On \(L \varSigma (n)\)-spaces: \(G_{\delta }\)-points and tightness

DOI10.1016/J.TOPOL.2009.06.020zbMath1189.54019OpenAlexW2313316008MaRDI QIDQ972548

Agustín Hernández Rendón, Oleg G. Okunev

Publication date: 19 May 2010

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

Full work available at URL: https://doi.org/10.1016/j.topol.2009.06.020

zbMATH Keywords

tightness\(G_{\delta }\)-pointsfinite-valued mappingsLindelöf \(\varSigma \)-spaces

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25)

Related Items (1)

Finitely fibered Rosenthal compacta and trees

Cites Work

• On some classes of Lindelöf \(\Sigma\)-spaces
• Σ-spaces
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