• Medientyp: E-Artikel
  • Titel: On the p-torsion of the Tate–Shafarevich group of abelian varieties over higher dimensional bases over finite fields
  • Beteiligte: KELLER, Timo
  • Erschienen: Société Arithmétique de Bordeaux, 2022
  • Erschienen in: Journal de Théorie des Nombres de Bordeaux, 34 (2022) 2, Seite 497-513
  • Sprache: Englisch
  • ISSN: 1246-7405; 2118-8572
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  • Beschreibung: <p>We prove a finiteness theorem for the first flat cohomology group of finite flat group schemes over integral normal proper varieties over finite fields. As a consequence, we can prove the invariance of the finiteness of the Tate–Shafarevich group of Abelian schemes over higher dimensional bases under isogenies and alterations over/of such bases for the p-part. Along the way, we generalize previous results on the Tate–Shafarevich group in this situation.</p>
  • Zugangsstatus: Freier Zugang