On Covering Properties
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Francisco Gallego LupiaΓ±ez
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Article
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1989
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John Wiley and Sons
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English
β 459 KB
Using BULL'S concept of an a-paracompact subset, the various axioms of separation and embeddings, we define in this paper some classes of topological spaces: the classes T\*(Ti) for each i = 2,3,3a, 4,5,5a and r\*(Tr) for each j = 4,5,5a. (Throughout this paper a T , space is a regular To space, a T