On the shell and the shell-extremal eigenvalues of a square matrix

DOI10.1016/j.laa.2023.02.010OpenAlexW4321206949MaRDI QIDQ2693717

Christos Chorianopoulos, Panayiotis J. Psarrakos

Publication date: 24 March 2023

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2023.02.010

zbMATH Keywords

numerical rangeextremal eigenvaluesshellcubic curve

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) Jacobians, Prym varieties (14H40)

Related Items (1)

Shell extremal eigenvalues of tridiagonal Toeplitz Matrices

Cites Work

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• Canonical forms, higher rank numerical ranges, totally isotropic subspaces, and matrix equations
• Flat portions on the boundary of the numerical ranges of certain Toeplitz matrices
• On the location of the spectrum of hypertournament matrices
• Normal and seminormal eigenvalues of matrix functions

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