Some realcompact spaces
Alan Dow (University of North Carolina at Charlotte)
Klaas Pieter Hart (TU Delft - Analysis)
Jan van Mill (Universiteit van Amsterdam)
Hans Vermeer (TU Delft - Analysis)
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Abstract
We present examples of realcompact spaces with closed subsets that are C*-embedded but not C-embedded, including one where the closed set is a copy of N.