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math.CO2017
Syntactic aspects of hypergraph polytopes
Pierre-Louis Curien, Jovana Obradovic, Jelena Ivanovic
This paper introduces an inductively defined tree notation for all the faces of polytopes arising from a simplex by truncations. This notation allows us to view inclusion of faces…
math.CO2017
A simple permutoassociahedron
Djordje Baralic, Jelena Ivanovic, Zoran Petric
In the early 1990s, a family of combinatorial CW-complexes named permutoassociahedra was introduced by Kapranov, and it was realized by Reiner and Ziegler as a family of convex pol…