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Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081
1996, v.3 no.1, pp.59-65
Yoo, Sung-Ryong
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Abstract

In this paper, we study spaces admitting cs-semistratification and cs-semistratifications with (CF) property. The class of cs-semistratifiable spaces lies between the class of k-semistratifiable spaces and that of semistratifiable spaces which lie between the class of semi-metric spaces and the class of spaces in which closed sets are <TEX>$G_{\sigma}$</TEX> and really differs from the classes of stratifiable spaces.

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Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics