On a class of Koszul algebras associated to directed graphs
Quantum Algebra
2007-05-23 v1 Combinatorics
Abstract
In math.QA/0506507 I. Gelfand and the authors introduced and studied a new class of algebras associated to directed graphs. In this paper we show that these algebras are Koszul for a large class of layered (i.e. ranked) graphs.
Cite
@article{arxiv.math/0508303,
title = {On a class of Koszul algebras associated to directed graphs},
author = {Vladimir Retakh and Shirlei Serconek and Robert Lee Wilson},
journal= {arXiv preprint arXiv:math/0508303},
year = {2007}
}
Comments
15 pages; AMSTEX