Solimit Points and u-Extensions

被引:5
|
作者
Ershov, Yu. L. [1 ,2 ]
机构
[1] Sobolev Inst Math, Pr Akad Koptyuga 4, Novosibirsk 630090, Russia
[2] Novosibirsk State Univ, Ul Pirogova 1, Novosibirsk 630090, Russia
关键词
solimit point; topological T-0-space; sober space; sobrification;
D O I
10.1007/s10469-017-9450-9
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We give a characterization of u-extensions of topological T-0-spaces and also of sober spaces using a new concept of a solimit point. It is shown that the sobrification of an arbitrary T-0-space coincides with its greatest u-extension.
引用
收藏
页码:295 / 301
页数:7
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