Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:topology
|
| gptkbp:category |
gptkb:general_topology
|
| gptkbp:defines |
A normal topological space whose product with the unit interval is not normal
|
| gptkbp:firstExampleConstructedBy |
gptkb:Mary_Ellen_Rudin
|
| gptkbp:firstExampleYear |
1971
|
| https://www.w3.org/2000/01/rdf-schema#label |
Dowker spaces
|
| gptkbp:namedAfter |
C. H. Dowker
|
| gptkbp:openProblem |
Existence of Dowker spaces was an open problem until 1971
|
| gptkbp:property |
normal
not countably paracompact product with [0,1] is not normal |
| gptkbp:relatedConcept |
paracompactness
product topology normal space |
| gptkbp:bfsParent |
gptkb:set-theoretic_topology
|
| gptkbp:bfsLayer |
6
|