Kummer-faithful fields which are not sub-p-adic

Kummer-faithful fields which are not sub-p-adic
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库默尔忠实的领域不亚p-adic

DOI:
10.1007/s40993-022-00311-2
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发表时间:
2022
影响因子:
0.8
通讯作者:
Sachiko Ohtani
Sachiko Ohtani
中科院分区:
--
文献类型:
--
作者:
Sachiko Ohtani

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Kummer忠诚域k是一个完美域,使得与G相关的Kummer映射对k的每一个有限扩张K和K上的每一个半交换簇G都是内射的。特征为零的Kummer忠诚域的一个典型例子是某个素数p的次p-adady域。特别地,每个数字域都是Kummer忠实的。本文给出了有理数域的无限代数扩张的Kummer忠诚域的一个构造。此外,我们还利用这些构造给出了一些非亚p-进的Kummer忠诚域的例子。
A Kummer-faithful field k is a perfect field such that the Kummer map associated to G is injective for every finite extension K of k and every semi-abelian variety G over K . A typical example of a Kummer-faithful field of characteristic zero is a sub- p -adic field for some prime number p . In particular, every number field is Kummer-faithful. In this paper, we give a construction of a Kummer-faithful field which is an infinite algebraic extension of the field of rational numbers. Moreover, we give some examples of Kummer-faithful fields which are not sub- p -adic by using the constructions.
基于模块化 L 函数
DOI: --
发表时间: 2016
期刊:
影响因子: --
作者:
Michael E. Hoffman;Kentaro Ihara;Kentaro Ihara
通讯作者: Kentaro Ihara