Finite dimensional Hopf actions on deformation quantizations
Author(s)
Etingof, Pavel I; Walton, Chelsea
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We study when a finite dimensional Hopf action on a quantum formal deformation A of a commutative domain A 0 (i.e., a deformation quantization) must factor through a group algebra. In particular, we show that this occurs when the Poisson center of the fraction field of A 0 is trivial.
Date issued
2016-10Department
Massachusetts Institute of Technology. Department of MathematicsJournal
Proceedings of the American Mathematical Society
Publisher
American Mathematical Society (AMS)
Citation
Etingof, Pavel, and Chelsea Walton. “Finite Dimensional Hopf Actions on Deformation Quantizations.” Proceedings of the American Mathematical Society 145, 5 (October 2016): 1917–1925 © 2016 American Mathematical Society
Version: Final published version
ISSN
0002-9939
1088-6826