Samplinglib
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Statistical Optimal Transport · Appendix A

Convex analysis

Stable source-facing chapter environment inside the shared Samplinglib reader.

scaffoldsource mapFull source closure not claimed
Planned route

Source → theorem map → reusable Lean nodes

01

Source audit

Definitions, theorems, assumptions, proof route, and exact anchors.

02

Upstream alignment

Reuse the canonical convex, coupling, entropy and calculus interfaces. Local source availability is not yet a compatible Lean theorem.

03

Frontier Cells

Only genuinely missing mathematical edges become theorem-sized tasks.

04

Graph placement

Dependencies, consumers, cross-library bridges, and reusable shared interfaces.

Source: printed p. 247 / PDF p. 253 ↗

This page establishes a stable source route and truth boundary; it does not claim a completed formalization.

Mathematical orientation

\[\varphi^*(y)=\sup_x\{\langle x,y\rangle-\varphi(x)\}\]

This appendix is a reusable entry point shared with Chewi optimization. Keep finite-valued versus extended-real conventions explicit; reuse Mathlib and audited formal upstreams instead of adding a separate OT convex-analysis copy.

This is ASTIS orientation, not a verbatim source theorem or a completed formalization. Each theorem needs its own assumptions and source-to-Lean audit.

Section source map

  1. §A.1 · Convexity and conjugates printed p. 247 / PDF p. 253
  2. §A.2 · Smoothness and strong convexity printed p. 250 / PDF p. 256
  3. §A.3 · Quadratic conjugates printed p. 253 / PDF p. 259

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