Wild Galois Representations

Wild Galois Representations
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狂野伽罗瓦表示

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发表时间:
2018
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通讯作者:
Nirvana Coppola
Nirvana Coppola
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文献类型:
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作者:
Nirvana Coppola

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给定一个局部域K上的椭圆曲线E,其剩余特征为3,研究了K的绝对伽罗瓦群在潜在好约化情形下的作用.特别地,唯一不完全已知的情况是附加到椭圆曲线的$ell$-adic Galois表示,使得惯性的图像是非循环的,并且同构于$C_3 乘以C_4$。在这项工作中,我们明确地描述了这样的表示。
Given an elliptic curve $E$ over a local field $K$ with residue characteristic $3$, we investigate the action of the absolute Galois group of $K$ in the case of potentially good reduction. In particular the only not completely known case is that of the $ell$-adic Galois representation attached to an elliptic curve such that the image of inertia is non-cyclic, and isomorphic to $C_3 times C_4$. In this work we describe such a representation explicitly.