Coefficient estimates for a subclass of meromorphic bi-univalent functions defined by subordination

Authors

  • Ebrahim ANALOUEI ADEGANI Faculty of Mathematical Sciences, Shahrood University of Technology P.O.Box 316-36155, Shahrood, Iran, e-mail: analoey.ebrahim@gmail.com https://orcid.org/0000-0001-9176-3932
  • Ahmad MOTAMEDNEZHAD Faculty of Mathematical Sciences, Shahrood University of Technology P.O.Box 316-36155, Shahrood, Iran, e-mail: a.motamedne@gmail.com https://orcid.org/0000-0001-6844-129X
  • Serap BULUT Kocaeli University, Faculty of Aviation and Space Sciences Arslanbey Campus, 41285 Kartepe-Kocaeli, Turkey, e-mail: serap.bulut@kocaeli.edu.tr https://orcid.org/0000-0002-6506-4588

DOI:

https://doi.org/10.24193/subbmath.2020.1.05

Keywords:

Coefficient estimates, Faber polynomial expansion, meromorphic functions, subordinate.

Abstract

In this work, we use the Faber polynomial expansion by a new method to find upper bounds for |bn| coefficients for meromorphic bi-univalent functions class Σ/ which is defined by subordination. Further, we generalize and improve some of the previously published results.

Mathematics Subject Classification (2010): 30C45, 30C50.

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Published

2020-03-06

How to Cite

ANALOUEI ADEGANI , E., MOTAMEDNEZHAD, A., & BULUT , S. (2020). Coefficient estimates for a subclass of meromorphic bi-univalent functions defined by subordination. Studia Universitatis Babeș-Bolyai Mathematica, 65(1), 57–66. https://doi.org/10.24193/subbmath.2020.1.05

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