Duality for finite multiple harmonic q-series |
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Authors: | David M Bradley |
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Institution: | Department of Mathematics and Statistics, University of Maine, 5752 Neville Hall, Orono, Maine 04469-5752, USA |
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Abstract: | We define two finite q-analogs of certain multiple harmonic series with an arbitrary number of free parameters, and prove identities for these q-analogs, expressing them in terms of multiply nested sums involving the Gaussian binomial coefficients. Special cases of these identities—for example, with all parameters equal to 1—have occurred in the literature. The special case with only one parameter reduces to an identity for the divisor generating function, which has received some attention in connection with problems in sorting theory. The general case can be viewed as a duality result, reminiscent of the duality relation for the ordinary multiple zeta function. |
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Keywords: | Multiple harmonic series Finite q-analog Gaussian binomial coefficients q-series Duality Multiple zeta values |
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