Boletim da Sociedade Paranaense de Matemática (Oct 2020)

Mapping properties of certain linear operator associated with hypergeometric functions

  • T. Panigrahi,
  • R. El-Ashwah

DOI
https://doi.org/10.5269/bspm.39670
Journal volume & issue
Vol. 39, no. 2

Abstract

Read online

The main object of the present paper is to nd some su¢ cient conditions in terms of hypergeometric inequalities so that the linear operator denoted by Ha;b;c : maps a certain subclass of close-to-convex function R (A;B) into subclasses of k-uniformly starlike and k-uniformly convex functions k 􀀀ST () and k 􀀀UCV() respectively. Further, we consider an integral operator and discuss its properties. Our results generalize some relevant results.