VERSIONS OF KOEBE 1/4 THEOREM FOR ANALYTIC AND QUASIREGULAR HARMONIC FUNCTIONS AND APPLICATIONS

被引:4
|
作者
Mateljevic, Miodrag [1 ]
机构
[1] Matemat Fac, Belgrade, Serbia
来源
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D O I
10.2298/PIM0898061M
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we mainly survey results obtained in [MM3]. For example, we give an elementary proof of two versions of Koebe 1/ 4 theoremfor analytic functions (see Theorem 1.2 and Theorem 1.4 below). We also show a version of the Koebe theorem for quasiregular harmonic functions. As an application, we show that holomorphic functions (more generally quasiregular harmonic functions) and their modulus have similar behavior in a certain sense.
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页码:61 / 72
页数:12
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