Michael J. Schlosser and Meesue Yoo

Weight-dependent commutation relations and combinatorial identities

(24 pages)

Abstract. We derive combinatorial identities for variables satisfying specific systems of commutation relations, in particular elliptic commutation relations. The identities thus obtained extend corresponding ones for q-commuting variables x and y satisfying yx = qxy. In particular, we obtain weight-dependent binomial theorems, functional equations for generalized exponential functions, we derive results for an elliptic derivative of quasicommuting variables, and finally study weight-dependent extensions of the Weyl algebra which we connect to rook theory.

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