On certain properties of some subclasses of univalent functions

被引:0
|
作者
Obradovic, Milutin [1 ]
Tuneski, Nikola [2 ]
机构
[1] Univ Belgrade, Fac Civil Engn, Dept Math, Bulevar Kralja Aleksandra 73, Belgrade 11000, Serbia
[2] Ss Cyril & Methodius Univ Skopje, Fac Mech Engn, Dept Math & Informat, Karpos 2 bb, Skopje 1000, North Macedonia
来源
关键词
Univalent; inverse functions; coefficients; sharp bound;
D O I
10.24193/subbmath.2023.4.06
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper we determine the disks |z| < r <= 1 where for different classes of univalent functions, we have the property Re {2zf '(z)/f(z) - zf"(z)/f'(z)} > 0 (|z| < r).
引用
收藏
页码:767 / 773
页数:7
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