Some characterizations of W-spaces and w
β
P.L. Sharma
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Article
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1978
π
Elsevier Science
β 582 KB
i c-space -I Gra i -@rage [2] has introduced two inteiesting generalizations of first countable amely W-spaces and w-spaces. l'hese spacer dre defined in terms of a n infinite game. The purpose of this note 13 to give simple and purely 1 conditions characterizing these spaces. It is foui;d that, in