Cardinal invariants of dually CCC spaces

DOI10.1016/j.topol.2021.107685zbMath1472.54012OpenAlexW3155658043MaRDI QIDQ2029617

Yan-Kui Song, Wei-Feng Xuan

Publication date: 3 June 2021

Published in: Topology and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.topol.2021.107685

zbMATH Keywords

cardinalextentdually CCCdually separable\( G_\delta \)-diagonaldually weakly Lindelöfmonotonically separable

Mathematics Subject Classification ID

Metric spaces, metrizability (54E35) Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25)

Cites Work

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• On the extent of star countable spaces
• Classes defined by stars and neighbourhood assignments
• Dually discrete spaces
• Dually properties and cardinal inequalities
• A study of chain conditions and dually properties
• Normal Moore Spaces in the Constructible Universe
• On Countability of Point-Finite Families of Sets
• Weakly linearly lindelöf monotonically normal spaces are lindelöf
• Some results on semi-stratifiable spaces
• Weak extent, submetrizability and diagonal degrees

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