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GO-空间乘积的子空间的广义仿紧性 被引量:1

Generalized Paracompactness of Subspaces in Product of Two GO-spaces
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摘要 20 0 0年 ,数学家 N .Kemoto,K.Tam ano和 Y.Yajima证明了两个特殊的 GO-空间——序数乘积子空间的亚紧性 ,screenability,弱 submetalindelof性是等价的 .本文把这个命题推广到了两个一般的 GO-空间乘积的任意子空间上 ,证明了它们仍然是等价的 . In 2000, mathematicians N.Kemoto, K. Tamano and Y.Yajima proved that metacompactness, screenability and weak submetalindelofness are equivalent for all subspaces of product of two ordinals. Now we will generalize this result and prove that they are also equivalent for all subspaces of product of two GO-spaces.
出处 《数学的实践与认识》 CSCD 北大核心 2003年第3期113-118,共6页 Mathematics in Practice and Theory
关键词 GO-空间 广义仿紧性 子空间 共尾数 基数 拓扑空间 亚紧性 弱submetalindelof性 空间乘积 GO-space metacompactness screenability weak submetalindelofness
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参考文献11

  • 1Kemoto N. Tamano K. Yajima Y. Generalized paracompactness of subspaces in products of two ordinals [J].Topology and its applications. 2000. 104: 155--168.
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同被引文献4

  • 1Kemoto N. Orthocompact subspaces in product of two ordinals[J]. Topology Proceedings, 1997, 22: 247-263.
  • 2Engelking R. General Topology[M]. Poblish Scientific Publishers warszaw, 1977.
  • 3Kuratowski K, Mostowski A. Set Theory[M]. PWN-Polish Scientific Publishers, 1996.
  • 4Erick Van Douwen, David J Lutzer. On the Classification of Stationary Sets[J]. in: Michigan Math J, 1979, 26:47-64.

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