The Application of Generalized Quasi-Hadamard Products of Certain Subclasses of Analytic Functions with Negative and Missing Coefficients

En Ao and Shuhai Li
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En Ao: School of Mathematics and Statistics, Chifeng University, Chifeng 02400, Inner Mongolia, China
Shuhai Li: School of Mathematics and Statistics, Chifeng University, Chifeng 02400, Inner Mongolia, China

Mathematics, 2019, vol. 7, issue 7, 1-10

Abstract: In this paper, we introduce a new generalized differential operator using a new generalized quasi-Hadamard product, and certain new classes of analytic functions using subordination. We obtain certain results concerning the closure properties of the generalized quasi-Hadamard products and the generalized differential operators for this new subclasses of analytic functions with negative and missing coefficients.

Keywords: analytic functions; quasi-Hadamard; differential operator; closure property (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2019
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