On \(w\Delta\)-spaces, \(w\sigma\)-spaces and \(\Sigma^\#\)-spaces

DOI10.2140/pjm.1977.71.419zbMath0361.54012OpenAlexW2050838690MaRDI QIDQ1239506

Peter Fletcher, William F. Lindgren

Publication date: 1977

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1977.71.419

Mathematics Subject Classification ID

Set-valued maps in general topology (54C60) Noncompact covering properties (paracompact, Lindelöf, etc.) (54D20) Stratifiable spaces, cosmic spaces, etc. (54E20)

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