Witt groups and torsion Picard groups of smooth real curves

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dc.creatorMonnier, J-P.
dc.date2000-05-24
dc.date.accessioned2026-07-07T04:35:31Z
dc.date.available2026-07-07T04:35:31Z
dc.descriptionThe Witt group of a smooth curve over a real closed field is explicitely calculated. The method uses a comparison theorem between the graded Witt group and the etale cohomology groups. In the second part of the paper, the torsion Picard group of a smooth real curve is also computed. The calculation depends on a new invariant introduced here. We prove that several problems of real algebraic geometry are related to this invariant.
dc.description24 pages
dc.identifierhttps://arxiv.org/abs/math/0005244
dc.identifierhttp://arxiv.org/abs/math/0005244
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/59276
dc.subjectAlgebraic Geometry
dc.subject14P99; 14C22; 11E25
dc.titleWitt groups and torsion Picard groups of smooth real curves
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