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Brauer groups of 1-motives
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-04-08 , DOI: 10.1016/j.jpaa.2021.106754 Cristiana Bertolin , Federica Galluzzi
中文翻译:
一动机的Brauer组
更新日期:2021-04-12
Journal of Pure and Applied Algebra ( IF 0.8 ) Pub Date : 2021-04-08 , DOI: 10.1016/j.jpaa.2021.106754 Cristiana Bertolin , Federica Galluzzi
Over a normal base scheme, we prove the generalized Theorem of the Cube for 1-motives and that a torsion class of the group of a 1-motive M, whose pull-back via the unit section is zero, comes from an Azumaya algebra. In particular, we deduce that over an algebraically closed field of characteristic zero, all classes of come from Azumaya algebras.
中文翻译:
一动机的Brauer组
在一个普通的基本方案上,我们证明了1动机的立方体定理和该组的一个扭转类的广义定理。 1动机M,其通过单位部分回撤是零,来自Azumaya代数。特别是,我们推论在特征为零的代数闭合域上,所有类别的 来自Azumaya代数。