Chinese Quarterly Journal of Mathematics ›› 1999, Vol. 14 ›› Issue (3): 88-91.

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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.

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

CLC Number: