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Meso紧空间及次meso紧空间的Tychonoff乘积 被引量:2

Tychonoff product on mesocompact spaces and subnesocompact spaces
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摘要 该文主要证明了如下结果:引理在ω<ω。上存在一个滤子满足:对于每个次meso紧空间X和X的每个开覆盖,存在的开加细序列使得对于任何紧子集.有.定理设X是正则meso紧(次meso紧)空间,Y是meso紧(次meso紧)空间,如果PlayerI在G(DC,X)中有必胜策略。 The following results are proved. Lemma the is a filter on <ω satisfying: For every submesocmpact space X and every open cover of X, there is a sequence of open refinernents of such that for every K∈(X), Theorem Let X be a regular submesocmpact space and Y a submesocompact space. If Player I has a winning straegy in G(DC, X), then X×Y is mesocompact(submesocompact).
作者 黄蕴魁
出处 《西南师范大学学报(自然科学版)》 CAS CSCD 北大核心 1999年第6期615-622,共8页 Journal of Southwest China Normal University(Natural Science Edition)
关键词 滤子 MESO紧空间 TYCHONOFF乘积 次meso紧空间 filter mesocompact submesocompact the sequence of compact θ-refinement the sequence of compact W-refinement compact finite winning strategy
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参考文献3

  • 1Zhu Peiyong,Northeast Math J,1993年,9卷,3期,395页
  • 2蒋继光,一般拓扑学专题选讲,1991年
  • 3Kao Kuoshih,Proc Amer Math Soc,1983年,89卷,2期,355页

同被引文献18

  • 1朱培勇.强次亚紧和遗传次亚紧的σ-积[J].四川大学学报(自然科学版),1997,34(2):128-132. 被引量:3
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  • 10Kunen K. Set theorey, An Introduction to Independence Proofs[M]. Amsterdam: North-Holland, 1980.

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