Adjacency preserving mappings of 2 × 2 Hermitian matrices

被引:0
|
作者
Wen-ling Huang
机构
[1] Universität Hamburg,Department Mathematik, Schwerpunkt GD
来源
Aequationes mathematicae | 2008年 / 75卷
关键词
15A99; 51D20; Geometry of matrices; symmetric matrices; Hermitian matrices; mappings preserving adjacency; distance preserving mappings;
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学科分类号
摘要
We determine all mappings φ from the space of 2 × 2 Hermitian matrices which take pairs of adjacent matrices to pairs of adjacent matrices and such that the image of φ contains two matrices which are not adjacent.
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页码:51 / 64
页数:13
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