Linear Maps Preserving Idempotency of Products of Matrices on Upper Triangular Matrix Algebras

被引：0
|
作者：
QI JING AND JI GUO-XING (College of Mathematics and Information Science
机构：
来源：
Communications in Mathematical Research | 2009年 / 25卷 / 03期
关键词：
linear map; matrix; idempotent; product of two matrices; triple Jordan product of two matrices;
D O I：
10.13447/j.1674-5647.2009.03.008
中图分类号：
O151.21 [矩阵论];
学科分类号：
摘要：
Let T;be the algebra of all n×n complex upper triangular matrices. We give the concrete forms of linear injective maps on T;which preserve the nonzero idempotency of either products of two matrices or triple Jordan products of two matrices.
引用
收藏
页码：253 / 264
页数：12
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