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Reduced Wigner coefficients for Lie superalgebra gl(m|n) corresponding to unitary representations and beyond. (arXiv:1705.05956v1 [math-ph])

来源于:arXiv
In this paper fundamental Wigner coefficients are determined algebraically by considering the eigenvalues of certain generalized Casimir invariants. Here this method is applied in the context of both type 1 and type 2 unitary representations of the Lie superalgebra gl(mjn). Extensions to the non-unitary case are investigated. A symmetry relation between two classes of Wigner coefficients is given in terms of a ratio of dimensions. 查看全文>>