Certain properties for analytic functions defined by a generalised derivative operator

In this paper, some important properties of analytic functions with negative coefficients defined by a generalised derivative operator are investigated. The properties include the necessary and sufficient conditions, radius of starlikeness, convexity and close-to-convexity.

Detalhes bibliográficos
Main Authors: Aisha Ahmed Amer, Maslina Darus
Formato: Artigo
Idioma:English
Publicado em: Penerbit Universiti Kebangsaan Malaysia 2012
Acesso em linha:http://journalarticle.ukm.my/5922/1/jqma-8-2-makalah4.pdf

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