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Coefficient Estimates for Some Subclasses of Analytic and Bi-Univalent Functions Associated with Conic Domain

Journal: Sahand Communications in Mathematical Analysis (Vol.16, No. 1)

Publication Date:

Authors : ; ; ; ; ;

Page : 69-81

Keywords : Univalent function; Analytic function; Bi-univalent function; Subordination between analytic functions; Starlike and strongly starlike functions; Conic domain;

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Abstract

The main objective of this investigation is to introduce certain new subclasses of the class $Sigma $ of bi-univalent functions by using concept of conic domain. Furthermore, we find non-sharp estimates on the first two Taylor-Maclaurin coefficients $ left vert a_{2}right vert $ and $left vert a_{3}right vert $ for functions in these new subclasses. We consider various corollaries and consequences of our main results. We also point out relevant connections to some of the earlier known developments.

Last modified: 2019-10-14 16:37:35