Statements (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:Riemannian_manifold
exotic sphere |
gptkbp:category |
differential topology
|
gptkbp:dimensions |
7
|
gptkbp:discoveredBy |
gptkb:John_Milnor
|
gptkbp:discoveredIn |
1956
|
https://www.w3.org/2000/01/rdf-schema#label |
exotic 7-sphere
|
gptkbp:isomorphicTo |
gptkb:standard_7-sphere
|
gptkbp:not_diffeomorphic_to |
gptkb:standard_7-sphere
|
gptkbp:numberOfDistinctSmoothStructures |
28
|
gptkbp:relatedTo |
gptkb:h-cobordism_theorem
gptkb:butter smooth structure |
gptkbp:bfsParent |
gptkb:Milnor's_construction_of_exotic_7-spheres
|
gptkbp:bfsLayer |
5
|