A. Kasraoui, D. Stanton and J. Zeng
The Combinatorics of Al-Salam-Chihara q-Laguerre polynomials
Abstract. We describe various aspects of the Al-Salam-Chihara q-Laguerre polynomials. These include combinatorial
descriptions of the polynomials, the moments, the orthogonality relation and a combinatorial interpretation of the
linearization coefficients. It is remarkable that the corresponding moment sequence appears also in the recent
work of Postnikov and Williams on enumeration of totally positive Grassmann cells.
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