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Conférence "Zeta Functions"21 - 25 juin 2010Moscou, Russie |
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Organisateurs: Michel Balazard (CNRS, Laboratoire Poncelet), Michael Tsfasman (CNRS, Laboratoire Poncelet, Institut des Problèmes de Transmission de l'Information), Alexey Zykin (Laboratoire Poncelet, Haute Ecole d'Economie)
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Vendredi 25 juin, 16:30 - 17:30
Let A be an abelian surface over a finite field k. The k-isogeny class of A is uniquely determined by a Weil polynomial f_A of degree 4. We give a classification of the groups of k-rational points on varieties from this class in terms of Newton polygons of f_A(1-t).