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arxiv: 1205.6336 · v1 · pith:A6GWHJT7new · submitted 2012-05-29 · 🧮 math.CO

Number of vertices in Gelfand-Zetlin polytopes

classification 🧮 math.CO
keywords gelfand-zetlinpolytopesverticesnumberclassescoefficientsconstantcounting
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We discuss the problem of counting vertices in Gelfand-Zetlin polytopes. Namely, we deduce a partial differential equation with constant coefficients on the exponential generating function for these numbers. For some particular classes of Gelfand-Zetlin polytopes, the number of vertices can be given by explicit formulas.

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