Is a monotone union of contractible open sets contractible?

Ancel Fredric D.; Edwards Robert D.

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Is a monotone union of contractible open sets contractible?

机译：可收缩开放集的单调联合是否可收缩？

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摘要

This paper presents some partial answers to the following question.

机译：本文提出了以下问题的部分答案。

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来源
《Topology and its applications》 |2016年第1期|89-93|共5页
作者
Ancel Fredric D.; Edwards Robert D.;
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作者单位

Univ Wisconsin, Dept Math Sci, Box 413, Milwaukee, WI 53201 USA;

Univ Calif Los Angeles, Dept Math, Box 951555, Los Angeles, CA 90095 USA;

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原文格式 PDF
正文语种 eng
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关键词
Contractibiity; Normal space; Monotone union; Locally compact; sigma-Compact;

机译：收缩性;正常空间;单调并集;局部紧凑;σ紧凑;

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7. Is a monotone union of contractible open sets contractible? [O] . Ancel, Fredric D., Edwards, Robert D. 2016

机译：可收缩开放式单调联合是否可缩小？

Is a monotone union of contractible open sets contractible?

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