数学季刊 ›› 1999, Vol. 14 ›› Issue (3): 88-91.

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关于点可数序列领域网

  

  1.  Department of Mathematics,Shangqiu Teacher’s College,Shangqiu,476000; Shangqiu Broadcast and Television University,Shangqiu,476000;  Department of Mathematics,Shangqiu Teacher’s College,Shangqiu,476000

  • 收稿日期:1999-02-26 出版日期:1999-09-30 发布日期:2024-09-18
  • 基金资助:
    Supported by the Natural Science Foundation of Henan Province and by the Scientific research Foundation of Henan Province Education Committee.

On Point countable Sequential Neighborhood Networks 

  1.  Department of Mathematics,Shangqiu Teacher’s College,Shangqiu,476000; Shangqiu Broadcast and Television University,Shangqiu,476000;  Department of Mathematics,Shangqiu Teacher’s College,Shangqiu,476000
  • Received:1999-02-26 Online:1999-09-30 Published:2024-09-18
  • Supported by:
    Supported by the Natural Science Foundation of Henan Province and by the Scientific research Foundation of Henan Province Education Committee.

摘要: In this paper we prove that a space X with point countable sequential neighborhood network if and only if it is α4 space with point countable cs network. 

关键词: Absequential neighborhood, sequential neighborhood network, cs network, α1-space, α4-space

Abstract: In this paper we prove that a space X with point countable sequential neighborhood network if and only if it is α4 space with point countable cs network. 

Key words: Absequential neighborhood, sequential neighborhood network, cs network, α1-space, α4-space

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