A NECESSARY AND SUFFICIENT CONDITION FOR POSITIVITY OF LINEAR MAPS ON M4 CONSTRUCTED FROM PERMUTATION PAIRS

被引:2
作者
Zhao, Haili [1 ]
Hou, Jinchuan [1 ]
机构
[1] Taiyuan Univ Technol, Coll Math, Taiyuan 030024, Peoples R China
来源
OPERATORS AND MATRICES | 2015年 / 9卷 / 03期
关键词
Matrix algebras; positive linear maps; permutations; inequalities;
D O I
10.7153/oam-09-36
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A necessary and sufficient condition for a D-type map Phi(pi 1,pi 2) on 4x4 matrices constructed from a pair of arbitrary permutations {pi(1),pi(2)} to be positive is obtained.
引用
收藏
页码:597 / 617
页数:21
相关论文
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