2010
DOI: 10.1007/s10474-010-0035-5
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A de Vries-type duality theorem for the category of locally compact spaces and continuous maps. I

Abstract: Generalizing de Vries' duality theorem [9], we prove that the category HLC of locally compact Hausdorff spaces and continuous maps is dual to the category DHLC of complete local contact algebras and appropriate morphisms between them.

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Cited by 20 publications
(70 citation statements)
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“…
As proved in [8], there exists a duality Λ t between the category HLC of locally compact Hausdorff spaces and continuous maps, and the category DHLC of complete local contact algebras and appropriate morphisms between them. In this paper, we introduce the notions of weight w a and of dimension dim a of a local contact algebra, and we prove that if X is a locally compact Hausdorff space then w(X) = w a (Λ t (X)), and if, in addition, X is normal, then dim(X) = dim a (Λ t (X)).
…”
mentioning
confidence: 89%
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“…
As proved in [8], there exists a duality Λ t between the category HLC of locally compact Hausdorff spaces and continuous maps, and the category DHLC of complete local contact algebras and appropriate morphisms between them. In this paper, we introduce the notions of weight w a and of dimension dim a of a local contact algebra, and we prove that if X is a locally compact Hausdorff space then w(X) = w a (Λ t (X)), and if, in addition, X is normal, then dim(X) = dim a (Λ t (X)).
…”
mentioning
confidence: 89%
“…(We do not give here the explicit definition of the contravariant functor Λ a because we will not use it. (It is given in [8].) For our purposes here, it is enough to know that the compositions Λ a • Λ t and Λ t • Λ a are naturally equivalent to the corresponding identity functors (see, e.g., [1]). )…”
Section: Local Contact Algebrasmentioning
confidence: 99%
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