Key finding: both Goormaghtigh collisions have exact rho=3.0
This follows from the structure:
- Repunit digits are all 1 → collision graph is K_{m,n}
- Spectral radius of K_{m,n} = min(m,n)
- Goormaghtigh constraint m,n>=3 → rho>=3
- Both known collisions have min(m,n)=3 → rho=3
The Goormaghtigh conjecture restated spectrally:
The only integer lattice points on the eigensolid rho=3
in the (m,n) plane with m,n>=3 are (5,3) and (13,3).
Connection to Cartan gap: rho=3 is exact (integer), so the
Cartan floor is irrelevant for distinguishability. But the
Goormaghtigh collisions occupy a unique point in the codebook
that no other equation shares.
The character matrix of the 4 crossing pairs (Z₂⁴) is the fundamental
transform that preserves Sidon geometry while computing Cartan weights:
chi[i][k] = ±1 if strand i is in crossing pair k, 0 otherwise
C_cartan ∝ chi @ chi.T (Gram matrix of characters)
The Gram matrix has EXACTLY the block-diagonal structure of the Cartan:
[1 -1] → [273 256] (same structure, different scale convention)
[-1 1] → [256 273]
docs/transform_series.md: full 4-layer transform documentation
python/character_transform.py: working computation
Key: the character group Z₂⁴ preserves:
• Additive uniqueness → character orthogonality
• Power-of-2 nesting → tensor product Z₂ × Z₂ × Z₂ × Z₂
• Crossing pairs → character eigenvectors
helical_encoding.md §What This Is Not:
- New section explicitly disclaims any biological interpretation of
chiral labels (achiral_stable, chiral_scarred, etc.)
- The DNA ↔ Cartan isomorphism is at the structural level of
complementary pairing, independent of the numerical overlay
cartan_fingerprint.md:
- Same clarification added to the isomorphism section
python/cartan_dna_bridge.py:
- Constructs 8×8 Cartan crossing matrix (block diagonal: 4×2 pairs)
- Each 2×2 block [273 256; 256 273] has eigenvalues {529, 17}
- σ = 273/1792 = 39/256 (normalized diagonal weight)
- τ = 256/1792 = 1/7 (normalized adjacent weight)
- ∆ = (273-256)/1792 = 17/1792 (difference)
- The min nonzero eigenvalue 17 IS the gap numerator
docs/cartan_dna_derivation.md:
- Step-by-step spec for modifying dna_codec.py
- Replace thermodynamic weights with Cartan weights
- Expected output and verification
All derived values match the Lean reference exactly.
The DNA encoder can now witness the spectral gap chain.
CLAIMS_STATUS.md:
- §1: PROVEN (Lean theorems + exact identities)
- §2: COMPUTATIONAL WITNESS (#eval, axioms with receipts)
- §3: STRUCTURAL (proven for n=8, general pending)
- §4: UNPROVEN / EXPLORATORY (not claimed as established)
- §5: ROUTES UNDER INVESTIGATION (Noether, Rossby, E8, Ingest)
- §6: NAMING CONVENTION (theorem/axiom/conjecture/route)
noether_route.md:
- Explicitly framed as 'route under investigation'
- What's proven: Cartan arithmetic (independent of Noether)
- What's proposed: Lagrangian on S⁷ → Noether charges → same integers
- Plausibility arguments: for and against
- Prerequisites: 4-step proof chain
- Risk assessment: high difficulty but nothing reliant on it breaks
The Cartan proof stands independently. Noether is a possible
deepening, not a retroactive justification.
Test harnesses added for all remaining AVM ISA ports:
- C (9 tests): arithmetic, saturation, comparison, overflow, control flow, locals
- C++ (9 tests): same test suite with std::optional-based error handling
- Scala (9 tests): functional style with Option return
- Fortran (4 tests): add, div, saturation, control flow (minimal Fortran test)
- Octave/MATLAB (4 tests): basic operations test
Milestone: 10/12 ports have test harnesses. Coq still pending.
Python port rewritten to match spec:
- Added Q0_16, PUSH_Q0, PUSH_BOOL as separate opcodes
- Added V6 comparison (lt_q16_v6)
- Added floor division (Lean Int.ediv)
- Added stack depth limit (AVM_MAX_STACK = 1024)
- Added type checking in exec_prim
- All 10 tests passing
Go AVM port: added test_avm_test.go with 8 test cases
Milestone: Python → ✅, Go → 🔄
Expands the NR bracket from a pure Cartan-connection lemma to a unified
proposal covering six formerly separate layers:
Core: [mu,mu]_NR = 0 (Layer 2c, new code)
YB: Yang-Baxter integrability via Sidon-disjoint blocks
TL: Temperley-Lieb quotient factorization
Analytic: Eigensolid convergence as the analytic dual
PIST: Same Sidon support separation drives classification gates
VCN: Zero-gap encoding = vanishing NR terms as structural signal
Each connection shows independent work — the specific argument, the
Layer-1 invariant that powers it, and what fails if the mechanism
breaks.
Two key refinements from the fusion panel:
1. 'No axiom needed' → mu is MC in a Sidon-restricted split suboperad
O_split ⊂ C^•(V,V) with forest-structured grafting tree. The
obstruction vanishes not by cancellation but because the operadic
composability graph is totally disconnected — no contraction path
exists across Sidon-disjoint blocks.
2. Theorem renamed to 'Disjoint-operad MC flatness'. Added explicit
O_split definition, operadic non-composability as a separate claim,
and MC membership in O_split rather than the full CE complex.
The correct slogan: MC solution = disconnected operadic forest fixed
point, not MC solution = cancellation inside one connected algebra.
Replaced ad-hoc three-criteria analysis with proper Chevalley-Eilenberg
complex + Nijenhuis-Richardson bracket treatment. Key upgrades:
- Corrected abelian-in-eigenbasis -> weight-graded pre-Lie with vanishing Jacobiator
- Support separation from Sidon uniqueness kills cross NR brackets
- Full Maurer-Cartan equation in NR form: dCE mu + 1/2[mu,mu]_NR = 0
- Obstruction class Ob(mu) = 0 in H^3(V,V) by finite computation
- Counterexample appendix replaced with structural comparison table
Replaced the hand-wavy 'block structure implies MC' claim with the
explicit three criteria - block invariance, spectral separation, and
Sidon non-resonance - each independently verified in Layer 1. Added
the 1015-equation check, the proof that C|_V is pure scalar (sigma-tau
on the zero-mean subspace), and a counterexample showing block structure
alone is insufficient.
Covers the Klein geometry model (G = SO^0(1,6) <-> R^7, H = SO^0(1,6)),
the jet bundle description, soldering/connection decomposition, Sidon
curvature pinning, and the algebraic (synthetic) implementation path.
fisherMetric50 (diagonal) = fisherMetric (bilinear) on full space.
On tangent space, they differ by 1/p_0 cross-term.
Bridge: full-space metric is determined by tangent-space restriction.
chentsov_theorem gives uniqueness on tangent space.
Lifting to full space is standard linear algebra.
chentsov_50 sorry updated with correct SplitEmbedding type
and h_pos hypothesis. Bridge requires chentsov_theorem (3 internal sorries).
979 parameter pairs, 977 distinct repunit values, 2 collision groups.
Only Goormaghtigh solutions have equal repunits.
Closest non-Goormaghtigh: 28× above 10^-6 threshold.
No Baker. No Matveev. Pure integer arithmetic.
Also documents bug in unknown_fails_rrc theorem statement:
h : repunit x m = repunit y n forces threshold = 0,
contradicting ¬mergeAdmissible.
The wall: Baker/Matveev requires transcendence theory (~1000 lines not in Lean).
The replacement: SOS certificates require polynomial arithmetic only.
Key formula:
gap(x,m) = s₀(x,m) + Σᵢ sᵢ(x,m)·gᵢ(x,m)
where sᵢ = Σⱼ qᵢⱼ² (sum of squares)
and gᵢ are BMS domain constraints
Verification: expand and compare. No transcendence theory needed.
No Baker. No Matveev. Pure polynomial arithmetic.
Formula-first: zero English in formulas.
