Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:defines |
A contractible smooth 4-manifold whose boundary has an involution that does not extend to the interior.
|
| gptkbp:field |
gptkb:topology
gptkb:4-manifold_theory |
| https://www.w3.org/2000/01/rdf-schema#label |
Akbulut cork
|
| gptkbp:introduced |
gptkb:Selman_Akbulut
|
| gptkbp:introducedIn |
1991
|
| gptkbp:namedAfter |
gptkb:Selman_Akbulut
|
| gptkbp:property |
contractible
smooth 4-manifold boundary has an involution |
| gptkbp:relatedTo |
differential topology
exotic 4-manifolds |
| gptkbp:role |
distinguishes exotic smooth structures on 4-manifolds
|
| gptkbp:usedIn |
differentiable structures on 4-manifolds
|
| gptkbp:bfsParent |
gptkb:Selman_Akbulut
|
| gptkbp:bfsLayer |
6
|