Deforming group actions on Koszul algebras
Rings and Algebras
2016-06-24 v1 Representation Theory
Abstract
We give Braverman-Gaitsgory style conditions for general PBW deformations of skew group algebras formed from finite groups acting on Koszul algebras. When the characteristic divides the order of the group, this includes deformations of the group action as well as of the Koszul relations.
Keywords
Cite
@article{arxiv.1606.07135,
title = {Deforming group actions on Koszul algebras},
author = {Anne V. Shepler and Sarah Witherspoon},
journal= {arXiv preprint arXiv:1606.07135},
year = {2016}
}
Comments
24 pages