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arxiv: math/0404063 · v1 · pith:PRHW3DUSnew · submitted 2004-04-04 · 🧮 math.CO

Rational Interpolation and Basic Hypergeometric Series

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keywords interpolationformulaidentitiesnewtonrationalseriesallowsbasic
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We give a Newton type rational interpolation formula (Theorem \ref{theo}). It contains as a special case the original Newton interpolation, as well as the recent interpolation formula of Zhi-Guo Liu, which allows to recover many important classical $q$-series identities. We show in particular that some bibasic identities are a consequence of our formula.

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