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Quantum q-Krawtchouk polynomials

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In mathematics, the quantum q-Krawtchouk polynomials are a family of basic hypergeometric orthogonal polynomials in the basic Askey scheme. Roelof Koekoek, Peter A. Lesky, and René F. Swarttouw (2010, 14) give a detailed list of their properties.

Definition

The polynomials are given in terms of basic hypergeometric functions by

K n q t m ( q x ; p , N ; q ) = 2 ϕ 1 [ q n , q x q N ; q ; p q n + 1 ] n = 0 , 1 , 2 , . . . , N . {\displaystyle K_{n}^{qtm}(q^{-x};p,N;q)={}_{2}\phi _{1}\left\qquad n=0,1,2,...,N.}

References

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