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Derivations of Quantum and Involution Generalized Weyl Algebras (2107.14189v1)

Published 29 Jul 2021 in math.QA and math.RA

Abstract: We classify the derivations of degree-one generalized Weyl algebras over a univariate Laurent polynomial ring. In particular, our results cover the Weyl-Hayashi algebra, a quantization of the first Weyl algebra arising as a primitive factor algebra of $U_q+(\mathfrak{so}_5)$, and a family of algebras which localize to the group algebra of the infinite group with generators $x$ and $y$, subject to the relation $xy = y{-1}x.$

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