activity
19972008
most citedMatching polytopes, toric geometry, and the non-negative part of the Grassmannian

39 citations · 82 across the 12 of their papers we have counts for

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Showing 2008Show all

2 papers · 1 filter

math.CO2008★ 1 cited

Generalized parking functions, descent numbers, and chain polytopes of ribbon posets

Denis Chebikin, Alexander Postnikov

We consider the inversion enumerator I_n(q), which counts labeled trees or, equivalently, parking functions. This polynomial has a natural extension to generalized parking function…

math.RT2008★ 3 cited

A Gelfand Model for Wreath Products

Ron M. Adin, Alexander Postnikov, Yuval Roichman

A Gelafand model for wreath products is constructed. The proof relies on a combinatorial interpretation of the characters of the model, extending a classical result o…