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The Shrinking Property

Published online by Cambridge University Press:  20 November 2018

Mary Ellen Rudin*
Affiliation:
University of Wisconsin Madison, Wisconsin 53706
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Abstract

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A space has the shrinking property if, for every open cover {Va | a ∈ A}, there is an open cover {Wa | a ∈ A} with for each a ∈ A.lt is strangely difficult to find an example of a normal space without the shrinking property. It is proved here that any ∑-product of metric spaces has the shrinking property.

Information

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1983