摘要
利用弱开msk-映射刻画了度量空间,得到了X具有σ-紧有限弱基当且仅当X是度量空间的弱开msk-映射等结论,这些是对Alexandroff问题的部分回答。
Metric spaces are characterized by weak msk-mappings.And obtain that a space with a σ-compact-finite weak base if and if a weak msk-mappings of metric space.These are some answers to Alexandroff＇s problems.
出处
《科学技术与工程》
2010年第15期3679-3680,共2页
Science Technology and Engineering
