Actions of semisimple Lie groups preserving a degenerate Riemannian metric

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dc.creatorBekkara, Esmaa
dc.creatorFrances, Charles
dc.creatorZeghib, Abdelghani
dc.date2007-11-17
dc.date.accessioned2026-07-07T08:43:37Z
dc.date.available2026-07-07T08:43:37Z
dc.descriptionWe prove a rigidity of the lightcone in Minkowski space. It is essentially the unique space endowed with a degenerate Riemannian metric, of lightlike type, and supporting an isometric non-proper action of a semi-simple group.
dc.description22 pages
dc.identifierhttps://arxiv.org/abs/0711.2746
dc.identifierhttp://arxiv.org/abs/0711.2746
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/142378
dc.subjectDifferential Geometry
dc.subjectDynamical Systems
dc.subject53C50, 53C30, 53C24
dc.titleActions of semisimple Lie groups preserving a degenerate Riemannian metric
dc.typetext

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