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The Ext algebra of a Brauer graph algebra
journal contribution
posted on 2015-03-09, 09:37 authored by Edward L. Green, Sibylle Schroll, Nicole Snashall, Rachel TailleferIn 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.
Funding
This work was supported by the Leverhulme Trust in the form of an Early Career Fellowship for the second author. The third author wishes to thank the University of Leicester for granting study leave. The third and fourth authors would like to thank the Université Blaise Pascal (Clermont-Ferrand 2) for a month of invited professorship, during which part of this collaboration took place.
History
Citation
Journal of Noncommutative Geometry, 2017, 11, pp. 537-579.Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of MathematicsVersion
- AM (Accepted Manuscript)
Published in
Journal of Noncommutative GeometryPublisher
European Mathematical Societyissn
1661-6952eissn
1661-6960Copyright date
2017Available date
2015-03-09Publisher DOI
Publisher version
http://www.ems-ph.org/journals/show_abstract.php?issn=1661-6952&vol=11&iss=2&rank=4Notes
2010 Mathematics Subject Classification. 16G20, 16S37, 16E05, 16E30Language
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