On Nehari disks and the inner radius
On Nehari disks and the inner radius
复制标题
在 Nehari 圆盘和内半径上
DOI:
10.1007/pl00000377
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发表时间:
2001
影响因子:
0.9
通讯作者:
L. M. Wieren
中科院分区:
文献类型:
--
作者:
L. M. Wieren
Let D be a simply connected plane domain and B the unit disk. The inner radius of D,, is defined by $ \sigma ({\rm D}) = {\rm sup}\left\{a: a \geq 0, \Vert{\rm S}_{f}\Vert_{\rm D} \le a\,{\rm implies}\,f\, {\rm is\,univalent\,in\,D} \right\} $. Here Sfis the Schwarzian derivative off,the hyperbolic density on D and. Domains for which the value ofis known include disks, angular sectors and regular polygons, as well as certain classes of rectangles and equiangular hexagons. All of the mentioned domains except non-convex angular sectors have an interesting property in common, namely that, wherehmaps B conformally onto D. Because of the importance of this property for computing, we say that D is a Nehari disk ifholds.¶This paper is devoted to the problem of characterizing Nehari disks. We give a necessary and sufficient condition for a domain to be a Nehari disk provided it is a regulated domain with convex corners.
DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
L. Lui;H. Shiga and Z. Sun;H. Shiga;H. Shiga;H. Shiga;H. Shiga;H. Shiga;H. Shiga;H. Shiga;H. Shiga
通讯作者:
H. Shiga