Convexity Condition for a Class of Operator  

作　　者：LU Da-qian LIU Jin-lin 

机构地区：[1]Department of Mathematics and Science, Yangzhou University, Yangzhou 225002, China

出　　处：《Chinese Quarterly Journal of Mathematics》2011年第2期185-189,共5页数学季刊（英文版）

基　　金：Supported by the National Natural Science Foundation of Mathematics Tianyuan Fund（A0524629）

摘　　要：In this paper,we find a subclass of starlike functions on the unit disk,which are mapped by a operator,given by F（z）=1＋u/zu∫z0 f（t）tu-1dt（Re u≥0）,onto convex functions.The main results extend some known results.

关 键 词：differential subordination DOMINANT integral operator 

分 类 号：O174.51[理学—数学]