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Extending tamely ramified strict 1-motives into két log 1-motives
Forum of Mathematics, Sigma ( IF 1.389 ) Pub Date : 2021-03-09 , DOI: 10.1017/fms.2021.5
Heer Zhao

We define két abelian schemes, két 1-motives and két log 1-motives and formulate duality theory for these objects. Then we show that tamely ramified strict 1-motives over a discrete valuation field can be extended uniquely to két log 1-motives over the corresponding discrete valuation ring. As an application, we present a proof to a result of Kato stated in [12, §4.3] without proof. To a tamely ramified strict 1-motive over a discrete valuation field, we associate a monodromy pairing and compare it with Raynaud’s geometric monodromy.

中文翻译:

将温顺的分支严格的 1 动机扩展到 két log 1 动机

我们定义了 két abelian 方案、két 1-motives 和 két log 1-motives,并为这些对象制定了对偶理论。然后我们证明了离散估值域上的温和分支严格 1-动机可以唯一地扩展到相应离散估值环上的 két log 1-动机。作为一个应用程序,我们对 [12, §4.3] 中所述的 Kato 的结果提供一个证明,而无需证明。对于离散估值域上的一个温和的分支严格的 1-动机,我们将单调配对联系起来,并将其与雷诺的几何单调进行比较。
更新日期:2021-03-09
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