expected Fixed Points of a Random Permutation gallery entry.

Annotations added (5):
- ann-derang-oq02-oq02-concrete: native_decide concrete verifications (lines 51-89)
- ann-derang-oq02-oq02-orbit-stab: Orbit-stabilizer (n-1)! fixing lemma (lines 103-138)
- ann-derang-oq02-oq02-burnside: Burnside's lemma 3-rewrite proof (lines 158-177)
- ann-derang-oq02-oq02-double-counting: sum_fiberwise weighted identity (lines 200-227)
- ann-derang-oq02-oq02-summary: Generating function G_n'(1)=G_n(1)=n! (lines 230-248)

Meta enrichments:
- 5 sections covering all 250 lines
- 5th keyInsight: the original sorry was resolved using card_perms_with_kfixed
  from parent, enabling the step1 fiber rewriting
- Expanded historicalContext: Burnside-Cauchy-Frobenius attribution dispute (Burnside
  himself credited Frobenius), linearity of expectation proof of E[#fixed]=1
- 4 crossReferences: derangements-oq-02 (extends), derangements (related),
  burnside-lemma (uses), lagrange-theorem-oq-01 (related, orbit-stabilizer)
- Expanded openQuestions: higher moments, generating function, Poisson(1)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
…ights

- Add 6 sections covering all 445 lines (header, theta upper bound,
  central binomial + prime divisibility, power bound + pi connection,
  Bertrand lower bounds, binomial lower bound + log corollary)
- Add 5 annotations: Chebyshev 1852 historical overview,
  theta(n) <= n*log(4) via primorial + log_prod,
  prime_in_interval_dvd_centralBinom core divisibility lemma,
  pi(n) >= log2(n) telescoping Bertrand proof,
  central binomial sandwich 4^n/(2n+1) <= C(2n,n) <= 4^n
- Expand keyInsights to 5: add sandwich bound proof details with
  choose_le_middle and primorial_le_4_pow explanation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Automated sync of research iteration counts and problem listings.

Co-authored-by: Claude <noreply@anthropic.com>
… historical context

- 7 sections covering all 254 lines (header, core results, bounded degree, exact degree, stratification, degree 1/monotone, cardinality/filtration)
- 5 annotations: Cantor 1874 overview, one-line proof via Algebraic.countable, degree stratification + alternative proof, bounded vs exact degree filtration structure, cardinal paradox (algebraic ≅ ℚ ≅ ℕ despite proper containment)
- Expanded historicalContext: Cantor's 'height' function approach, Liouville 1844 vs Cantor cardinality argument, pre-1874 lack of known transcendentals
- Added 5th keyInsight: degree 1 = ℚ via isAlgebraic_algebraMap connecting stratification to denumerability

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- 6 sections covering all 599 lines (header, core definitions + cos20, strict hierarchy proof, tool degrees + Mohr-Mascheroni, 2-3 number theory + Pierpont, Poncelet-Steiner + polygon classification)
- 5 annotations: five-level tool hierarchy overview, three_not_dvd_power_of_two arithmetic core, Mohr-Mascheroni/Poncelet-Steiner by rfl, 2-3 number closure + exclusion pattern, Pierpont primes as Fermat prime generalization
- Expanded historicalContext: ancient neusis (Archimedes, Nicomedes), Mohr-Mascheroni 1672/1797, Poncelet-Steiner 1833, Gleason 1988 algebraic characterization, Huzita-Justin 1989/1991
- Added 5th keyInsight: eleven_not_pierpont/eleven_not_two_three via prime divisibility pattern

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
@rjwalters rjwalters merged commit 4d9fdde into main Apr 4, 2026
@rjwalters rjwalters deleted the feature/enricher-1 branch April 4, 2026 23:04
rjwalters added a commit that referenced this pull request Apr 4, 2026
…out-poly, CS-integral, prob-method (#9503)

* Enrich lagrange-theorem-oq-01: 6 annotations, 7 sections, expand historicalContext

- Added 6 annotations covering Lagrange's theorem foundations, Sylow I
  existence+order formula, Sylow II conjugacy, Sylow III counting constraints,
  partial converse to Lagrange, and Cauchy's theorem as corollary
- Added 7 sections covering all proof regions (header, imports, Lagrange,
  Sylow existence, Sylow conjugacy, Sylow counting, partial converse)
- Expanded historicalContext with Sylow (1832-1918) biography, 1872 paper,
  Burnside's systematization, Wielandt's 1959 proof, and classification context
- Added 5th keyInsight about n_p ≡ 1 mod p counting from fixed-point analysis
  and its normality criterion consequence
- Expanded conclusion with Hall's theorem and classification implications

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich kummer-theorem-oq-03: add 5th annotation, header/summary sections

- Added ann-kummer-oq03-specific-rows: covers choose_prime_div and
  choose_prime_sq_div (lines 64-75) with Fermat's little theorem connection
  and Wieferich primes context
- Added header section (lines 1-23) covering research question and references
- Added summary section (lines 92-116) covering fractal structure discussion
- Now 5 annotations with full mathContext/significance/relatedConcepts coverage
- Now 6 sections covering all proof regions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich prob-method-second-moment-oq-01: add header annotation and section

- Added ann-pz-header annotation (lines 1-34): context annotation describing
  the Paley-Zygmund quantitative upgrade over the qualitative second moment
  method, with the classical probabilistic statement in LaTeX
- Added header section (lines 1-34) covering research question and imports
- Now 5 annotations with mathContext/significance/relatedConcepts coverage
- Now 4 sections covering all proof regions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich sylow-theorem: 6 annotations, 7 sections, expand historicalContext/keyInsights

- Added 6 annotations: Sylow I existence+order, Sylow II conjugacy+isomorphism,
  Sylow III counting constraints, normality-uniqueness equivalence, Cauchy's
  theorem, and classification applications (order 15 example)
- Added 7 sections covering all proof regions (imports+header, Sylow structure,
  Sylow I-III, normality, Cauchy, applications)
- Expanded historicalContext with Sylow (1832-1918), Burnside 1897,
  Wielandt 1959, and Wiedijk #72 context
- Added 5th keyInsight about Lean 4's Sylow p G bundled structure type
- Expanded conclusion with Schur-Zassenhaus and classification extensions
- Added cross-reference to lagrange-theorem-oq-01 companion proof

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich sylow-theorem-oq-01: 5 annotations, 7 sections, expand history/insights

- Added 5 annotations: IsPQGroup structure, Sylow q uniqueness (n_q=1 proof),
  Sylow p analysis (coprimality criterion), core 80-line cyclicity proof
  (commutator argument + order product formula), and classification theorem
- Added 7 sections: header, setup/helpers, Sylow q uniqueness, Sylow p analysis,
  cyclic proof, non-abelian classification, concrete examples
- Expanded historicalContext with Burnside 1911, semidirect product
  construction, and order-6/15/21/35 examples
- Added 5th keyInsight about IsPQGroup structure bundling design choice
- Expanded conclusion with semidirect products and p²q classification

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich product-of-segments-of-chords-oq-01: 5 annotations, 5 sections, expand context

- Added 5 annotations: chord quadratic inner product expansion, Vieta product
  formula without explicit roots, opposite sign analysis for interior point,
  power of a point invariance theorem, explicit 3D Sphere3D corollary
- Added 5 sections covering all proof regions (header, chord quadratic, Vieta
  product, power of point, 3D corollary, conclusion)
- Expanded historicalContext with Jakob Steiner (1796-1863) and 'power of a
  point' (Potenz eines Punktes 1826), Greek origins in Euclid Elements III
- Added 5th keyInsight about type-class polymorphism enabling dimension-free proof
- Expanded conclusion with complex Hilbert space and exterior point extensions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich derangements-oq-02-oq-02: add 5 annotations, 7 sections, expand context

- Add 7 sections covering all 250 lines (header, concrete verifications,
  boundary values, orbit-stabilizer lemma, Burnside main theorem,
  weighted partition identity, summary)
- Add 5 annotations: module overview, native_decide witnesses,
  card_perm_fixing_point orbit-stabilizer proof, Burnside's lemma
  application, fiberwise double-counting for weighted identity
- Expand historicalContext: Montmort 1708, de Moivre 1718, Burnside 1897,
  Chen-Stein Poisson(1) limit
- Add 5th keyInsight: native_decide role as computational witness
- Expand conclusion with Poisson approximation open question

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich sylow-theorem-oq-04: add 5 annotations, 7 sections, expand context

- Add 7 sections covering all 277 lines (header, order/factorization,
  Sylow constraints, exact numbers, non-normality, conjugacy class
  decision, simplicity/corollaries)
- Add 5 annotations: A₅ historical significance (Galois 1832,
  Abel-Ruffini, CFSG context), exact Sylow numbers via native_decide,
  Sylow.unique_of_normal reusable pattern, conjugacy class decide proof,
  not-solvable via S₅ short exact sequence
- Expand historicalContext: Jordan 1870 Traité, Burnside 1897, PSL(2,5)
  isomorphism, CFSG connection
- Add 5th keyInsight: Sylow.unique_of_normal → Fintype.card_unique
  contradiction idiom
- Add 3rd openQuestion: PSL(2,p) generalization

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich sylow-theorem-oq-04: add 7 sections, expand historicalContext and keyInsights

- Add 7 sections covering all 277 lines (header, order/factorization,
  Sylow constraints, exact numbers, non-normality, conjugacy class
  decision, simplicity/corollaries)
- Expand historicalContext: Galois 1832, Abel/Ruffini, Jordan 1870
  Traite, Burnside 1897, PSL(2,5) isomorphism, CFSG connection
- Add 5th keyInsight: Sylow.unique_of_normal -> Fintype.card_unique
  contradiction idiom
- Add 3rd openQuestion: PSL(2,p) generalization

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich e-transcendental-oq-01-oq-01: add 5 annotations, 6 sections, expand context

- Add 6 sections covering all 341 lines (header, pi-from-nesterenko,
  exp-pi + gamma-quarter, pi*exp-pi + irrationality,
  Schanuel conditional proofs, summary hierarchy)
- Add 5 annotations: module overview, polynomial lifting technique
  (detailed template proof), e^pi transcendence (Gelfond 1929 via
  Nesterenko 1996), pi*exp-pi composite polynomial trick, Schanuel
  named-axiom pattern for conditional e+pi results
- Expand historicalContext: Hermite 1873, Lindemann 1882, Gelfond 1929,
  Gelfond-Schneider 1934, Nesterenko 1996, Schanuel 1960s
- Add 5th keyInsight: X0*X1 composite polynomial specialization trick
- Add 5th openQuestion: e^e transcendence

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich harmonic-divergence-oq-01: add 5 annotations, 7 sections

- Add 7 sections covering all 253 lines (header, definitions/basics,
  log bounds, Theisinger p-adic, sandwich gap/convergence rate,
  rational exclusion, documented Gamma/Zeta connections)
- Add 5 annotations: 42-theorem overview and open status of γ
  irrationality, sandwich gap explicit convergence rate, Theisinger
  2-adic valuation argument, systematic rational exclusion with 3/5
  noted as unreachable by basic bounds, documented Gamma/Zeta
  connections excluded from >32GB build
- Expand historicalContext was already good; keyInsights already 4
  (no changes needed to overview sections)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* chore(audit): cycle 50 tracker — cantor-diagonalization-oq-02-oq-03-oq-02 audited clean (#9516)

New proof detected (Fodor's Pressing-Down Lemma). Gallery entry exists as
untracked files on disk; Lean file is on feature/researcher-7 (PR #9500).
Meta.json claims match Lean file: 1 sorry (diagInter_isUnbounded) confirmed.
Script false-positive: "sorry mismatch" because Lean file not on main yet.

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich 2 proofs: derangements-convergence, lagrange-theorem-oq-01 (#9515)

* Enrich derangements-convergence: 5 annotations, 6 sections, expanded history

Adds full annotation coverage and deepens all metadata sections for the
Derangements Converge to 1/e gallery entry (Wiedijk #88).

Annotations added (5):
- ann-derang-conv-identity: D(n)=n!·altFactPartialSum strong induction bridge (lines 56-75)
- ann-derang-conv-tsum: Linking e⁻¹ to alternating series via NormedSpace.exp_eq_tsum (lines 86-116)
- ann-derang-conv-nonneg: Parity-splitting induction for alternating series bounds (lines 120-208)
- ann-derang-conv-tail: Passing finite bounds to infinite tail via tendsto limits (lines 210-242)
- ann-derang-conv-main: Composing the full convergence proof chain (lines 246-283)

Meta enrichments:
- 6 sections covering all 284 lines
- 5th keyInsight: tsum_eq_partial_sum_add_tail as technical bridge
- Expanded historicalContext: Montmort 1708, Euler 1751, Leibniz alternating
  series 1682, probabilistic interpretation, Wiedijk #88 significance
- 4 crossReferences: derangements-oq-03-oq-02 (extends), derangements (related),
  e-transcendental (related), prob-method-expectation (related)
- Expanded openQuestions: D_k(n) convergence rate, D(n)=round(n!/e) integer identity

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich lagrange-theorem-oq-01: 5 annotations, 6 sections, Sylow history

Adds full annotation coverage and deepens all metadata sections for the
Sylow Theorems as Partial Converse to Lagrange gallery entry.

Annotations added (5):
- ann-lagrange-oq01-lagrange: Lagrange as card_subgroup_dvd_card delegation (lines 34-44)
- ann-lagrange-oq01-existence: First Sylow theorem and p-adic multiplicity (lines 56-67)
- ann-lagrange-oq01-conjugacy: Second Sylow theorem via MulAut.conj (lines 79-82)
- ann-lagrange-oq01-counting: Third Sylow theorem n_p ≡ 1 mod p via orbit counting (lines 94-101)
- ann-lagrange-oq01-converse: Partial converse to Lagrange + Cauchy's theorem (lines 114-123)

Meta enrichments:
- 6 sections covering all 141 lines in 5 parts
- 5th keyInsight: n_p ≡ 1 mod p constraints groups of order pq classification
- Expanded historicalContext: Lagrange 1771, Cauchy 1845, Sylow 1872 (denied
  university post!), A₄ counterexample, Feit-Thompson 1963, classification program
- 3 crossReferences: lagrange-theorem (extends), burnside-lemma (related, orbit-counting
  in Sylow III proof), cauchy-schwarz (related, Cauchy namesake)
- Expanded openQuestions: pq classification, A₄ subgroup 6, Hall's theorem

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich derangements-oq-02-oq-02: 5 annotations, 5 sections, Burnside history

Adds full annotation coverage and deepens all metadata sections for the
Expected Fixed Points of a Random Permutation gallery entry.

Annotations added (5):
- ann-derang-oq02-oq02-concrete: native_decide concrete verifications (lines 51-89)
- ann-derang-oq02-oq02-orbit-stab: Orbit-stabilizer (n-1)! fixing lemma (lines 103-138)
- ann-derang-oq02-oq02-burnside: Burnside's lemma 3-rewrite proof (lines 158-177)
- ann-derang-oq02-oq02-double-counting: sum_fiberwise weighted identity (lines 200-227)
- ann-derang-oq02-oq02-summary: Generating function G_n'(1)=G_n(1)=n! (lines 230-248)

Meta enrichments:
- 5 sections covering all 250 lines
- 5th keyInsight: the original sorry was resolved using card_perms_with_kfixed
  from parent, enabling the step1 fiber rewriting
- Expanded historicalContext: Burnside-Cauchy-Frobenius attribution dispute (Burnside
  himself credited Frobenius), linearity of expectation proof of E[#fixed]=1
- 4 crossReferences: derangements-oq-02 (extends), derangements (related),
  burnside-lemma (uses), lagrange-theorem-oq-01 (related, orbit-stabilizer)
- Expanded openQuestions: higher moments, generating function, Poisson(1)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich chebyshev-bounds: add 5 annotations, 6 sections, expand keyInsights

- Add 6 sections covering all 445 lines (header, theta upper bound,
  central binomial + prime divisibility, power bound + pi connection,
  Bertrand lower bounds, binomial lower bound + log corollary)
- Add 5 annotations: Chebyshev 1852 historical overview,
  theta(n) <= n*log(4) via primorial + log_prod,
  prime_in_interval_dvd_centralBinom core divisibility lemma,
  pi(n) >= log2(n) telescoping Bertrand proof,
  central binomial sandwich 4^n/(2n+1) <= C(2n,n) <= 4^n
- Expand keyInsights to 5: add sandwich bound proof details with
  choose_le_middle and primorial_le_4_pow explanation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* chore: sync research listings and data (#9519)

Automated sync of research iteration counts and problem listings.

Co-authored-by: Claude <noreply@anthropic.com>

* Enrich algebraic-numbers-countable: 5 annotations, 7 sections, expand historical context

- 7 sections covering all 254 lines (header, core results, bounded degree, exact degree, stratification, degree 1/monotone, cardinality/filtration)
- 5 annotations: Cantor 1874 overview, one-line proof via Algebraic.countable, degree stratification + alternative proof, bounded vs exact degree filtration structure, cardinal paradox (algebraic ≅ ℚ ≅ ℕ despite proper containment)
- Expanded historicalContext: Cantor's 'height' function approach, Liouville 1844 vs Cantor cardinality argument, pre-1874 lack of known transcendentals
- Added 5th keyInsight: degree 1 = ℚ via isAlgebraic_algebraMap connecting stratification to denumerability

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Enrich angle-trisection-oq-04: 5 annotations, 6 sections, expand history

- 6 sections covering all 599 lines (header, core definitions + cos20, strict hierarchy proof, tool degrees + Mohr-Mascheroni, 2-3 number theory + Pierpont, Poncelet-Steiner + polygon classification)
- 5 annotations: five-level tool hierarchy overview, three_not_dvd_power_of_two arithmetic core, Mohr-Mascheroni/Poncelet-Steiner by rfl, 2-3 number closure + exclusion pattern, Pierpont primes as Fermat prime generalization
- Expanded historicalContext: ancient neusis (Archimedes, Nicomedes), Mohr-Mascheroni 1672/1797, Poncelet-Steiner 1833, Gleason 1988 algebraic characterization, Huzita-Justin 1989/1991
- Added 5th keyInsight: eleven_not_pierpont/eleven_not_two_three via prime divisibility pattern

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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