On Almost Representations of Property (T) Groups

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Property (T) for groups means a dichotomy: a representation either has an invariant vector or all vectors are far from being invariant. We show that, under a stronger condition of A.Zuk, a similar dichotomy holds for almost representations as well.
10 pages, minor changes, references added

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Operator Algebras, Group Theory, 47C99, 20E99

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http://salesiana.dossiersoluciones.com/handle/123456789/135836

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0708.1290
 http://arxiv.org/abs/0708.1290

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arXiv