scientific article; zbMATH DE number 720880

zbMath0858.54008MaRDI QIDQ4322437

Petr Simon

Publication date: 9 February 1995

Full work available at URL: http://www.numdam.org/item?id=CTGDC_1994__35_4_321_0

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zbMATH Keywords

selective ultrafilterapproximation by closed setsweak approximation by points

Mathematics Subject Classification ID

Categorical methods in general topology (54B30)

Related Items (11)

Some notes on weakly Whyburn spaces ⋮ Compact spaces and the pseudoradial property, I ⋮ Structural and numerical studies of some topological properties for Alexandroff spaces ⋮ Few remarks and questions on pseudoradial and related spaces ⋮ Countably compact weakly Whyburn spaces ⋮ On some topological properties in the class of Alexandroff spaces ⋮ In memoriam: Petr Simon (1944--2018) ⋮ On (weakly) Whyburn spaces ⋮ Pseudoradial vs strongly pseudoradial ⋮ If \(X\) is \(\sigma\)-compact Polish, then \(C_{k}\)(\(X\)) has a \(\sigma\)-closure-preserving base ⋮ A STUDY ON κ-AP, κ-WAP SPACES AND THEIR RELATED SPACES

Cites Work

• The space of ultrafilters on N covered by nowhere dense sets
• Some points in βN
• Sur l'extension de deux théorèmes topologiques à la Théorie des ensembles
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