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Proceedings of the American Mathematical Society

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Normality of powers implies compactness


Authors: S. P. Franklin and R. C. Walker
Journal: Proc. Amer. Math. Soc. 36 (1972), 295-296
MSC: Primary 54D30
DOI: https://doi.org/10.1090/S0002-9939-1972-0415571-1
MathSciNet review: 0415571
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Abstract: In this note we give a short proof for the theorem of N. Noble which asserts that each power of a $ {T_1}$-space being normal implies that the space is compact.


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DOI: https://doi.org/10.1090/S0002-9939-1972-0415571-1
Keywords: Normal, compact, product, z-ultrafilter, pseudocompact, countably compact, Stone-Čech compactification
Article copyright: © Copyright 1972 American Mathematical Society

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