LINEAR-OPERATORS PRESERVING COMPLEX ORTHOGONAL EQUIVALENCE ON MATRICES

Citation
Ra. Horn et al., LINEAR-OPERATORS PRESERVING COMPLEX ORTHOGONAL EQUIVALENCE ON MATRICES, SIAM journal on matrix analysis and applications, 15(2), 1994, pp. 519-529
Citations number
8
Categorie Soggetti
Mathematics,Mathematics
ISSN journal
08954798
Volume
15
Issue
2
Year of publication
1994
Pages
519 - 529
Database
ISI
SICI code
0895-4798(1994)15:2<519:LPCOEO>2.0.ZU;2-S
Abstract
Two complex matrices A and B are said to be (complex) orthogonally equ ivalent if there exist (complex) orthogonal matrices Q1 and Q2 such th at A = Q1BQ2. In this note the authors obtain characterization of line ar operators that preserve complex orthogonal equivalence.