The number of negative entries in a sign pattern allowing orthogonality

DOI10.1007/S00373-004-0575-YzbMath1063.15022OpenAlexW2047382183MaRDI QIDQ704842

Yanling Shao, Yu-Bin Gao

Publication date: 20 January 2005

Published in: Graphs and Combinatorics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00373-004-0575-y

zbMATH Keywords

orthogonal matrixsign pattern\(\pm\) signqualitative class

Mathematics Subject Classification ID

Hermitian, skew-Hermitian, and related matrices (15B57)

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