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arXiv 0709.2118math.NT
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拟半稳定表示

Quasi-semi-stable representations

Xavier Caruso, Tong Liu

摘要:

设K为p-adic域,用G_K表示其绝对伽罗瓦群.设K_infty是K通过增加固定均匀化子的(p^n)次根而得到的扩张,G_ \infty是它的绝对伽罗瓦群.本文定义了G_ \infty的一类p-adic扭表示,称之为拟半稳定表示.我们证明了这些表示是“明确”描述的某一类别的线性代数对象。本文的结果可作为理解晶体中两个晶格的平行子结构的第一步。半稳定)伽罗瓦表示。

英文摘要:

Fix K a p-adic field and denote by G_K its absolute Galois group. Let K_infty be the extension of K obtained by adding (p^n)-th roots of a fixed uniformizer, and G_\infty its absolute Galois group. In this article, we define a class of p-adic torsion representations of G_\infty, named quasi-semi-stable. We prove that these representations are "explicitly" described by a certain category of linear algebra objects. The results of this note should be consider as a first step in the understanding of the structure of quotients of two lattices in a crystalline (resp. semi-stable) Galois representation.

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