Ultratopologies generated by generalized topologies

被引：2

作者：

Császár, A ^{[1
]}

机构：

[1] Eotvos Lorand Univ, Dept Anal, H-1117 Budapest, Hungary

来源：

ACTA MATHEMATICA HUNGARICA | 2006年 / 110卷 / 1-2期

关键词：

generalized topology; kernel operation; envelope operation; ultratopology;

D O I：

10.1007/s10474-006-0011-2

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

It is proved a rather general version of the statement that if the union of arbitrary elements of a system lambda always belongs to lambda then the intersections of elements of lambda constitute an ultratopology ( i. e. a topology where intersections of open sets are open).

引用

页码：153 / 157

页数：5

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