Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

Article

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Commun. Korean Math. Soc. 2024; 39(4): 851-858

Online first article October 15, 2024      Printed October 31, 2024

https://doi.org/10.4134/CKMS.c230270

Copyright © The Korean Mathematical Society.

Coefficient bounds using Faber Polynomial for a New Subclass of Meromorphic Bi-Univalent Functions

Thambidurai Janani , Sibel Yalçın

Vellore Institute of Technology; Bursa Uludag University

Abstract

A recently introduced subclass of meromorphic bi-univalent functions class $\Sigma'$ is considered for the study and coefficient estimates $|b_0|, |b_1|$ and $|b_2|$ are determined in the present investigation. Further, the coefficient estimate $|b_n|$ is obtained for functions in the new subclass $\Sigma'$ using Faber polynomials. Various remarks of the results are also specified in generalized form.

Keywords: Bi-univalent functions, meromorphic bi-univalent functions, Faber polynomials, coefficient bounds

MSC numbers: Primary 30C45, 30C50