Statements (33)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:mathematical_concept
|
gptkbp:alsoKnownAs |
gptkb:Kazhdan's_property_(T)
|
gptkbp:appliesTo |
topological groups
locally compact groups |
gptkbp:characterizedBy |
existence of a spectral gap for unitary representations
|
gptkbp:contrastsWith |
amenability
|
gptkbp:example |
gptkb:SL(3,_Z)
abelian groups free groups compact groups higher rank lattices amenable groups |
gptkbp:field |
gptkb:mathematics
ergodic theory group theory representation theory operator algebras |
https://www.w3.org/2000/01/rdf-schema#label |
Property (T)
|
gptkbp:implies |
fixed point property for affine isometric actions on Hilbert spaces
finite generation of discrete groups with property (T) |
gptkbp:importantFor |
gptkb:C*-algebras
gptkb:von_Neumann_algebras expander graphs rigidity theory |
gptkbp:introducedIn |
1967
|
gptkbp:namedAfter |
gptkb:David_Kazhdan
|
gptkbp:relatedTo |
gptkb:Kazhdan_constant
property (FH) property (τ) |
gptkbp:usedIn |
construction of expanders
superrigidity theorems |
gptkbp:bfsParent |
gptkb:Kazhdan's_property_(T)
|
gptkbp:bfsLayer |
6
|