Commit Graph

4 Commits

Author SHA1 Message Date
gaojie c06c167a0c feat(lean): 复现 LeJEPA Lean4 形式化验证,零 sorry 确认
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- 新增 JEPA/lejepa-identifiability/lean/README.md
  记录完整复现步骤、环境信息与验证状态汇总
  Build completed successfully (8032 jobs),零 sorry 确认
  VERIFIED 18 项 / axiomatized 12 项

- .gitignore 新增 **/.lake/ 排除 Lean 构建缓存(~10 GB)

环境:Lean 4.28.0 + Mathlib v4.28.0 + macOS arm64
2026-06-05 17:32:16 +08:00
gaojie c66855adfc refactor: 将子模块转为普通目录,移除外部 git 依赖
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- 移除 JEPA/lejepa-identifiability 子模块 gitlink
- 移除 research/multiply/MultiPLY 子模块 gitlink
- 删除 .gitmodules(不再有外部 URL 依赖)
- 两个目录内容作为普通文件纳入主仓库追踪
- 删除各自内部 .git 目录,消除嵌套 git 仓库
2026-06-05 17:14:01 +08:00
gaojie b70161f4e5 feat(JEPA/math): 新增专题 VII & VIII,更新 README 与项目分析
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专题 VII — SIGReg 正则化(07_sigreg_regularization.md,760 行)
- 特征函数匹配损失 L_SIG 完整数学推导
- Cramér-Wold 定理证明:切片投影 → 联合高斯
- 切片技巧:256 个随机方向 + 梯形积分(17 节点)
- losses.py:SIGReg 逐行代码解析,张量形状追踪 (V,B,N)→scalar
- vs VICReg 对比:SIGReg 约束全分布,VICReg 仅约束二阶矩

专题 VIII — 线性 ICA:FastICA 与 JADE(08_linear_ica_fastica_jade.md,701 行)
- 盲源分离模型 x=As,非高斯性度量(峰度/负熵/互信息)
- FastICA 不动点迭代推导(三次收敛)
- JADE 四阶累积量张量 + Jacobi 联合对角化(二次收敛)
- Darmois-Skitovich 定理:ICA 可识别性充要条件
- ICA vs LeJEPA 对偶反转:高斯在 ICA 失败,在 LeJEPA 成功

其他变更:
- JEPA/math/README.md:专题表格新增 VII、VIII 行
- project_analysis.md:Session Log 补充 2026-06-05 工作记录
- lejepa-identifiability 子模块:.gitignore 新增 .venv/
2026-06-05 17:06:09 +08:00
gaojie c55f47b287 Add multiple research papers in PDF format to the repository, including recent works on AI and physics, with file sizes ranging from 1.7 MB to 32.3 MB.
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2026-06-02 04:12:38 +08:00