leanprover-community/mathlib4

The Shapley-Folkman lemma

Ouverte

#14 427 ouverte le 4 juil. 2024

 (12 commentaires) (2 réactions) (1 personne assignée)Lean (1 601 forks)github user discovery
good first issuet-analysis

Métriques du dépôt

Stars
 (3 885 étoiles)
Métriques de merge PR
 (Aucune PR mergée en 30 j)

Description

The Shapley-Folkman lemma is a convex analysis result standard in the economics literature. In contrast, it is basically unheard of in mathematics.

The proof is elementary, and very similar to the proofs of Carathéodory's and Radon's theorems, which should serve as inspiration.

This issue existed in mathlib3 as https://github.com/leanprover-community/mathlib/issues/18135.

Guide contributeur