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Some finite summation formulas involving multivariable hypergeometric polynomials. (English) Zbl 1040.33008

The multinomial theorem is applied in connection with a representation of a multinomial polynomial in order to obtain a general finite summation formula. Specific cases include a finite summation formula for generalized Lauricella polynomials. A second general result is obtained from a multiple series identity. Further results are produced from a multiple sum formula for which the multinomial theorem is a limiting case.
Various special cases involve finite sums of Lauricella functions of r variables, as well as other special functions.

MSC:

33C65 Appell, Horn and Lauricella functions
33C50 Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable
Full Text: DOI

References:

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