Uniformities,hyperspaces, and normality |
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Authors: | Anna Di Concilio |
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Affiliation: | (1) Istituto di Matematica Facoltà di Scienze, Università di Salerno, I-84100 Salerno, Italy |
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Abstract: | LetX be a completely regular space and 2X the hyperspace ofX. It is shown that the uniform topologies on 2X arising from Nachbin uniformity onX, which is the weak uniformity generated byC(X, ), and from Tukey—Shirota uniformity onX, generated by all countable open normal coverings ofX, agree. They, both, coincide with a Vietoris-type topology on 2X, the countable locally finite topology, iffX is normal. |
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