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Results tagged with gn.general-topology
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user 254885
Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.
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Closed embedding into a normal Hausdorff space and left lifting property
The answer by KP Hart to extending disjoint open subsets of a normal Hausdorff space shows that the characterisation fails as stated for normal Hausdorff spaces but might work for hereditarily normal …
- 81
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answer
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extending disjoint open subsets of a normal Hausdorff space
Under what assumptions on $C$ and $X$ is the following true ? I was neither able to find a counterxample or prove this, though it appears that compactness, e.g. assuming $X$ is compactly generated, ma …
- 81