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Counting faces of graphical zonotopes

Published 23 Apr 2016 in math.CO | (1604.06931v2)

Abstract: It is a classical fact that the number of vertices of the graphical zonotope $Z_\Gamma$ is equal to the number of acyclic orientations of a graph $\Gamma$. We show that the $f$-polynomial of $Z_\Gamma$ is obtained as the principal specialization of the $q$-analog of the chromatic symmetric function of $\Gamma$.

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Authors (1)

  1. Vladimir Grujić 

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