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Article . 2024
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Infinite Series involving skew harmonic numbers

Infinite series involving skew harmonic numbers
Authors: Li, Chunli; Chu, Wenchang;

Infinite Series involving skew harmonic numbers

Abstract

There exist many infinite series identities involving harmonic \( H_{n}=\sum_{k=1}^{n}\frac{1}{k}\) and skew-harmonic numbers \( O_{n}=\sum_{k=1}^{n}\frac{1}{2k-1}\) in the literature. In the study [\textit{X. Wang} and \textit{W. Chu}, Rocky Mt. J. Math. 52, No. 5, 1849--1866 (2022; Zbl 1510.11072)], the following open problem was proposed: For \(\lambda \) being a natural number, evaluate the infinite series below in closed form \[ W\left( \lambda \right) :=\sum_{n=1}^{\infty }\binom{2n}{2}^{2}\frac{O_{n}}{ 16^{n}\left( 1+2n-2\lambda \right) ^{2}}. \] The main aim of this study is to give a full solution to this problem. An analytic solution (Theorem 2.4) was achieved by incorporating partial fraction decompositions, recurrence relations and hypergeometric series evaluations, using Catalan constant, harmonic numbers, skew harmonic numbers, and squared central binomial coefficients.

Keywords

Binomial coefficients; factorials; \(q\)-identities, harmonic number, \(\zeta (s)\) and \(L(s, \chi)\), Numerical summation of series, partial fraction decomposition, recurrence relation, central binomial coefficient, hypergeometric series

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These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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