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Computing the Galois group of a polynomial over a p-adic field
International Journal of Number Theory ( IF 0.5 ) Pub Date : 2020-06-26 , DOI: 10.1142/s179304212050092x
Christopher Doris 1
Affiliation  

We present a family of algorithms for computing the Galois group of a polynomial defined over a p-adic field. Apart from the “naive” algorithm, these are the first general algorithms for this task. As an application, we compute the Galois groups of all totally ramified extensions of [Formula: see text] of degrees 18, 20 and 22, tables of which are available online.

中文翻译:

在 p 进场上计算多项式的伽罗瓦群

我们提出了一系列算法,用于计算在 p 进场上定义的多项式的伽罗瓦群。除了“朴素”算法之外,这些是该任务的第一个通用算法。作为一个应用程序,我们计算 18、20 和 22 度 [公式:见文本] 的所有完全分支扩展的伽罗瓦群,其表格可在线获得。
更新日期:2020-06-26
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