Differential sandwich theorems involving certain convolution operator

被引：0
|
作者：
Najafzadeh, Shahram [1 ]
Ebadian, Ali [1 ]
机构：
[1] Payame Noor Univ, Dept Math, Tehran, Iran
来源：
STUDIA UNIVERSITATIS BABES-BOLYAI MATHEMATICA | 2012年 / 57卷 / 02期
关键词：
Analytic function; convolution operator; differential subordination; differential superordination; sandwich theorem; best dominant and best subordinant;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In the present paper a certain convolution operator of analytic functions is defined. Moreover, subordination-and superordination-preserving properties for a class of analytic operators defined on the space of normalized analytic functions in the open unit disk is obtained. We also apply this to obtain sandwich results and generalizations of some known results.
引用
收藏
页码：227 / 238
页数：12
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