On a Fekete–Szegö Problem Associated with Generalized Telephone Numbers-Reference-Cited by-同舟云学术

On a Fekete–Szegö Problem Associated with Generalized Telephone Numbers

Published:2023-07-27 Issue:15 Volume:11 Page:3304
ISSN:2227-7390
Container-title:Mathematics
language:en
Short-container-title:Mathematics

Author:

Breaz Daniel¹,Wanas Abbas²^ORCID,Sakar Fethiye³,Aydoǧan Seher⁴

Affiliation:

1. Department of Mathematics, “1 Decembrie 1918” University of Alba-Iulia, 510009 Alba Iulia, Romania

2. Department of Mathematics, University of Al-Qadisiyah, Al Diwaniyah 58001, Al-Qadisiyah, Iraq

3. Department of Management, Dicle University, Diyarbakir 21280, Turkey

4. Department of Mathematics, Istanbul Technical University, Istanbul 34469, Turkey

Abstract

One of the important problems regarding coefficients of analytical functions (i.e., Fekete–Szegö inequality) was raised by Fekete and Szegö in 1933. The results of this research are dedicated to determine upper coefficient estimates and the Fekete–Szegö problem in the class WΣ(δ,λ;ϑ), which is defined by generalized telephone numbers. We also indicate some specific conditions and consequences of results found by us.

Publisher

MDPI AG

Subject

General Mathematics,Engineering (miscellaneous),Computer Science (miscellaneous)

Link

https://www.mdpi.com/2227-7390/11/15/3304/pdf

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