%0 Journal Article
%T Positive elementary operators compressing spectrum<br>
%A Xiuling Zhang
%A Jinchuan Hou
%A <br>
%J 科学通报(英文版)
%D 1997
%I 
%K elementary operators
%K spectrum preserver
%K positive linear maps<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=8AA23909366556CEFF1E43778D3242CF&yid=5370399DC954B911&vid=ECE8E54D6034F642&iid=E158A972A605785F&sid=B7BFA4B351E4C682&eid=B7BFA4B351E4C682&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=8