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.
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收藏
页码：1 / 13
页数：13
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