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A note on extremally disconnected spaces


Author: Takashi Noiri
Journal: Proc. Amer. Math. Soc. 79 (1980), 327-330
MSC: Primary 54D10; Secondary 54G05
DOI: https://doi.org/10.1090/S0002-9939-1980-0565364-4
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.


References [Enhancements On Off] (What's this?)

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Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1980-0565364-4
Keywords: S-closed, locally S-closed, extremally disconnected
Article copyright: © Copyright 1980 American Mathematical Society

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