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Series acceleration formulas obtained from experimentally discovered hypergeometric recursions

Authors :
Paul Levrie
John Campbell
Source :
Discrete Mathematics & Theoretical Computer Science, Vol vol. 24, no 2, Iss Analysis of Algorithms (2023)
Publication Year :
2023
Publisher :
Discrete Mathematics & Theoretical Computer Science, 2023.

Abstract

In 2010, Kh. Hessami Pilehrood and T. Hessami Pilehrood introduced generating function identities used to obtain series accelerations for values of Dirichlet's $\beta$ function, via the Markov--Wilf--Zeilberger method. Inspired by these past results, together with related results introduced by Chu et al., we introduce a variety of hypergeometric recurrences. We prove these recurrences using the WZ method, and we apply these recurrences to obtain series acceleration identities. We introduce a family of summations generalizing a Ramanujan-type series for $\frac{1}{\pi^2}$ due to Guillera, and a family of summations generalizing an accelerated series for Catalan's constant due to Lupa\c{s}, and many related results.

Details

Language :
English
ISSN :
13658050
Volume :
. 24, no 2
Issue :
Analysis of Algorithms
Database :
Directory of Open Access Journals
Journal :
Discrete Mathematics & Theoretical Computer Science
Publication Type :
Academic Journal
Accession number :
edsdoj.35697eeaf2944b30a564c35f48efb037
Document Type :
article
Full Text :
https://doi.org/10.46298/dmtcs.9557