SOME SANDWICH THEOREMS FOR MEROMORPHIC UNIVALENT FUNCTIONS DEFINED BY A NEW HADAMARD PRODUCT OPERATOR

Qasim Ali Shakir; Waggas Galib Atshan

Nonlinear Functional Analysis and Applications Department of Mathematics Education, Kyungnam University, Korea

ISSN (Print) 1229-1595 ISSN (Online) 2466-0973

SOME SANDWICH THEOREMS FOR MEROMORPHIC UNIVALENT FUNCTIONS DEFINED BY A NEW HADAMARD PRODUCT OPERATOR

Authors

Qasim Ali Shakir Department of Computer Science, College of Computer Science and Information Technology, University of Al-Qadisiyah
Waggas Galib Atshan Department of Mathematics, College of Science, University of Al-Qadisiyah

Abstract

The present study develops differential subordination and superordination resultsfor meromorphic univalent functions defined by a novel Hadamard product operator within a punctured open unit disk.