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Title: The Ext algebra of a Brauer graph algebra
Authors: Green, Edward L.
Schroll, Sibylle
Snashall, Nicole
Taillefer, Rachel
First Published: 29-Jun-2017
Publisher: European Mathematical Society
Citation: Journal of Noncommutative Geometry, 2017, 11, pp. 537-579.
Abstract: In this paper we study finite generation of the Ext algebra of a Brauer graph algebra by determining the degrees of the generators. As a consequence we characterize the Brauer graph algebras that are Koszul and those that are K2.
DOI Link: 10.4171/JNCG/11-2-4
ISSN: 1661-6952
eISSN: 1661-6960
Version: Post-print
Type: Journal Article
Rights: Copyright © 2017, European Mathematical Society. Deposited with reference to the publisher’s open access archiving policy. (
Description: 2010 Mathematics Subject Classification. 16G20, 16S37, 16E05, 16E30
Appears in Collections:Published Articles, Dept. of Mathematics

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