A lattice of conditions on topological spaces

Author:

Collins P. J.,Reed G. M.,Roscoe A. W.,Rudin M. E.

Abstract

If W ( x ) W(x) (for each x X x \in X ) is a family of subsets each containing x x , various conditions on { W ( x ) : x X } \left \{ {W(x):x \in X} \right \} are investigated. They yield new criteria for paracompactness, metrisability and the existence of a semimetric generating a given topology.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference8 articles.

1. Topological spaces with point-networks;Balogh, Zoltán T.;Proc. Amer. Math. Soc.,1985

2. Metrization of topological spaces;Bing, R. H.;Canad. J. Math.,1951

3. Criteria for metrisability;Collins, P. J.;Proc. Amer. Math. Soc.,1984

4. On spaces with point-countable bases;Heath, R. W.;Bull. Acad. Polon. Sci. S\'{e}r. Sci. Math. Astronom. Phys.,1965

5. A relation between perfect separability, completeness, and normality in semi-metric spaces;McAuley, Louis F.;Pacific J. Math.,1956

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