The Ext algebra of a Brauer graph algebra
EL Green, S Schroll, N Snashall…�- Journal of noncommutative�…, 2017 - ems.press
The Ext algebra of a Brauer graph algebra Page 1 J. Noncommut. Geom. 11 (2017), 537–579
DOI 10.4171/JNCG/11-2-4 Journal of Noncommutative Geometry � European Mathematical
Society The Ext algebra of a Brauer graph algebra Edward L. Green, Sibylle Schroll, Nicole
Snashall, , and Rachel Taillefer 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 10.4171/JNCG/11-2-4 Journal of Noncommutative Geometry � European Mathematical
Society The Ext algebra of a Brauer graph algebra Edward L. Green, Sibylle Schroll, Nicole
Snashall, , and Rachel Taillefer 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�…
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