Al-Salam-Chihara $q$ -Laguerre多项式的组合学
The Combinatorics of Al-Salam-Chihara $q$-Laguerre polynomials
摘要:
我们描述了各个方面的铝萨拉姆Chihara $q$拉盖尔多项式。这些包括多项式的组合描述,矩,正交关系和线性化系数的组合解释。值得注意的是,相应的时刻序列也出现在最近的工作Postnikov和威廉姆斯计数完全积极格拉斯曼细胞。
英文摘要:
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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