Starlikeness of Hadamard product of certain analytic functions

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摘要

An interesting criterion was given by Lashin (A.Y. Lashin, Some convolution properties of analytic functions, Appl. Math. Lett. 18 (2005) 135–138) to be starlike for convolution of analytic functions f, g such that in the unit disc U. In this paper we shall improve this criterion.

论文关键词：Hadamard product (or convolution),Subordination,Analytic functions,Starlike functions,Convex functions

论文评审过程：Available online 15 February 2007.

论文官网地址：https://doi.org/10.1016/j.amc.2007.01.098