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feat: partitionFunctionΛ regularity at general h (Λ-layer wrappers, §18.6, Issue #1499) - #1541

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feat: partitionFunctionΛ regularity at general h (Λ-layer wrappers, §18.6, Issue #1499)#1541
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Part of #1499. Λ-layer wrappers for PR #1540.

phasetr and others added 2 commits May 3, 2026 06:14
…18.6, Issue #1499)

Empty start. Λ-layer wrappers for PR #1540's per-direction continuity / differentiability.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…18.6, Issue #1499)

Add Λ-layer wrappers in `IsingModel/AmbientLattice/Analyticity.lean`
for the per-direction Continuous + Differentiable theorems from PR
#1540:

- `partitionFunctionΛ_continuous_beta_general_h` and
  `_differentiable_beta_general_h`
- `partitionFunctionΛ_continuous_J_general_h` and
  `_differentiable_J_general_h`
- `partitionFunctionΛ_continuous_h` and `_differentiable_h`

Each is a thin wrapper around the corresponding theorem on
`inducedGraph G Λ`. Completes the regularity hierarchy for
partitionFunctionΛ at general h.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@phasetr
phasetr marked this pull request as ready for review May 2, 2026 21:15
@phasetr
phasetr merged commit 2a002bb into main May 2, 2026
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phasetr deleted the feat/ambient-partition-cont-diff-general-h branch May 2, 2026 21:20
phasetr added a commit that referenced this pull request May 4, 2026
Brings the public progress table (`docs/index.md`) and proof guide
(`tex/proof-guide.tex`) up to date with the 44 PRs (#1517-#1566)
merged in the 2026-05-03/04 session.

§18.4 row: appends Phase B base cases (K_3, K_4, pathGraph 3-8,
cycleGraph 3-7) and the polymerFreeEnergy / vdSum / ε iff·strict·
sandwich theorem clusters with PR pointers. The general K_n formula
and n ≥ 9 cases remain blocked on chromatic-polynomial /
matrix-tree-theorem machinery not yet in Mathlib.

§18.6 row: appends the general-h capstone (β/J/h directions, joint,
Λ-layer, correlation, gibbsExpectation) — PRs #1528-#1541.

`tex/proof-guide.tex`: adds a new section "Cluster (polymer / Mayer)
expansion (§18.4-§18.7)" summarising the polymer-family identity,
Mayer/Ursell infrastructure (Steps 576-615), Phase B base cases,
polymer-free-energy bounds and characterisations, the §18.6 general-h
analyticity capstone, and the §18.7 high-temperature exponential-decay
result.

No Lean source changes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
phasetr added a commit that referenced this pull request May 4, 2026
* chore: open doc-sync PR for #1517-#1566 (Part of #1344)

* docs: sync §18.4 / §18.6 / §18.7 status for PRs #1517-#1566

Brings the public progress table (`docs/index.md`) and proof guide
(`tex/proof-guide.tex`) up to date with the 44 PRs (#1517-#1566)
merged in the 2026-05-03/04 session.

§18.4 row: appends Phase B base cases (K_3, K_4, pathGraph 3-8,
cycleGraph 3-7) and the polymerFreeEnergy / vdSum / ε iff·strict·
sandwich theorem clusters with PR pointers. The general K_n formula
and n ≥ 9 cases remain blocked on chromatic-polynomial /
matrix-tree-theorem machinery not yet in Mathlib.

§18.6 row: appends the general-h capstone (β/J/h directions, joint,
Λ-layer, correlation, gibbsExpectation) — PRs #1528-#1541.

`tex/proof-guide.tex`: adds a new section "Cluster (polymer / Mayer)
expansion (§18.4-§18.7)" summarising the polymer-family identity,
Mayer/Ursell infrastructure (Steps 576-615), Phase B base cases,
polymer-free-energy bounds and characterisations, the §18.6 general-h
analyticity capstone, and the §18.7 high-temperature exponential-decay
result.

No Lean source changes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs: correct §18.6 h-direction theorem names + #1557 PR mapping

Codex cross-check found two issues:

1. docs/index.md §18.6 row used `freeEnergy_analyticAt_h_general_h`
   but the actual theorem in source is named `freeEnergy_analyticAt_h`
   (no `_general_h` suffix); the global form is
   `freeEnergy_analyticOnNhd_h`. The β/J directions correctly use
   the `_general_h` suffix.

2. tex/proof-guide.tex §18.4 cluster-expansion paragraph cited
   PR #1557 next to the prose `vdPolymerFamilies_sum = 1 iff no
   polymers`, but PR #1557 is `_eq_one_iff_eps_eq_zero` and
   `_gt_one_iff_eps_pos` (the ε-based iff pair). Replaced the
   prose with the explicit theorem names.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
phasetr added a commit that referenced this pull request May 4, 2026
Lifts eight abstract partitionFunction _h_zero regularity
theorems to all 4 volume layers (Λ, along-ex, ℤ^d Λ, ℤ^d
along-ex):
- `partitionFunction_continuous_beta_h_zero`
- `partitionFunction_continuous_J_h_zero`
- `partitionFunction_differentiable_beta_h_zero`
- `partitionFunction_differentiable_J_h_zero`
- `partitionFunction_analyticAt_beta_h_zero`
- `partitionFunction_analyticAt_J_h_zero`
- `partitionFunction_analyticOnNhd_beta_h_zero`
- `partitionFunction_analyticOnNhd_J_h_zero`

Bundle contents: 32 new theorems (8 abstracts × 4 layers).

These provide polymer-expansion-derived h_zero regularity of
`Z(J, 0, β)` in β / J at every volume layer, complementing the
existing general-h wrappers (PR #1541).

`docs/index.md` §18.6 row + `tex/proof-guide.tex` updated.

`lake build` clean (zero linter warnings); `grep -rn "sorry"
IsingModel/` = 0; `lake exe GKSTest` passes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
phasetr added a commit that referenced this pull request May 4, 2026
…undle (#1608)

* wip: §18.6 partitionFunction h_zero regularity 4-layer wraps

* feat: §18.6 partitionFunction h_zero regularity 4-layer wraps

Lifts eight abstract partitionFunction _h_zero regularity
theorems to all 4 volume layers (Λ, along-ex, ℤ^d Λ, ℤ^d
along-ex):
- `partitionFunction_continuous_beta_h_zero`
- `partitionFunction_continuous_J_h_zero`
- `partitionFunction_differentiable_beta_h_zero`
- `partitionFunction_differentiable_J_h_zero`
- `partitionFunction_analyticAt_beta_h_zero`
- `partitionFunction_analyticAt_J_h_zero`
- `partitionFunction_analyticOnNhd_beta_h_zero`
- `partitionFunction_analyticOnNhd_J_h_zero`

Bundle contents: 32 new theorems (8 abstracts × 4 layers).

These provide polymer-expansion-derived h_zero regularity of
`Z(J, 0, β)` in β / J at every volume layer, complementing the
existing general-h wrappers (PR #1541).

`docs/index.md` §18.6 row + `tex/proof-guide.tex` updated.

`lake build` clean (zero linter warnings); `grep -rn "sorry"
IsingModel/` = 0; `lake exe GKSTest` passes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
phasetr added a commit that referenced this pull request May 4, 2026
…along-ex + ℤ^d wraps

Lifts eight abstract regularity theorems to the missing
along-exhaustion + ℤ^d (Λ + along-ex) layers (Λ-layer wraps
already exist via PR #1541, #1533):
- `partitionFunction_continuous_beta_general_h`
- `partitionFunction_continuous_J_general_h`
- `partitionFunction_differentiable_beta_general_h`
- `partitionFunction_differentiable_J_general_h`
- `partitionFunction_continuous_h`
- `partitionFunction_differentiable_h`
- `freeEnergy_continuous_joint`
- `freeEnergy_differentiable_joint`

Bundle contents: 24 new theorems (8 abstracts × 3 missing layers).

`docs/index.md` §18.6 row + `tex/proof-guide.tex` updated.

`lake build` clean (zero linter warnings); `grep -rn "sorry"
IsingModel/` = 0; `lake exe GKSTest` passes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
phasetr added a commit that referenced this pull request May 4, 2026
…along-ex + ℤ^d wraps GJ-命題-bundle (#1611)

* wip: §18.6 partitionFunction/freeEnergy continuous/differentiable along-ex + ℤ^d wraps

* feat: §18.6 partitionFunction/freeEnergy Continuous + Differentiable along-ex + ℤ^d wraps

Lifts eight abstract regularity theorems to the missing
along-exhaustion + ℤ^d (Λ + along-ex) layers (Λ-layer wraps
already exist via PR #1541, #1533):
- `partitionFunction_continuous_beta_general_h`
- `partitionFunction_continuous_J_general_h`
- `partitionFunction_differentiable_beta_general_h`
- `partitionFunction_differentiable_J_general_h`
- `partitionFunction_continuous_h`
- `partitionFunction_differentiable_h`
- `freeEnergy_continuous_joint`
- `freeEnergy_differentiable_joint`

Bundle contents: 24 new theorems (8 abstracts × 3 missing layers).

`docs/index.md` §18.6 row + `tex/proof-guide.tex` updated.

`lake build` clean (zero linter warnings); `grep -rn "sorry"
IsingModel/` = 0; `lake exe GKSTest` passes.

Part of #1344.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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