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hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorGILLIBERT, Jean
dc.date.accessioned2024-04-04T02:53:32Z
dc.date.available2024-04-04T02:53:32Z
dc.date.created2007-10-05
dc.date.issued2007
dc.identifier.issn2118-8572
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/192183
dc.description.abstractEnThe class-invariant homomorphism allows one to measure the Galois module structure of torsors--under a finite flat group scheme--which lie in the image of a coboundary map associated to an exact sequence. It has been introduced first by Martin Taylor (the exact sequence being given by an isogeny between abelian schemes). We begin by giving general properties of this homomorphism, then we pursue its study in the case when the exact sequence is given by the multiplication by $n$ on an extension of an abelian scheme by a torus.
dc.language.isofr
dc.publisherSociété Arithmétique de Bordeaux
dc.titleInvariants de classes : propriétés fonctorielles et applications à l'étude du noyau
dc.typeArticle de revue
dc.identifier.doi10.5802/jtnb.595
dc.subject.halMathématiques [math]/Théorie des nombres [math.NT]
dc.subject.halMathématiques [math]/Géométrie algébrique [math.AG]
dc.identifier.arxivmath/0512365
bordeaux.journalJournal de Théorie des Nombres de Bordeaux
bordeaux.page415-432
bordeaux.volume19
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.issue2
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-00280804
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00280804v1
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