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The Shapley-Folkman lemma #14427

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YaelDillies opened this issue Jul 4, 2024 · 1 comment
Open

The Shapley-Folkman lemma #14427

YaelDillies opened this issue Jul 4, 2024 · 1 comment
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good first issue Good for newcomers t-analysis Analysis (normed *, calculus)

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@YaelDillies
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YaelDillies commented Jul 4, 2024

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 leanprover-community/mathlib3#18135.

@ndcroos
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ndcroos commented Jul 5, 2024

Hi Yaël, can you assign this to me?

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good first issue Good for newcomers t-analysis Analysis (normed *, calculus)
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