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Encyclopedia of Compactness Wiki*
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countably subcompact
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countably subcompact をテンプレートにして作成
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*Definition [#b830e3c0]
A topological space X is called countably subcompact if there is a base B for open sets in X (which is called a subcompact base) such that for every countable subfamily F of B, if F is a [[regular filter base]] then F has a non-empty inters
*Reference [#zf4a9ddd]
-Y. Ikeda, ''Cech-compaleteness and countably subcompactness'', Topology Proc. Vol.14, pp.75-87 (1989).
終了行:
*Definition [#b830e3c0]
A topological space X is called countably subcompact if there is a base B for open sets in X (which is called a subcompact base) such that for every countable subfamily F of B, if F is a [[regular filter base]] then F has a non-empty inters
*Reference [#zf4a9ddd]
-Y. Ikeda, ''Cech-compaleteness and countably subcompactness'', Topology Proc. Vol.14, pp.75-87 (1989).
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