A Subclass of Bi-Univalent Functions Defined by Generalized Sãlãgean Operator Related to Shell-Like Curves Connected with Fibonacci Numbers

Gurmeet Singh, Gurcharanjit Singh and Gagandeep Singh

International Journal of Mathematics and Mathematical Sciences, 2019, vol. 2019, 1-7

Abstract:

The aim of this paper is to study certain subclasses of bi-univalent functions defined by generalized Sãlãgean differential operator related to shell-like curves connected with Fibonacci numbers. We find estimates of the initial coefficients and and upper bounds for the Fekete-Szegö functional for the functions in this class. The results proved by various authors follow as particular cases.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:7628083

DOI: 10.1155/2019/7628083

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