On a class of Koszul algebras associated to directed graphs

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.

Saved in:
Bibliographic Details
Published in:arXiv.org 2005-08
Main Authors: Retakh, Vladimir, Serconek, Shirlei, Robert Lee Wilson
Format: Article
Language:English
Subjects:
Logic programming
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary: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.
ISSN:2331-8422