Spectrum and commutativity preserving mappings on H2

被引:1
|
作者
Petek, T
Sarria, H
机构
[1] Univ Maribor, Fac Elect Engn & Comp Sci, SI-2000 Maribor, Slovenia
[2] Univ Nacl Colombia, Dept Math, Bogota, Colombia
关键词
hermitian matrices; commutativity-preserving mapping; spectrum-preserving mapping;
D O I
10.1016/S0024-3795(02)00585-2
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
The continuous mappings on 2 x 2 real symmetric or complex hermitian matrices that are spectrum and commutativity preserving are characterized. (C) 2003 Elsevier Science Inc. All rights reserved.
引用
收藏
页码:317 / 319
页数:3
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