INCLUSION AND NEIGHBORHOOD PROPERTIES OF A CERTAIN SUBCLASSES OF P-VALENT FUNCTIONS WITH NEGATIVE COEFFICIENTS

被引：4

作者：

El-Ashwah, R. M. ^{[1
]}

机构：

[1] Mansoura Univ, Fac Sci, Dept Math, Mansoura 35516, Egypt

来源：

FILOMAT | 2009年 / 23卷 / 03期

关键词：

Analytic functions; (n; theta)-neighborhood; non-homogenous differential equation; ANALYTIC-FUNCTIONS; MULTIVALENT-FUNCTIONS; OPERATORS;

D O I：

10.2298/FIL0903001E

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

By means of Ruscheweyh derivative operator, we introduced and investigated two new subclasses of p-valent analytic functions. The various results obtained here for each of these function class include coefficient bounds and distortion inequalities, associated inclusion relations for the (n, theta)-neighborhoods of subclasses of analytic and multivalent functions with negative coefficients, which are defined by means of non-homogenous differential equation.

引用

页码：1 / 13

页数：13

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