Journal
THEORETICAL AND MATHEMATICAL PHYSICS
Volume 212, Issue 1, Pages 918-924Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0040577922070030
Keywords
universal enveloping algebra; Lie algebra; quantum argument shift method; deformation quantization
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In this study, we provide an explicit formula for the first-order quasiderivation of an arbitrary central element in the universal enveloping algebra. We also show that derivations of any two central elements in the universal enveloping algebra are commutative. This contributes to solving the Vinberg problem of finding commutative subalgebras in universal enveloping algebras with the underlying Poisson algebras determined by the argument shift method.
We describe an explicit formula for the first-order quasiderivation of an arbitrary central element of the universal enveloping algebra of a general linear Lie algebra. We apply it to show that derivations of any two central elements of the universal enveloping algebra commute. This contributes to the Vinberg problem of finding commutative subalgebras in universal enveloping algebras with the underlying Poisson algebras determined by the argument shift method.
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