A₅ Symmetry and Golden Ratio Unify Icosahedral Lepton Mixing — E8 Intelligence Research
Year: 2026
Type: preprint
Abstract: FINDING: Icosahedral symmetry (A₅) is a simple group, dual to dodecahedron, generated by three mutually orthogonal golden rectangles; its lepton-mixing predictions tie A₅ to the golden ratio. | MATH: A₅ ≅ rotational icosahedral group, |A₅| = 60, simple (no nontrivial normal subgroups). Golden ratio φ = (1+√5)/2 ≈ 1.618; its conjugate φ⁻¹ = (√5−1)/2 ≈ 0.618. Three golden rectangles (aspect φ:1) intersect orthogonally to define the 12 vertices of the icosahedron. Dodecahedron–icosahedron duality: V_ico = 12, F_ico = 20, E = 30; dual swaps V↔F. Solar neutrino mixing angles predicted via A₅ family symmetry yield sin²θ₁₂ ≈ 1/(2+φ) ≈ 0.276 (or related golden-ratio expressions) — see arXiv:0812.1057. | CONNECTION: Golden ratio φ and φ⁻¹ appear as the fundamental edge/vertex ratios; A₅ is the symmetry of the icosahedron, whose Coxeter–Dynkin diagram H₃ has edge labels 5 (φ-related). The icosahedron's 6 fivefold axes correspond to 6 golden rectangles; 10 threefold axes, 15 twofold axes — these Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com
Author: Caldin, Andrew Stewart
Language: English
Subfield: Statistical and Nonlinear Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7222896757
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