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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: 26-Feb-2013
Publisher: European Mathematical Society
Citation: Journal of Noncommutative Geometry, 2015 (in press)
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 K[subscript: 2].
ISSN: 1661-6952
eISSN: 1661-6960
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Description: Minor changes only. 2010 Mathematics Subject Classification. 16G20, 16S37, 16E05, 16E30
Appears in Collections:Published Articles, Dept. of Mathematics

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