The Fekete-Szegö inequality for subclasses of analytic functions related to modified Sigmoid functions

Authors

MUHAMMET KAMALİ
HALİT ORHAN
MURAT ÇAĞLAR

Abstract

In this paper, the authors investigate the initial coefficient bounds for a new generalized subclass of analytic functions related to Sigmoid functions. Also, the relevant connections with the famous classical Fekete?Szegö inequality for these classes are discussed.

DOI

10.3906/mat-1910-85

Keywords

Analytic functions, modified Hadamard product, Sigmoid function, Fekete-Szegö inequality

First Page

1016

Last Page

1026

Recommended Citation

KAMALİ, M, ORHAN, H, & ÇAĞLAR, M (2020). The Fekete-Szegö inequality for subclasses of analytic functions related to modified Sigmoid functions. Turkish Journal of Mathematics 44 (3): 1016-1026. https://doi.org/10.3906/mat-1910-85