Unmixed bipartite graphs and sublattices of the Boolean lattices
Commutative Algebra
2019-01-11 v1 Combinatorics
Abstract
The correspondence between unmixed bipartite graphs and sublattices of the oolean lattice is discussed. By using this correspondence, we show the existence of squarefree quadratic initial ideals of toric ideals arising from minimal vertex covers of unmixed bipartite graphs.
Keywords
Cite
@article{arxiv.0806.1088,
title = {Unmixed bipartite graphs and sublattices of the Boolean lattices},
author = {Juergen Herzog and Takayuki Hibi and Hidefumi Ohsugi},
journal= {arXiv preprint arXiv:0806.1088},
year = {2019}
}
Comments
5 pages