Some sufficient conditions for univalence

Sukhjit Singh

International Journal of Mathematics and Mathematical Sciences, 1991, vol. 14, 1-5

Abstract:

A new subclass R ( α ) , 0 ≤ α ≤ 1 , of the class S t ( 1 / 2 ) the class of starlike functions of order 1 / 2 is introduced and it is shown that R ( α ) is closed with respect to the Hadamard product of analytic functions. Some sufficient conditions for the normalized regular functions to be univalent in the unit disk E are given.

Date: 1991
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:824364

DOI: 10.1155/S0161171291000856

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