Nonvanishing Betti Numbers of Weakly Chordal Graphs
Commutative Algebra
2019-01-01 v1
Abstract
We show that Kimura's necessary and sufficient condition for the non-vanishingness of multigraded Betti numbers of chordal graphs can be extended to the wider class of weakly chordal graphs.
Cite
@article{arxiv.1812.11400,
title = {Nonvanishing Betti Numbers of Weakly Chordal Graphs},
author = {Jose Martinez-Bernal and Oscar A. Piza-Morales},
journal= {arXiv preprint arXiv:1812.11400},
year = {2019}
}