Finite flat models of constant group schemes of rank two

• Autores: Naoki Imai
• Localización: Proceedings of the American Mathematical Society, ISSN 0002-9939, Vol. 138, Nº 11, 2010, págs. 3827-3833
• Idioma: inglés
• DOI: 10.1090/s0002-9939-2010-10524-5
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• Resumen

  • We calculate the number of the isomorphism class of the finite flat models over the ring of integers of an absolutely ramified -adic field of constant group schemes of rank two over finite fields by counting the rational points of a moduli space of finite flat models.