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Compressions and direct sums

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Publication:6129713

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DOI10.1007/S43036-023-00303-8MaRDI QIDQ6129713

Hwa-Long Gau, Pei Yuan Wu

Publication date: 17 April 2024

Published in: Advances in Operator Theory (Search for Journal in Brave)

zbMATH Keywords

eigenvalue numerical range higher-rank numerical range Kippenhahn polynomial

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Numerical range, numerical radius (47A12) Canonical forms, reductions, classification (15A21)

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