Univalence Criteria and Löwner Chains

Univalence Criteria and Löwner Chains
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单价准则和 Löwner 链

DOI:
10.1112/blms/23.6.563
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发表时间:
1991
影响因子:
0.9
通讯作者:
Th. Betker
Th. Betker
中科院分区:
数学3区
文献类型:
--
作者:
Th. Betker

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设G c C是具有拟共形(quc.)边界曲线dG c C,设X:G->G*=C\G是一个q-quc.DG中的反射,Q=-;定义见[1]。本文讨论了单价和量子的判据。解析(或亚纯)函数在G中的可扩性许多这类判据都是基于显式QC的。由方程I^(Z))=O(z,A(Z))(Zeg.)给出的扩张F,其中®(z,w)=O/z,w)在(z,w)eGxC中是解析的或亚纯的.因为福克斯是感官颠倒的QC。在G中,我们有Dzae,因此在G,k<1中有ae。(·)
Let G c C be a Jordan domain with quasiconformal (quc.) boundary curve dG c C, and let X: G-> G*= C\G be a Q-quc. reflection in dG, Q=-—-; for the definitions, see [1]. This paper is concerned with criteria for the univalence and quc. extensibility of an analytic (or meromorphic) function/in G. Many criteria of this kind are based on explicit quc. extensions F of/given by some equation i^(z))= O (z, A (z))(zeG), where®(z, w)= O/z, w) is analytic or meromorphic in (z, w) eGxC. Since FoX is sense-reversing quc. in G, we have dz ae, and thus ae in G, k< 1.(•)