摘要
弱T:空间X是仿S—闭的当且仅当X是仿近似紧的与极不连通的;正则T1的且满足第二可数公理的局部S—闭空间是仿S—闭空间。
A We8My T2 space is para-s-closed if and only if it is para-nearly compact and extremal-ly disconnected;A T1 regular and second countable locally S-closed space is paras-closed.
出处
《华东交通大学学报》
1994年第1期85-87,共3页
Journal of East China Jiaotong University
关键词
仿S-闭
仿近似紧
极不连通
Para-s-closed
Para-nearly compact
Extremally disconnected