Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

Article

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Commun. Korean Math. Soc. 2020; 35(3): 867-877

Online first article April 8, 2020      Printed July 31, 2020

https://doi.org/10.4134/CKMS.c190413

Copyright © The Korean Mathematical Society.

Univalent functions with positive coefficients involving Pascal distribution series

Teodor Bulboac\u{a}, Gangadharan Murugusundaramoorthy

Babe\c{s}-Bolyai University; Vellore Institute of Technology

Abstract

The aim of this article is to make a connection between the Pascal distribution series and some subclasses of normalized analytic functions whose coefficients are probabilities of the Pascal distribution. To be more precise, we investigate such connections with the classes of analytic univalent functions with positive coefficients in the open unit disk $\mathbb{U}$.

Keywords: Univalent, starlike functions, and convex functions, Hadamard product, Pascal distribution series, Alexander integral operator

MSC numbers: Primary 30C45