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Two Linear Transformations each Tridiagonal with Respect to an Eigenbasis of the other; Comments on the Parameter Array

机译:关于彼此的本征基础的两个线性变换,每个都是三对角的;关于参数数组的注释

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摘要

We display all the parameter arrays in parametric form. For each array we compute the above polynomials. The resulting polynomials form a class consisting of the q-Racah, q-Hahn, dual q-Hahn, q-Krawtchouk, dual q-Krawtchouk, quantum q-Krawtchouk, affine q-Krawtchouk, Racah, Hahn, dual-Hahn, Krawtchouk, Bannai/Ito, and Orphan polynomials. The Bannai/Ito polynomials can be obtained from the q-Racah polynomials by letting q tend to -1. The Orphan polynomials have maximal degree 3 and exist for char(K) = 2 only. For each of the polynomials listed above we give the orthogonality, 3-term recurrence, and difference equation in terms of the parameter array.
机译:我们以参数形式显示所有参数数组。对于每个数组,我们计算上述多项式。所得多项式形成一个由q-Racah,q-Hahn,对偶q-Hahn,q-Krawtchouk,对偶q-Krawtchouk,量子q-Krawtchouk,仿射q-Krawtchouk,Racah,Hahn,对偶-Hahn,Krawtchouk组成的类,Bannai / Ito和孤立多项式。通过让q趋于-1,可以从q-Racah多项式获得Bannai / Ito多项式。孤立多项式的阶数最大为3,并且仅在char(K)= 2时才存在。对于上面列出的每个多项式,我们根据参数数组给出正交性,3项递归和差分方程。

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