Finite flat models of constant group schemes of rank two
arXiv:0812.0490 · doi:10.1090/S0002-9939-2010-10524-5
Abstract
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.
arXiv comment6 pages