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Face Posets of Tropical Polyhedra and Monomial Ideals

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
Article numberP4.11
<mark>Journal publication date</mark>20/10/2023
<mark>Journal</mark>The Electronic Journal of Combinatorics
Issue number4
Volume30
Number of pages57
Publication StatusPublished
<mark>Original language</mark>English

Abstract

We exhibit several posets arising from commutative algebra, order theory, tropical convexity as potential face posets of tropical polyhedra, and we clarify their inclusion relations. We focus on monomial tropical polyhedra, and deduce how their geometry reflects properties of monomial ideals. Their vertex-facet lattice is homotopy equivalent to a sphere and encodes the Betti numbers of an associated monomial ideal.