Multivariate Meixner polynomials related to holomorphic discrete series representations of SU(1,d)
Wolter Groenevelt (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Joop Vermeulen (Eindhoven University of Technology)
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Abstract
We show that Griffiths’ multivariate Meixner polynomials occur as matrix coefficients of holomorphic discrete series representations of the group SU(1,d). Using this interpretation we derive several fundamental properties of the multivariate Meixner polynomials, such as orthogonality relations and difference equations. Furthermore, we also show that matrix coefficients for specific group elements lead to degenerate versions of the multivariate Meixner polynomials and their properties.
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