Superrigidity, generalized harmonic maps and uniformly convex spaces

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dc.creatorGelander, T.
dc.creatorKarlsson, A.
dc.creatorMargulis, G. A.
dc.date2006-06-11
dc.date2007-07-05
dc.date.accessioned2026-07-07T08:14:03Z
dc.date.available2026-07-07T08:14:03Z
dc.descriptionWe prove several superrigidity results for isometric actions on metric spaces satisfying some convexity properties. First, we extend some recent theorems of N. Monod on uniform and certain non-uniform irreducible lattices in products of locally compact groups. Second, we include the proof of an unpublished result on commensurability superrigidity due to Margulis. The proofs rely on certain notions of harmonic maps and the study of their existence, uniqueness, and continuity.
dc.description22 pages Final version to appear in GAFA
dc.identifierhttps://arxiv.org/abs/math/0606256
dc.identifierhttp://arxiv.org/abs/math/0606256
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/132987
dc.subjectGroup Theory
dc.subjectRepresentation Theory
dc.titleSuperrigidity, generalized harmonic maps and uniformly convex spaces
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