Korean J. Math. Vol. 28 No. 1 (2020) pp.137-147
DOI: https://doi.org/10.11568/kjm.2020.28.1.137

On some classes of spiral-like functions defined by the Salagean operator

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Published: Mar 30, 2020
Keywords:
Analytic function, Hadamard product, Starlike function, Salagean differential operator.
Mathematics Subject Classification:
30C45, 30C50

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Mohammad Mehdi Shabani
Department of Mathematics, University of Shahrood Shahrood, Iran.
Saeed Hashemi Sababe
Young Researchers and Elite Club Malard Branch, Islamic Azad University,Malard, Iran.

Abstract

In this paper, we introduce two subclasses of analytic and Spiral-like functions and investigate convolution properties, the necessary and sufficient condition, coefficient estimates and inclusion properties for these classes.


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