One-dimensional sets and planar sets are aspherical

被引：27
|
作者：
Cannon, JW [1 ]
Conner, GR
Zastrow, A
机构：
[1] Brigham Young Univ, Dept Math, Provo, UT 84602 USA
[2] Univ Gdansk, Inst Math, PL-80952 Gdansk, Poland
来源：
TOPOLOGY AND ITS APPLICATIONS | 2002年 / 120卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
aspherical; planar; homotopy;
D O I：
10.1016/S0166-8641(01)00005-0
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We give a relatively short proof of the theorem that planar sets are aspherical. The first proof of this theorem, by third author Andreas Zastrow, was considerably longer. (C) 2002 Elsevier Science B.V. All rights reserved.
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页码：23 / 45
页数：23
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