Unramified extensions of quadratic fields

Unramified extensions of quadratic fields

Wei Li;Dong Yang;Xianke Zhang

【期刊名称】《自然科学进展（英文版）》 【年(卷),期】2008(018)003

【摘要】Let K be a global quadratic field, then every unramified abelian extension of K is proved to be absolutely Galois when K is a number field or under some natural conditions when K is a function field. The absolute Galois group is also determined explicitly. 【总页数】2页(323-324)

【关键词】Global quadratic fields; Unramified extensions 【作者】Wei Li;Dong Yang;Xianke Zhang

【作者单位】Department of Mathematical Sciences,Tsinghua University,Beijing Sciences,Tsinghua

100084,China;Department University,Beijing

of

Mathematical

of

100084,China;Department

Mathematical Sciences,Tsinghua University,Beijing 100084,China 【正文语种】中文 【中图分类】O1 【相关文献】

1.A MODEL OF SVC RADIATION IN MAGNETIC DIPOLE FIELD AND RADIATION VARYING WITH MAGNETIC FIELD(Ⅱ)——SVC RADIATION MECHANISM AND RADIATION VARIATION WITH MAGNETIC FIELD [J], 赵仁扬