Some results on semi-stratifiable spaces

DOI10.21136/MB.2018.0043-17zbMath1474.54076OpenAlexW2951341900MaRDI QIDQ5227158

Yan-Kui Song, Wei-Feng Xuan

Publication date: 5 August 2019

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

Full work available at URL: https://doi.org/10.21136/mb.2018.0043-17

zbMATH Keywords

perfect spacecountable chain conditionfeebly compact spaceseparable spacedense subsetsemi-stratifiable space\(G^*_\delta\)-diagonalcardinal equality\(\omega\)-monolithic spaceproperty \(DC(\omega_1)\)star countable extent space

Mathematics Subject Classification ID

Metric spaces, metrizability (54E35) Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20)

Related Items (2)

Dual properties and monotone normality ⋮ Cardinal invariants of dually CCC spaces

Cites Work

• A note on the extent of two subclasses of star countable spaces
• Countability and star covering properties
• On the extent of star countable spaces
• Star covering properties
• Symmetric \(g\)-functions and cardinal inequalities
• Cardinalities of weakly Lindelöf spaces with regular \(G_{\kappa}\)-diagonals
• Concerning semi-stratifiable spaces
• Spaces with regular \(G_ \delta\)-diagonals
• Spaces with star countable extent
• Weak extent, submetrizability and diagonal degrees
• The Discrete Countable Chain Condition
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