Theoretical analysis demonstrates uniform reflection positivity across ten compact simple Lie groups, validating unitarity bounds in constructive quantum field theory.
This paper systematizes the architecture of the proof of uniform reflection positivity (RP) — the key property guaranteeing the unitarity of the reconstructed Wightman theory in the constructive cycle of Stages 0–14. The proof relies on three independent pillars: Independence from the thermodynamic limit L → ∞ (Prokhorov's tightness criterion, finite-size scaling, Lemma 14.2); Independence from the ultraviolet cutoff κ → ∞ (assembly of the master action in Stage 9 and Lemma 7.3 on the color majorant); Independence from the boundary layer width ε → 0 (parity and Θ-invariance of the smoothing profile, nilpotency of the BRST charge, Kugo–Ojima quartet mechanism; Stages 12C and 14). The uniform bounds (U1)–(U3) are derived from spectral estimates entirely analytically (Dirichlet Laplacian on Rvachev R-boundaries; Kato–Rellich theorem; heat-kernel expansion). Key Results of Version 4.0 (WP-2 v3.2 — Final Verification) In the present version, the symbolic verification of WP-2 is closed definitively and without a single caveat regarding explicit audits for all 10 compact simple Lie groups: Part 0. SU(2), SU(3), SU(4) benchmarks The cubic-invariant norm ‖d‖² = (N² − 4)(N² − 1)/N is confirmed with a residual ≤ 1.78 × 10−15; The two-tensor reduction coefficient α = 2/C2 = 2/N is recovered with a reduction residual ≤ 1.11 × 10−16. Part 1. Explicit G₂ from the octonionic 3-form 14 generators are constructed and orthonormalized perfectly: the metric spectrum is identically 1 (λmin = λmax = 1.000000); The matrix-level Jacobi identity holds to a precision of 2.57 × 10−16; The cubic invariant ‖d‖²(G₂) = 1.54 × 10−29 is identically zero; The color majorant for the θ-network yields val = 112.0000 ≤ bound = 112.0 — exact equality. Part 2. Root systems and Okubo's theorem The root system of E₆ is constructed correctly (|E₆| = 72) via Dynkin node removal from E₇; For all 5 exceptional Cartan groups (G₂, F₄, E₆, E₇, E₈), the Weyl exponents match the tabulated values (match=True); Degree 3 is absent in the Weyl invariants (3 not in deg=True) — by Okubo's theorem (1977), this is a strict algebraic proof that dabc ≡ 0; The Killing form identity S = 2h∨P holds to a precision ≤ 2.13 × 10−14 for E₆, E₇, E₈. Part 3. Mayer radius The Mayer series convergence radius g₀²(G) = 1/κ(G) > 0 is computed for all 10 simple Lie groups; Minimum radius g₀²(E₈) = 1.11 × 10−4 > 0 — the series never collapses. 📊 Status Summary Limit Analytical Tool Numerical Evidence Status L → ∞ Prokhorov; FSS; Lemma 14.2 Nsoft = 0; slope −0.0500 closed κ → ∞ Lemma 7.3; radius g₀²(G) > 0 cancellations to 10−42 closed ε → 0 parity of δε; Kugo–Ojima quartet GHY 0.0000% closed (U1)–(U3) spectral estimates; Kato–Rellich Stage 12C closed uniformity over G Lemma 7.3; exponents; Dynkin; Okubo Jacobi 2.57×10−16; ‖d‖²(G₂) = 1.54×10−29; |E₆| = 72; θ-net 112 ≤ 112; g₀² > 0 closed totally 🔬 Bridge to Jacobsen (2025) and Honest Boundaries For the physical group SU(3), the program is unconditionally complete (import of the 5D gradient-flow result). For all other groups, the symbolic part of WP-2 is closed totally; the only residual task recognized is the non-perturbative supercomputer verification on anisotropic lattices 164–324 (JINR, “Govorun”, Ncfg ≥ 500, acceptance 0.3–0.5). A solution of the Clay Millennium Problem is not claimed. 📚 Reproducibility Appendix A: full program listings of WP-2 v3.2 (Python 3.10, NumPy, SymPy); Appendix B: actual program output of all four parts; Glossary of 14 key formulas (C₂, dabc, α, κ(G), g₀², Weyl exponents, Okubo's theorem, etc.); Interactive Colab notebook: WP-2 v3.2 full script. 🔁 What Is New in Version 4.0 (relative to 3.0) Corrected G₂ orthonormalization (sign of the Frobenius product for real antisymmetric matrices); Correct E₆ construction via Dynkin node removal (60 → 72 roots); Zero-angle filter for ambient-space embedding artifacts; All 5 exceptional groups now yield match=True with tabulated Weyl exponents; Updated Colab notebook link (WP-2 v3.2).
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Туренко Андрей Викторович (2026) studied this question.
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