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首页> 外文期刊>Journal of Mathematical Analysis and Applications >CERTAIN CLASSES OF MEROMORPHIC FUNCTIONS WITH POSITIVE AND MISSING COEFFICIENTS
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CERTAIN CLASSES OF MEROMORPHIC FUNCTIONS WITH POSITIVE AND MISSING COEFFICIENTS

机译:具有正系数和缺失系数的亚纯函数的某些类

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摘要

The main object of the present paper is to introduce certain novel subclasses of meromorphic functions with positive and missing coefficients and investigate their basic properties including, for example, coefficient estimates, distortion theorem, and the radii of starlikeness and convexity. It is also proved that one of the classes (considered here) is closed under convex linear combinations. The various results obtained in this paper are shown to be sharp. (C) 1995 Academic Press, Inc. [References: 15]
机译:本文的主要目的是介绍某些具有正负系数的亚纯函数的新子类,并研究它们的基本特性,例如,系数估计,畸变定理以及星形和凸形的半径。还证明了其中一个类(在此考虑)在凸线性组合下是封闭的。在本文中获得的各种结果显示是清晰的。 (C)1995 Academic Press,Inc. [参考:15]

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