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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

Every Wijsman topology relative to a Polish space is Polish


Author: C. Costantini
Journal: Proc. Amer. Math. Soc. 123 (1995), 2569-2574
MSC: Primary 54B20; Secondary 54D65, 54E50
MathSciNet review: 1273484
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Abstract: Generalizing a result of G. Beer and a result of E. Effros, we show that if (X, d) is a separable and completely metrizable metric space, then the hyperspace of X endowed with the Wijsman topology is separable and completely metrizable.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1995-1273484-5
PII: S 0002-9939(1995)1273484-5
Keywords: Wijsman topology, Polish space, completely metrizable space, $ {G_\delta }$-subset
Article copyright: © Copyright 1995 American Mathematical Society