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Schur positivity and Schur log-concavity
Thomas Lam, Alexander Postnikov, Pavlo Pylyavskyy
Source abstract
We prove Okounkov's conjecture, a conjecture of Fomin-Fulton-Li-Poon, and a special case of Lascoux-Leclerc-Thibon's conjecture on Schur positivity and give several more general statements using a recent result of Rhoades and Skandera. We also give an intriguing log-concavity property of Schur functions.
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