%0 Journal Article
%T Unrami?ed extensions of quadratic ?elds<br>
%A Wei Li
%A Dong Yang
%A Xianke Zhang
%A <br>
%J 自然科学进展
%D 2008
%I 
%X Let K be a global quadratic ?eld, then every unrami?ed abelian extension of K is proved to be absolutely Galois when K is a number ?eld or under some natural conditions when K is a function ?eld. The absolute Galois group is also determined explicitly.
%K Global quadratic ?elds
%K Unrami?ed extensions<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=504AF8C1E5476CA7C4EC9DF6FEAC14AC&aid=57CB1C8264872EBD729DA61EC9B1F46A&yid=67289AFF6305E306&vid=13553B2D12F347E8&iid=38B194292C032A66&sid=892C6E385D640C1E&eid=90612DF06FCE4D55&journal_id=1002-008X&journal_name=自然科学进展&referenced_num=0&reference_num=0