Normality and closed projections of products with a cardinal factor

被引:1
|
作者
Kemoto, N
Nogura, T
Yajima, Y
机构
[1] OITA UNIV,FAC EDUC,DEPT MATH,OITA 87011,JAPAN
[2] EHIME UNIV,FAC SCI,DEPT MATH,MATSUYAMA,EHIME 790,JAPAN
[3] KANAGAWA UNIV,DEPT MATH,YOKOHAMA,KANAGAWA 221,JAPAN
关键词
product; regular cardinal; normal; closed projection; free sequence; GO-space;
D O I
10.1016/0166-8641(95)00105-0
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For a space X and a regular uncountable cardinal kappa we discuss when X x kappa is normal if and only if the projection pi is closed.
引用
收藏
页码:217 / 226
页数:10
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