Three point covers with bad reduction

Three point covers with bad reduction
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三点覆盖,还原不良

DOI:
10.1090/s0894-0347-03-00435-1
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发表时间:
2002
影响因子:
3.9
通讯作者:
S. Wewers
S. Wewers
中科院分区:
数学1区
文献类型:
--
作者:
S. Wewers

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我们研究了在 p 恰好整除伽罗瓦群阶的条件下,在三点分支的射影线的伽罗瓦覆盖,该射影线不好约简到特征 p。作为我们结果的应用,我们证明了这种覆盖层的模量场至多在 p 处温和地分支。
We study Galois covers of the projective line branched at three points with bad reduction to characteristic p, under the condition that p exactly divides the order of the Galois group. As an application of our results, we prove that the field of moduli of such a cover is at most tamely ramified at p.
模曲线的广义雅可比行列式的算术。
DOI: --
发表时间: 2019
期刊:
影响因子: --
作者:
Florian Ivorra;Takao Yamazaki;山崎隆雄;Takao Yamazaki;Takao Yamazaki;Takao Yamazaki;Takao Yamazaki
通讯作者: Takao Yamazaki