A disjointly tight irresolvable space

被引：1
|
作者：
Bella, Angelo [1 ]
Hrusak, Michael [2 ]
机构：
[1] Univ Catania, Dept Math & Comp Sci, Viale A Doria 6, I-95125 Catania, Italy
[2] Univ Nacl Autonoma Mexico, Ctr Ciencias Matemat, Campus Morelia, Morelia 58089, Michoacan, Mexico
来源：
APPLIED GENERAL TOPOLOGY | 2020年 / 21卷 / 02期
关键词：
irresolvable; disjointly tight; empty interior tightness;
D O I：
10.4995/agt.2020.13836
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this short note we prove the existence (in ZFC) of a completely regular countable disjointly tight irresolvable space by showing that every sub-maximal countable dense subset of 2(c) is disjointly tight.
引用
收藏
页码：326 / 329
页数：4
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