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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


A note on extremally disconnected spaces

Author: Takashi Noiri
Journal: Proc. Amer. Math. Soc. 79 (1980), 327-330
MSC: Primary 54D10; Secondary 54G05
MathSciNet review: 565364
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Abstract: A topological space X is said to be locally S-closed if each point of X has an open neighborhood which is an S-closed subspace of X. In this note it is shown that every locally S-closed weakly Hausdorff (or almost-regular) space is extremally disconnected.

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PII: S 0002-9939(1980)0565364-4
Keywords: S-closed, locally S-closed, extremally disconnected
Article copyright: © Copyright 1980 American Mathematical Society