A note on Arhangelskii's inequality

DOI10.2969/JMSJ/03930363zbMath0636.54005OpenAlexW2010930679MaRDI QIDQ1098129

Shu-Hao Sun

Publication date: 1987

Published in: Journal of the Mathematical Society of Japan (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2969/jmsj/03930363

zbMATH Keywords

tightnesscardinal inequalityquasi-Lindelöf numberstrong pseudocharacter

Mathematics Subject Classification ID

Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25)

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