Highest weight modules over quantum queer Lie superalgebra U_q(q(n))

Abstract

In this paper, we investigate the structure of highest weight modules over the quantum queer superalgebra $U_q(q(n))$. The key ingredients are the triangular decomposition of $U_q(q(n))$ and the classification of finite dimensional irreducible modules over quantum Clifford superalgebras. The main results we prove are the classical limit theorem and the complete reducibility theorem for $U_q(q(n))$-modules in the category $O_q^{\ge 0}$.

Definition 1.5 and Definition 6.1 are changed, and a remark is added in the new version

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