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Realcompact spaces and regular σ -frames

Published online by Cambridge University Press:  24 October 2008

Christopher R. A. Gilmour
Affiliation:
University of Cape Town, South Africa

Abstract

We show that there is an adjoint dual equivalence between realcompact Alexandroff spaces and the Alexandroff σ-frames. This gives a corresponding adjoint duality for realcompact Tychonoff spaces. Consequently we characterize lattice theoretically the cozero-sets of a topological space.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1984

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