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A characterization of interpolation Macdonald polynomials

Andrei Okounkov

q-algarXiv:q-alg/9712052

Abstract

In this elementary paper we prove that the extra vanishing property characterizes the BC interpolation Macdonald polynomials inside a very general class of multivariate interpolation polynomials. It follows that they are the only polynomials in this class that admit a tableaux sum formula or a q-integral representation.

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