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METRIZABILITY OF SPACES AND J.NAGATA'S PROBLEM 被引量:2
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作者 高智民 《Acta Mathematica Scientia》 SCIE CSCD 2006年第1期25-30,共6页
In 1988, J.Nagata raised a problem about metrizability, The present article is an attempt to find a solution to the problem.
关键词 metrizable space g-function weak g-function
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Characterizations of Semi-Metric Spaces
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作者 Erguang YANG 《Journal of Mathematical Research with Applications》 CSCD 2015年第3期350-354,共5页
We use the notions of weak base g-functions and pair networks to give some new characterizations of semi-metric spaces.
关键词 semi-metric spaces weak base g-functions pair networks co-cushioned families
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On CWC-Mappings and Metrization Theorem
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作者 LI Ke Dian 《Journal of Mathematical Research and Exposition》 CSCD 北大核心 2008年第3期695-698,共4页
In this paper,applications of CWC-mappings are discussed in metrization theorem, and some new metrization theorems of topological spaces are obtained by Nagata's condition and weakγ-spaces,which generalizes sever... In this paper,applications of CWC-mappings are discussed in metrization theorem, and some new metrization theorems of topological spaces are obtained by Nagata's condition and weakγ-spaces,which generalizes several metrization theorems obtained by R.E.Hodel and J.Nagata. 展开更多
关键词 g-functions CWC-mappings metrizable spaces Nagata's condition.
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