Hopf–Galois structures on finite extensions with quasisimple Galois group

Hopf–Galois structures on finite extensions with quasisimple Galois group
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拟简单伽罗瓦群有限扩张上的 Hopf-Galois 结构

DOI:
10.1112/blms.12407
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发表时间:
2020
影响因子:
0.9
通讯作者:
C. Tsang
C. Tsang
中科院分区:
数学3区
文献类型:
--
作者:
C. Tsang

文献摘要

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相似文献

设L/K是具有伽罗瓦群G的域的有限伽罗瓦扩张。当G是非阿贝尔单结构时,L/K恰好允许两个Hopf-Galois结构。在这篇文章中,我们将这一结果推广到G是拟单的情形。
Let L/K be a finite Galois extension of fields with Galois group G . It is known that L/K admits exactly two Hopf–Galois structures when G is non‐abelian simple. In this paper, we extend this result to the case when G is quasisimple.