A -normal Tychonoff space which is not normal
Eva Murtinová (2002)
Commentationes Mathematicae Universitatis Carolinae
Similarity:
-normality and -normality are properties generalizing normality of topological spaces. They consist in separating dense subsets of closed disjoint sets. We construct an example of a Tychonoff -normal non-normal space and an example of a Hausdorff -normal non-regular space.