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math.GN2022
Some realcompact spaces
Alan Dow, Jan van Mill, Klaas Pieter Hart +1
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 the space of natural numbers.
math.GN2022★ 3 cited
Problems on
Klaas Pieter Hart, Jan van Mill
This is an update on, and expansion of, our paper Open problems on in the book Open Problems in Topology.