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Invariant Theory of Finite Group Actions on Down-Up Algebras (1308.0579v1)
Published 2 Aug 2013 in math.RA
Abstract: We study Artin-Schelter Gorenstein fixed subrings of some Artin-Schelter regular algebras of dimension 2 and 3 under finite group actions, and prove a noncommutative version of the Kac-Watanabe and Gordeev theorem for these algebras.
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