Radius Results for Certain Strongly Starlike Functions-Reference-Cited by-同舟云学术

Radius Results for Certain Strongly Starlike Functions

Published:2023-05-21 Issue:5 Volume:15 Page:1124
ISSN:2073-8994
Container-title:Symmetry
language:en
Short-container-title:Symmetry

Author:

Saliu Afis¹²^ORCID,Jabeen Kanwal³,Xin Qin⁴^ORCID,Tchier Fairouz⁵^ORCID,Malik Sarfraz Nawaz⁶^ORCID

Affiliation:

1. Department of Mathematics, University of the Gambia, MDI Road, Kanifing, Serrekunda P.O. Box 3530, The Gambia

2. Department of Mathematics, Gombe State University, Tudun Wada, Gombe 760253, Nigeria

3. Bright Future International School, Doha P.O. Box 8884, Qatar

4. Faculty of Science and Technology, University of the Faroe Islands, Vestarabryggja 15, FO 100 Torshavn, Faroe Islands, Denmark

5. Mathematics Department, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia

6. Department of Mathematics, COMSATS University Islamabad, Wah Campus, Wah Cantt 47040, Pakistan

Abstract

This article comprises the study of strongly starlike functions which are defined by using the concept of subordination. The function φ defined by φ(ζ)=(1+ζ)λ, 0<λ<1 maps the open unit disk in the complex plane to a domain symmetric with respect to the real axis in the right-half plane. Using this mapping, we obtain some radius results for a family of starlike functions. It is worth noting that all the presented results are sharp.

Publisher

MDPI AG

Subject

Physics and Astronomy (miscellaneous),General Mathematics,Chemistry (miscellaneous),Computer Science (miscellaneous)

Link

https://www.mdpi.com/2073-8994/15/5/1124/pdf

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