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Set-valued tableaux and cells of Gelfand-Zetlin polytopes

Smirnov, Evgeny
arXiv (OAI Expanded) · Papers
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algebraic-geometrycombinatorics
Two combinatorial rules are known for the Grassmannian Grothendieck polynomial $G^{(β)}_λ$: a sum over set-valued tableaux of shape $λ$, due to Buch, and a sum over the efficient cells of a cellular decomposition of the Gelfand-Zetlin polytope $GZ(λ)$, due to E. Presnova and the author. All coeffici
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