Quantum Drinfeld Hecke Algebras

Details Quantum Drinfeld Hecke Algebras Quantum Drinfeld Hecke Algebras

2011-11-21

arxiv.org/abs/1111.4975v1

Mathematics

Rings and Algebras

29 pages

Scientific paper

We consider finite groups acting on quantum (or skew) polynomial rings. Deformations of the semidirect product of the quantum polynomial ring with the acting group extend symplectic reflection algebras and graded Hecke algebras to the quantum setting over a field of arbitrary characteristic. We give necessary and sufficient conditions for such algebras to satisfy a Poincare-Birkhoff-Witt property using the theory of noncommutative Groebner bases. We include applications to the case of abelian groups and the case of groups acting on coordinate rings of quantum planes. In addition, we classify graded automorphisms of the coordinate ring of quantum 3-space. In characteristic zero, Hochschild cohomology gives an elegant description of the PBW conditions.

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