Strongly Koszul edge rings
Commutative Algebra
2016-02-02 v2
Abstract
We classify the finite connected simple graphs whose edge rings are strongly Koszul. From the classification, it follows that if the edge ring is strongly Koszul, then its toric ideal possesses a quadratic Gr\"obner basis.
Cite
@article{arxiv.1310.7476,
title = {Strongly Koszul edge rings},
author = {Takayuki Hibi and Kazunori Matsuda and Hidefumi Ohsugi},
journal= {arXiv preprint arXiv:1310.7476},
year = {2016}
}
Comments
7 pages, 1 figure, Notation is improved, Typos are corrected