Coefficient Bounds and Fekete–Szegö Inequalities for a Two Families of Bi-Univalent Functions Related to Gegenbauer Polynomials

Coefficient Bounds and Fekete–Szegö Inequalities for a Two Families of Bi-Univalent Functions Related to Gegenbauer Polynomials

The purpose of this article is to introduce and study certain families of normalized certain functions with symmetric points connected to Gegenbauer polynomials. Moreover, we determine the upper bounds for the initial Taylor–Maclaurin coefficients <inline-formula><math xmlns="http://ww...

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Bibliographic Details
Main Authors: Yahya Almalki, Abbas Kareem Wanas, Timilehin Gideon Shaba, Alina Alb Lupaş, Mohamed Abdalla
Format: Article
Language:English
Published: MDPI AG 2023-10-01
Series:Axioms
Subjects:
coefficient estimates
Gegenbauer polynomial
bi-univalent function
Fekete–Szegö problem
Online Access:https://www.mdpi.com/2075-1680/12/11/1018

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