Vertex cover algebras of unimodular hypergraphs
Commutative Algebra
2007-05-23 v1 Combinatorics
Abstract
It is proved that all vertex cover algebras of a hypergraph are standard graded if and only if the hypergraph is unimodular. This has interesting consequences on the symbolic powers of monomial ideals.
Cite
@article{arxiv.math/0703577,
title = {Vertex cover algebras of unimodular hypergraphs},
author = {Jurgen Herzog and Takayuki Hibi and Ngo Viet Trung},
journal= {arXiv preprint arXiv:math/0703577},
year = {2007}
}
Comments
6 pages