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Constructing Galois representations ramified at one prime
Journal of Number Theory ( IF 0.6 ) Pub Date : 2021-01-13 , DOI: 10.1016/j.jnt.2020.12.005 Anwesh Ray
中文翻译:
构造伽罗瓦表示法一枝独秀
更新日期:2021-01-13
Journal of Number Theory ( IF 0.6 ) Pub Date : 2021-01-13 , DOI: 10.1016/j.jnt.2020.12.005 Anwesh Ray
Let , and a prime number , such that the index of regularity of p is ≤e. We show that there are infinitely many irreducible Galois representations unramified at all primes . Furthermore, these representations are shown to have image containing a fixed finite index subgroup of . Such representations are constructed by lifting suitable residual representations with image in the diagonal torus in , for which the global deformation problem is unobstructed.
中文翻译:
构造伽罗瓦表示法一枝独秀
让 , 和素数 ,使得规律性的指数p是≤ Ë。我们证明了有无限多个不可约的伽罗瓦表示 在所有素数均未分叉 。此外,这些表示形式显示为包含固定的有限索引子组的图像。。通过提升适当的残差表示来构造此类表示 与图像在对角线环面中 ,其全局变形问题不受阻碍。