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has gloss | eng: In mathematics, a locally compact topological group G has property (T) if the trivial representation is an isolated point in its unitary dual equipped with the Fell topology. Informally, this means that if G acts unitarily on a Hilbert space and has "almost invariant vectors", then it has a nonzero invariant vector. The formal definition, introduced by David Kazhdan (1967), gives this a precise, quantitative meaning. |
lexicalization | eng: Kazhdan's property T |
lexicalization | eng: Kazhdan's property |
instance of | e/Topological group |
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