论 $p$-群作为伽罗瓦群的可实现性
代数几何
2012-01-06 v2
摘要
本文综述并考察了 -群作为任意域上伽罗瓦群的可实现性。特别地,我们考虑了各种上同调判据,这些判据给出了此类群作为伽罗瓦群可实现性的充分必要条件、嵌入问题(即在给定子扩张上的可实现性)、此类扩张的描述、-群间的自动实现及相关主题。
引用
@article{arxiv.1112.1522,
title = {On realizability of $p$-groups as Galois groups},
author = {Ivo M. Michailov and Nikola P. Ziapkov},
journal= {arXiv preprint arXiv:1112.1522},
year = {2012}
}
备注
In this version is added an example at the end of Section 6. Also, some mistakes are corrected and the references are updated