Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4661376 | Topology and its Applications | 2007 | 10 Pages |
Abstract
Let M be a separable metric space consisting of more than one point. We construct perfectly normal dense subspaces Z⊂Mc2 and (under additional set-theoretic assumption) Y⊂Mc which are not collectionwise Hausdorff.
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Physical Sciences and Engineering
Mathematics
Geometry and Topology