Gorenstein graphic matroids
Combinatorics
2021-11-30 v1 Commutative Algebra
Abstract
The toric variety of a matroid is projectively normal, and therefore it is Cohen-Macaulay. We provide a complete graph-theoretic classification when the toric variety of a graphic matroid is Gorenstein.
Keywords
Cite
@article{arxiv.1905.05418,
title = {Gorenstein graphic matroids},
author = {Takayuki Hibi and Michał Lasoń and Kazunori Matsuda and Mateusz Michałek and Martin Vodička},
journal= {arXiv preprint arXiv:1905.05418},
year = {2021}
}