On the cardinality of Urysohn spaces and weakly $H$-closed spaces

DOI10.21136/MB.2018.0037-18zbMath1474.54030MaRDI QIDQ5227174

Fortunata Aurora Basile, Nathan A. Carlson

Publication date: 5 August 2019

Published in: Mathematica Bohemica (Search for Journal in Brave)

zbMATH Keywords

cardinalitypseudocharacterUrysohn spacecardinal invariant\(\theta\)-closurealmost Lindelöf degree

Mathematics Subject Classification ID

Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Lower separation axioms ((T_0)--(T_3), etc.) (54D10)

Cites Work

• On the cardinality of the \(\theta\)-closed hull of sets
• Cardinal inequalities for topological spaces involving the weak Lindelöf number
• On the cardinality of Hausdorff spaces and H-closed spaces
• Variations on known and recent cardinality bounds
• Arhangel'skiĭ's solution to Alexandroff's problem: a survey
• The Almost Lindelöf Degree
• On the Cardinality of Urysohn Spaces
• 𝐻-closed topological spaces
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