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On certain subclasses of meromorphic univalent functions associated with a differential operator

  • Qazi Zahoor Ahmad , Khalida Inayat Noor and Janusz Sokół EMAIL logo
Published/Copyright: July 21, 2016
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Abstract

In this paper, we define new classes of meromorphic univalent functions defined in the punctured open unit disc by using a differential operator. Some inclusion results and coefficient inequalities for these classes are studied.

MSC 2010: 30C45; 30C10; 47B38

Funding statement: The research was carried out under the HEC project grant No. NRPU No. 20-1966/R & D/11-2553.

Acknowledgements

The authors would like to thank Dr. S. M. Junaid Zaidi, rector of CIIT, for providing excellent research facilities.

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Received: 2014-10-31
Accepted: 2015-10-30
Published Online: 2016-7-21
Published in Print: 2017-12-1

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