Geodesic
Counting faces of graphical zonotopes
Ars Mathematica Contemporanea, Tome 13 (2017) no. 1, pp. 227-234.

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It is a classical fact that the number of vertices of the graphical zonotope ZΓ  is equal to the number of acyclic orientations of a graph Γ . We show that the f-polynomial of ZΓ  is obtained as the principal specialization of the q-analog of the chromatic symmetric function of Γ .
DOI : 10.26493/1855-3974.1132.fae
Keywords: Graphical zonotope, f-vector, graphical matroid, symmetric function 
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Vladimir Grujić. Counting faces of graphical zonotopes. Ars Mathematica Contemporanea, Tome 13 (2017) no. 1, pp. 227-234. doi : 10.26493/1855-3974.1132.fae. http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.1132.fae/

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