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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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On the asymptotics of $\Gamma _{q}(z)$ as $q$ approaches $1$
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by Ruiming Zhang PDF
Proc. Amer. Math. Soc. 141 (2013), 1343-1348 Request permission

Abstract:

In this note we give a derivation of the asymptotic main term for the $q$-Gamma function $\Gamma _{q}\left (z\right )$ as $q$ approaches $1$. Our formula is valid for all fixed $z\in \mathbb {C}$ except non-positive integers.
References
  • George E. Andrews, Richard Askey, and Ranjan Roy, Special functions, Encyclopedia of Mathematics and its Applications, vol. 71, Cambridge University Press, Cambridge, 1999. MR 1688958, DOI 10.1017/CBO9781107325937
  • George Gasper and Mizan Rahman, Basic hypergeometric series, Encyclopedia of Mathematics and its Applications, vol. 35, Cambridge University Press, Cambridge, 1990. With a foreword by Richard Askey. MR 1052153
  • Mourad E. H. Ismail, Continuous and Discrete Orthogonal Polynomials. Cambridge University Press, Cambridge, 2005.
  • Leonard Lewin, Polylogarithms and associated functions, North-Holland Publishing Co., New York-Amsterdam, 1981. With a foreword by A. J. Van der Poorten. MR 618278
  • E. T. Whittaker and G. N. Watson, A course of modern analysis. An introduction to the general theory of infinite processes and of analytic functions: with an account of the principal transcendental functions, Cambridge University Press, New York, 1962. Fourth edition. Reprinted. MR 0178117
  • Ruiming Zhang, On asymptotics of $q$-gamma functions, J. Math. Anal. Appl. 339 (2008), no.Β 2, 1313–1321. MR 2377088, DOI 10.1016/j.jmaa.2007.08.006
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Additional Information
  • Ruiming Zhang
  • Affiliation: Institute of Applied Mathematics, College of Science, Northwest A&F University, Yangling, Shaanxi 712100, People’s Republic of China
  • MR Author ID: 257230
  • Email: ruimingzhang@yahoo.com
  • Received by editor(s): October 6, 2010
  • Received by editor(s) in revised form: August 19, 2011
  • Published electronically: September 4, 2012
  • Communicated by: Sergei K. Suslov
  • © Copyright 2012 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 141 (2013), 1343-1348
  • MSC (2010): Primary 33D05; Secondary 33D15
  • DOI: https://doi.org/10.1090/S0002-9939-2012-11407-8
  • MathSciNet review: 3008881