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arXiv · 0705.1812

The Cauchy Operator for Basic Hypergeometric Series

Vincent Y. B. Chen·Nancy S. S. Gu
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Abstract

We introduce the Cauchy augmentation operator for basic hypergeometric series. Heine's ${}_2ϕ_1$ transformation formula and Sears' ${}_3ϕ_2$ transformation formula can be easily obtained by the symmetric property of some parameters in operator identities. The Cauchy operator involves two parameters, and it can be considered as a generalization of the operator $T(bD_q)$. Using this operator, we obtain extensions of the Askey-Wilson integral, the Askey-Roy integral, Sears' two-term summation formula, as well as the $q$-analogues of Barnes' lemmas. Finally, we find that the Cauchy operator is also suitable for the study of the bivariate Rogers-Szegö polynomials, or the continuous big $q$-Hermite polynomials.

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Vincent Y. B. Chen, Nancy S. S. Gu. 2007-08-21. The Cauchy Operator for Basic Hypergeometric Series. https://arxiv.org/abs/0705.1812

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