Bounded generation of S-arithmetic subgroups of isotropic orthogonal groups over number fields

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dc.creatorErovenko, Igor V.
dc.creatorRapinchuk, Andrei S.
dc.date2005-08-24
dc.date2005-08-29
dc.date.accessioned2026-07-07T05:22:40Z
dc.date.available2026-07-07T05:22:40Z
dc.descriptionLet f be a nondegenerate quadratic form in at least 5 variables over a number field K and let S be a finite set of valuations of K containing all Archimedean ones. We prove that if the Witt index of f is at least 2 or it is 1 and S contains a non-Archimedean valuation, then the S-arithmetic subgroups of the special orthogonal group of f have bounded generation. These groups provide a series of examples of boundedly generated S-arithmetic groups in isotropic, but not quasi-split, algebraic groups.
dc.descriptionAn extended version of the paper accepted by the Journal of Number Theory, it includes a self-contained proof of Witt's theorem for local lattices
dc.identifierhttps://arxiv.org/abs/math/0508480
dc.identifierhttp://arxiv.org/abs/math/0508480
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/76150
dc.subjectGroup Theory
dc.titleBounded generation of S-arithmetic subgroups of isotropic orthogonal groups over number fields
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