Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:awarded |
gptkb:mathematics
|
| gptkbp:field |
gptkb:topology
gptkb:4-manifold_theory geometric topology |
| https://www.w3.org/2000/01/rdf-schema#label |
Freedman's theorem
|
| gptkbp:implies |
gptkb:topological_Poincaré_conjecture_in_dimension_4
|
| gptkbp:namedAfter |
gptkb:Michael_Freedman
|
| gptkbp:relatedTo |
gptkb:Donaldson's_theorem
|
| gptkbp:sentence |
Every closed, simply-connected, topological 4-manifold is homeomorphic to a connected sum of copies of S^2 × S^2 and CP^2 and its inverse.
|
| gptkbp:yearProved |
1982
|
| gptkbp:bfsParent |
gptkb:E_8_manifold
gptkb:E8_manifold |
| gptkbp:bfsLayer |
7
|