The characteristic polynomial of projections

被引：0
|
作者：
Howell, Kate [1 ]
Yang, Rongwei [1 ]
机构：
[1] SUNY Albany, Dept Math & Stat, Albany, NY 12222 USA
来源：
LINEAR ALGEBRA AND ITS APPLICATIONS | 2024年 / 680卷
关键词：
Projection matrix; Characteristic polynomial; Coxeter group; DETERMINANTS; SPECTRUM;
D O I：
10.1016/j.laa.2023.10.003
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
This paper proves that the characteristic polynomial is a complete unitary invariant for pairs of projection matrices. Some special cases involving three or more projections are also considered. (c) 2023 Elsevier Inc. All rights reserved.
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页码：170 / 182
页数：13
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