Journal of the
Korean Mathematical Society
JKMS

ISSN(Print) 0304-9914 ISSN(Online) 2234-3008

Article

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J. Korean Math. Soc. 2021; 58(4): 949-965

Online first article June 7, 2021      Printed July 1, 2021

https://doi.org/10.4134/JKMS.j200333

Copyright © The Korean Mathematical Society.

On geometric properties of the Mittag-Leffler and Wright functions

Sourav Das, Khaled Mehrez

National Institute of Technology Jamshedpur; University of Kairouan

Abstract

The main focus of the present paper is to present new set of sufficient conditions so that the normalized form of the Mittag-Leffler and Wright functions have certain geometric properties like close-to-convexity, univalency, convexity and starlikeness inside the unit disk. Interesting consequences and examples are derived to support that these results are better than the existing ones and improve several results available in the literature.

Keywords: Mittag-Leffler function, Wright function, analytic function, univalent function, starlike function, close-to-convex function

MSC numbers: 30C45, 30D15