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A fixed-point theorem for usco maps
Authors:Valentin G. Gutev
Affiliation:Department of Mathematics, University of Sofia, Sofia, Bulgaria
Abstract:The familiar fixed-point theorem of Kakutani is strengthened by weakening the hypotheses on the set-valued mapping. Applications are made for $UV^n$ and $UV^omega$ decompositions of compact metric spaces.

Keywords:Set-valued mapping   upper semi-continuous   $UV^n$ set   decomposition
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