The Number of Closed Subsets of a Topological Space

DOI10.4153/CJM-1978-027-7zbMath0458.54001OpenAlexW2316570828MaRDI QIDQ3908155

Richard E. Hodel

Publication date: 1978

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

Full work available at URL: https://doi.org/10.4153/cjm-1978-027-7

zbMATH Keywords

GCHinfinite regular space of countable pseudocharacternumber of closed subsets of infinite cardinalitynumber of denumerable closed setsregular sigma-spaces

Mathematics Subject Classification ID

(p)-spaces, (M)-spaces, (sigma)-spaces, etc. (54E18) Metric spaces, metrizability (54E35) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25)

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