On completely Ramsey sets
Szymon Plewik (1987)
Fundamenta Mathematicae
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Displaying similar documents to “On the Novak number of a hyperspace”
On completely Ramsey sets
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.
Relative compactness and recent common generalizations of metric and locally compact spaces
Z. Balogh (1978)
Fundamenta Mathematicae
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Topological spaces with a selected subset-cardinal invariants and inequalities
Anatoly A. Gryzlov, Dimitrina N. Stavrova (1994)
Commentationes Mathematicae Universitatis Carolinae
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Cardinal functions for topological spaces in which a subset is selected in a certain way are defined and studied. Most of the main cardinal inequalities are generalized for such spaces.