Spectral inclusion property for a class of block operator matrices

DOI10.7153/oam-2023-17-63OpenAlexW4391120223WikidataQ129600031 ScholiaQ129600031MaRDI QIDQ6122911

Mitsuru Wilson, Wenwen Qiu, Yaru Qi, Carsten Trunk

Publication date: 4 March 2024

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/oam-2023-17-63

zbMATH Keywords

numerical rangespectrumquadratic numerical rangeblock operator matricesspectral enclosures

Mathematics Subject Classification ID

General topics in linear spectral theory for PDEs (35P05) One-parameter semigroups and linear evolution equations (47D06) Spectrum, resolvent (47A10) Numerical range, numerical radius (47A12) Incompressible inviscid fluids (76B99) Linear differential equations in abstract spaces (34G10)

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Spectral properties of unbounded \(J\)-self-adjoint block operator matrices
• Spectral inclusion for unbounded block operator matrices
• Symmetry of the quadratic numerical range and spectral inclusion properties of Hamiltonian operator matrices
• The quadratic numerical range of an analytic operator function
• A numerical investigation of the quadratic numerical range of Hain-Lüst operators
• The Quadratic Numerical Range and the Location of Zeros of Polynomials
• Systems with strong damping and their spectra
• A new concept for block operator matrices: The quadratic numerical range

This page was built for publication: Spectral inclusion property for a class of block operator matrices