Problem

erdos:499

True ↔ ∀ (n : ℕ), ∀ M ∈ doublyStochastic ℝ (Fin n), ∃ σ, ↑n ^ (-↑n) ≤ ∏ i, M i (σ i)

Open Current State

Declared status: proved (Lean)
Formalization: formalized
Subjects: combinatorics
OEIS: N/A
Sources: source:erdos-ai-contributions-wikisource:erdos-problemssource:formal-conjecturessource:jayyhk-erdos-leansource:plby-lean-proofs
Statement: www.erdosproblems.com

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