Idealization of some weak separation axioms

被引：18
|
作者：
Arenas, FG [1 ]
Dontchev, J
Puertas, ML
机构：
[1] Univ De Almeria, Fac Sci, Area Geometry & Topol, Almeria 04071, Spain
[2] Univ Helsinki, Dept Math, Helsinki 00014, Finland
来源：
ACTA MATHEMATICA HUNGARICA | 2000年 / 89卷 / 1-2期
关键词：
D O I：
10.1023/A:1026773308067
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
An ideal is a nonempty collection of subsets closed under heredity and finite additivity. The aim of this paper is to unify some weak separation properties via topological ideals. We concentrate our attention on the separation axioms between T-0 and T-1/2. We prove that if (X,tau,I) is a,semi-Alexandroff T-I-space and I is a (T)-boundary, then I is completely codense.
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页码：47 / 53
页数：7
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