A Note on Proper Maps of Locales
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Abstract
Let X and Y be completely regular locales. We show that the properness of a localic map f: X → Y can be characterized in terms of extension between compactifications.
Keywords
Locale Proper mapMathematics Subject Classifications (2000)
06D99 18B25 54C10Preview
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References
- 1.Vermeulen, J.J.C.: Proper maps of locales. J. Pure Appl. Algebra 92, 79–107 (1994)MathSciNetMATHCrossRefGoogle Scholar
- 2.Vermeulen, J.J.C.: A note on stably closed maps of locales. J. Pure Appl. Algebra 157, 335–339 (2001)MathSciNetMATHCrossRefGoogle Scholar
- 3.Moerdijk, I., Vermeulen, J.J.C.: Proper maps of toposes. Mem. Am. Math. Soc. 705 (2000)Google Scholar
- 4.Johnstone, P.T.: Stone Spaces. Cambridge University Press, Cambridge (1982)MATHGoogle Scholar
- 5.Johnstone, P.T.: Sketches of an Elephent: A Topos Theory Compendium, vol. 2. Oxford Science Publications, Oxford (2002)Google Scholar
- 6.Banaschewski, B.: Compactification of frames. Math. Nachr. 149, 105–116 (1990)MathSciNetMATHCrossRefGoogle Scholar
- 7.He, W.: A constructive proof of the Gelfand-Kolmogorov theorem. Appl. Categ. Struct. 12, 197–202 (2004)MATHCrossRefGoogle Scholar
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