Relatively projective groups as absolute Galois groups
数论
2007-05-23 v1
摘要
By two well-known results, one of Ax, one of Lubotzky and van den Dries, a profinite group is projective iff it is isomorphic to the absolute Galois group of a pseudo-algebraically closed field. This paper gives an analogous characterization of relatively projective profinite groups as absolute Galois groups of regularly closed fields.
引用
@article{arxiv.math/0007211,
title = {Relatively projective groups as absolute Galois groups},
author = {Jochen Koenigsmann},
journal= {arXiv preprint arXiv:math/0007211},
year = {2007}
}