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This article is cited in 10 scientific papers (total in 10 papers)
An improper integral, the beta function, the Wallis ratio, and the Catalan numbers
Qi Fengabc a Department of Mathematics, College of Science,
Tianjin Polytechnic University,
Tianjin, 300387, China
b College of Mathematics, Inner Mongolia University for Nationalities,
Tongliao, Inner Mongolia, 028043, China
c Institute of Mathematics, Henan Polytechnic University,
Jiaozuo, Henan, 454010, China
Abstract:
In the paper we present closed and unified expressions for a sequence of improper integrals in terms of the beta function and the Wallis ratio. Hereafter, we derive integral representations for the Catalan numbers originating from combinatorics.
Keywords:
improper integral; closed expression; unified expression; beta function; Wallis ratio; integral representation; Catalan number.
Received: 22.01.2018 Revised: 28.04.2018 Accepted: 30.04.2018
Citation:
Qi Feng, “An improper integral, the beta function, the Wallis ratio, and the Catalan numbers”, Probl. Anal. Issues Anal., 7(25):1 (2018), 104–115
Linking options:
https://www.mathnet.ru/eng/pa229 https://www.mathnet.ru/eng/pa/v25/i1/p104
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Abstract page: | 397 | Full-text PDF : | 64 | References: | 26 |
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