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Simple weight modules with finite-dimensional weight spaces over Witt superalgebras

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arxiv 2001.04089 v1 pith:OKRFBL4F submitted 2020-01-13 math.RT

classification math.RT
keywords weightalgebramodulesimplefinite-dimensionalmodulesspacessuperalgebra
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abstract

Let $A_{m,n}$ be the tensor product of the Laurient polynomial algebra in $m$ even variables and the exterior algebra in $n$ odd variables over the complex field $\bC$, and the Witt superalgebra $W_{m,n}$ be the Lie superalgebra of superderivations of $A_{m,n}$. In this paper, we classify the simple weight $W_{m,n}$ modules with finite-dimensional weight spaces with respect to the standard Cartan algebra of $W_{m,0}$. Every such module is either a simple quotient of a tensor module or a module of highest weight type.

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