Vol. 268, No. 1, 2014

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Twisted quantum Drinfeld Hecke algebras

Deepak Naidu

Vol. 268 (2014), No. 1, 173–204
Abstract

We generalize quantum Drinfeld Hecke algebras by incorporating a 2-cocycle on the associated finite group. We identify these algebras as specializations of deformations of twisted skew group algebras, giving an explicit connection to Hochschild cohomology. We classify these algebras for diagonal actions, as well as for the symmetric groups with their natural representations. Our results show that the parameter spaces for the symmetric groups in the twisted setting is smaller than in the untwisted setting.

Keywords
Hochschild cohomology, deformations, skew group algebras, graded Hecke algebras, symplectic reflection algebras
Mathematical Subject Classification 2010
Primary: 16E40, 16S35
Milestones
Received: 24 October 2012
Accepted: 29 May 2013
Published: 21 May 2014
Authors
Deepak Naidu
Department of Mathematical Sciences
Northern Illinois University
DeKalb, Illinois 60115
United States