aleph(0)-SPACES AND IMAGES OF SEPARABLE METRIC SPACES

被引:0
|
作者
Ge, Ying [1 ]
机构
[1] Suzhou Univ, Dept Math, Suzhou 215006, Peoples R China
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暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A space X is an aleph(0)-space if and only if X is a sequence-covering and compact-covering image of a separable metric space. It follows that a space X is a k-and-aleph(0)-space if and only if X is a sequence-covering and compact-covering, quotient image of a separable metric space.
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页码:62 / 67
页数:6
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