paper

Congruences on sums of -binomial coefficients

arXiv:1902.03851 · doi:10.1016/j.aam.2020.102003

Abstract

We establish a -analogue of Sun--Zhao's congruence on harmonic sums. Based on this -congruence and a -series identity, we prove a congruence conjecture on sums of central -binomial coefficients, which was recently proposed by Guo. We also deduce a -analogue of a congruence due to Apagodu and Zeilberger from Guo's -congruence.

11 pages

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