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Open Mathematics

formerly Central European Journal of Mathematics

Editor-in-Chief: Vespri, Vincenzo / Marano, Salvatore Angelo

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Volume 13, Issue 1


Volume 13 (2015)

Upper and lower bounds of integral operator defined by the fractional hypergeometric function

Rabha W. Ibrahim
  • of Computer Science and Information Technology, University Malaya, 50603 Kuala Lumpur, Malaysia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Muhammad Zaini Ahmad / Hiba F. Al-Janaby
Published Online: 2015-11-04 | DOI: https://doi.org/10.1515/math-2015-0071


In this article, we impose some studies with applications for generalized integral operators for normalized holomorphic functions. By using the further extension of the extended Gauss hypergeometric functions, new subclasses of analytic functions containing extended Noor integral operator are introduced. Some characteristics of these functions are imposed, involving coefficient bounds and distortion theorems. Further, sufficient conditions for subordination and superordination are illustrated.

Keywords: Analytic function; Univalent function; Fractional integral operator; Subordination; Superordination; fractional hypergeometric function; Unit disk


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About the article

Received: 2015-07-29

Accepted: 2015-09-10

Published Online: 2015-11-04

Citation Information: Open Mathematics, Volume 13, Issue 1, ISSN (Online) 2391-5455, DOI: https://doi.org/10.1515/math-2015-0071.

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©2015 Ibrahim et al.. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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