On set tightness and -tightness
Angelo Bella (1986)
Commentationes Mathematicae Universitatis Carolinae
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Displaying similar documents to “Topological spaces with a selected subset-cardinal invariants and inequalities”
On set tightness and -tightness
On the number of compact subsets in topological groups
Ofelia Teresa Alas (1987)
Commentationes Mathematicae Universitatis Carolinae
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On the cardinality of Hausdorff spaces
Alessandro Fedeli (1998)
Commentationes Mathematicae Universitatis Carolinae
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The aim of this paper is to show, using the reflection principle, three new cardinal inequalities. These results improve some well-known bounds on the cardinality of Hausdorff spaces.