Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
compact oriented 4-manifolds
|
| gptkbp:field |
differential geometry
|
| gptkbp:namedAfter |
gptkb:Nigel_Hitchin
gptkb:John_A._Thorpe |
| gptkbp:publishedIn |
gptkb:Mathematical_Proceedings_of_the_Cambridge_Philosophical_Society
|
| gptkbp:relatedTo |
gptkb:Euler_characteristic
signature |
| gptkbp:sentence |
If a compact oriented 4-manifold admits an Einstein metric, then 2χ ≥ 3|τ|, where χ is the Euler characteristic and τ is the signature.
|
| gptkbp:yearProposed |
1974
|
| gptkbp:bfsParent |
gptkb:Nigel_Hitchin
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hitchin–Thorpe inequality
|