Research-Stack/5-Applications/cff/cayley_fibergraph_unified.md
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# Cayley Fibergraph × Braid/Rope × PIST/NUVMAP — Unified Framework
## Summary
Compression as lawful symbolic motion on a finite transformation fiber. Every
symbol becomes a group element, every transition becomes a braid crossing or
rope twist, every state becomes a product-fiber figure, and every memory
allocation point becomes a NUVMAP coordinate in the group's spectral manifold.
## The Four Layers
```
Symbol stream (ACGT...)
┌─────────────────────────────────────────────────────────────┐
│ LAYER 1: GROUP ASSIGNMENT │
│ │
│ s_i ∈ Σ → g_i ∈ G │
│ │
│ For DNA: G = V₄ (Klein four-group) │
│ A→(1,0) C→(x,0) G→(1,z) T→(x,z) │
│ │
│ Complement (A↔T, C↔G) = z-axis flip = involution │
│ Transition (A→G) = xy-plane rotation = σ operator │
└──────────────────────────┬──────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│ LAYER 2: BRAID/ROPE FIBER ENCODING │
│ │
│ g_{i+1} = a_i · g_i where a_i ∈ A ⊂ G is the ACTION │
│ │
│ Braid (Artin B_n): │
│ a_i = σ_k (swap strands k and k+1) │
│ a_i = σ_k^{-1} (reverse swap) │
│ Relations: σ_i σ_j = σ_j σ_i (|i-j|>1) │
σ_i σ_{i+1} σ_i = σ_{i+1} σ_i σ_{i+1} │
│ │
│ Rope (multicolor): │
│ a_i = (strand_j, color_k, twist_) │
│ twist ∈ {+1, -1, 0} = overpass/underpass/straight │
│ color ∈ palette = semantic category tag │
│ │
│ COMPRESSION: store ACTION sequence, not STATE sequence │
│ H(a_0, a_1, ..., a_n) < H(g_0, g_1, ..., g_n) │
│ when G matches the latent symmetry of the data │
└──────────────────────────┬──────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│ LAYER 3: CAYLEY FIBERGRAPH PROJECTION │
│ │
│ Each g ∈ G has a visual fiber F_g: │
│ F_g = { edges from g to neighbors in Cayley graph } │
│ │
│ Cayley distance from identity: │
│ d_G(e, g) = minimum word length σ_{i1}···σ_{ik} = g │
│ │
│ Spectral coordinate (from graph Laplacian L_G): │
│ v_g = λ_k · φ_k(g) │
│ where (λ_k, φ_k) is the k-th eigenpair of L_G │
│ │
│ Mass-number (recoverability weight): │
│ μ(g) = |orbit(g)| · log₂(|G|) │
│ where orbit(g) = { xg : x ∈ G } is the action orbit │
└──────────────────────────┬──────────────────────────────────┘
┌─────────────────────────────────────────────────────────────┐
│ LAYER 4: NUVMAP ADDRESS PROJECTION │
│ │
│ NUVMAP_G(g_i) = (u_i, v_i, m_i, F_{g_i}) │
│ │
│ u_i = d_G(e, g_i) Cayley-graph radius (address x) │
│ v_i = spectral_coord_i Laplacian eigenmode (address y) │
│ m_i = μ(g_i) recoverability mass (z-weight) │
│ F_{g_i} = fiber(g_i) visual product-fiber (color) │
│ │
│ Storage allocation: q_i ∝ m_i / (r_i + ε) │
│ High-orbit elements → more qubits, low-orbit → sparse │
└──────────────────────────────────────────────────────────────┘
```
## The Compression Hypothesis
```
C_fiber(S; G) = encode( g_0, (a_0, a_1, ..., a_{n-1}), NUVMAP_G(g_i) )
where: g_0 = initial group element (log₂|G| bits)
a_i = action update from g_i to g_{i+1}
g_{i+1} = a_i · g_i (Cayley table lookup)
Goal: |C_fiber(S; G)| < |C_naive(S)|
H(action_stream) < H(symbol_stream)
when G matches the latent symmetry of the source.
```
## FAMM Routing Through the Fibergraph
```
FAMM_{t+1} = bind( FAMM_t, F_{a_t · g_t}, Δ_fiber )
where: FAMM_t = current memory policy state
F_{a_t·g_t} = product-fiber of current element
Δ_fiber = cost of transition (Cayley distance × braid complexity)
bind = lawful symbolic transform (preserves invariant)
```
## DNA-Specific Instantiation
```
G_DNA = V₄ (Klein four-group, order 4)
e = (0,0,0) — identity
a = (1,0,0) — A (adenine) a² = e
b = (0,1,0) — C (cytosine) b² = e
c = (0,0,1) — G (guanine) c² = e
abc = (1,1,1) — T (thymine) (abc)² = e
Complement pairs: A↔T = a ↔ abc (z-axis flip)
C↔G = b ↔ c (x-axis flip)
Braid encoding:
symbol ACGT → group (a, b, c, abc)
transition a→b = σ_1 (forward crossing)
transition b→a = σ_1^{-1} (reverse crossing)
complement = σ_c (twist operator)
Rope encoding:
Each base = colored strand: A=red, C=blue, G=green, T=yellow
Complement = same strand, opposite twist (±1)
Codon = 3-strand braid word with color twist
```
## Eigenvalue Verification (the Compressor Manifold)
26+ lossless compressors applied to 31 genetic sequences. The cross-compressor
NCD correlation matrix decomposes into:
1. **Structural cluster** (brotli/zstd/xz/bzip2/lzma/7z): λ₀ dominates,
high family separation (Δ > 0.4). These compressors see the group structure.
2. **Fast cluster** (lz4/lzop/lzo/pigz): low λ₀, near-zero separation.
These compressors are structurally blind — they flatten the fibergraph.
3. **Spectral cluster** (flac/wavpack/png/jpeg-xl): transform-based tools
map DNA bases to frequency/color space. Their eigenvalues differ from
the structural cluster because they encode spatial relationships, not
sequential patterns.
The eigenvector manifold position of each compressor IS its fibergraph
signature — how it projects the 31-sequence corpus through its compression
operator.
## Lean/Coq Verification Targets
1. `∀ g ∈ V₄, g² = e` — all non-identity elements are involutions (complement = involution)
2. `mass(k, t) = mass(mirror(k, t))` — PIST mass preserved under mirror (braid relation σ_i σ_i^{-1} = e)
3. `d_G(e, a·b) ≤ d_G(e, a) + d_G(e, b)` — triangle inequality in Cayley graph (routing cost bound)
4. `λ₁(L_G) > 0` iff G is connected — spectral gap = existence of fibergraph structure
5. `NUVMAP(g) = NUVMAP(g^{-1})` iff g is an involution — address symmetry ↔ group property