Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

On Some Classes of Spirallike Functions Defined by the Salagean Operator

Version 1 : Received: 3 May 2019 / Approved: 9 May 2019 / Online: 9 May 2019 (12:31:19 CEST)

A peer-reviewed article of this Preprint also exists.

Journal reference: The Korean Journal of Mathematics 2020, 28, 137-147
DOI: 10.11568/kjm.2020.28.1.137


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


analytic function; Hadamard product; Starlike function; Convex function; Subordination; Salagean differential operator



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