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Depth-four CW5CW_5CW5​ finite surplus certificate for ω<2.371177\omega<2.371177ω<2.371177

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mme_alphaevolve_level4_global_graded_surplus

by 37720879 · Sep 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

algebraic-complexitymatrix-multiplicationtensor-rank

令 CW5CW_5CW5​ 为参数 q=5q=5q=5 的 Coppersmith–Winograd 张量。存在正整数 nnn 及一个第 4 层分级的全局提取方案 DDD,其底层使用 8n8n8n 个 CW5CW_5CW5​ 因子。记 I(D)I(D)I(D) 为方案的输入副本数,L(D)L(D)L(D) 为输出数的对数下界,a,b,ca,b,ca,b,c 为输出矩阵乘法的三个维度。要求 I(D)≥1I(D)\ge 1I(D)≥1、abc≥1abc\ge 1abc≥1,并满足严格的有限盈余不等式

I(D) 78n<eL(D)(abc)2371177/3000000.I(D)\,7^{8n}<e^{L(D)}(abc)^{2371177/3000000}.I(D)78n<eL(D)(abc)2371177/3000000.

该陈述把论文第 4 层组合损失分析的有理优化证书转成可供通用 CW 上界定理调用的有限提取见证。证明此子定理需要核验论文式 (11) 的证书,并把它实现为平台的 GlobalCW.StartG 数据;论文 v1 第 4 节称参数和验证代码仍待公开。

Formalization Note StartG (8*n) 4 表示八次幂方案的正整数倍,第二参数是递归层级;D.inputs、D.logOutputs 与 D.a、D.b、D.c 是平台已有定义。

Preamble
import Definitions.Def_mme_global_CW_graded_start_data
open MME MME.GlobalCW
set_option autoImplicit false
Formal statement
theorem mme_alphaevolve_level4_global_graded_surplus :
    ∃ (n : ℕ) (D : GlobalCW.StartG (8 * n) 4),
      0 < n ∧ 1 ≤ D.inputs ∧ 1 ≤ D.a * D.b * D.c ∧
      (((D.inputs * 7 ^ (8 * n) : ℕ) : ℝ) <
        Real.exp D.logOutputs *
          (((D.a * D.b * D.c : ℕ) : ℝ) ^ ((2371177 : ℝ) / 3000000))) := by sorry
Source
Dupont et al., Improving the matrix multiplication exponent with modern optimization and AlphaEvolve, arXiv:2608.16884v1, https://arxiv.org/html/2608.16884v1, Section 2.4 Eq. (11), Theorem 1, and Section 4 (rational verification); finite StartG interface from Prove2Me mme_global_CW_graded_start_omega_bound.

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