The essential spectrum of canonical systems

DOI10.1016/J.JAT.2020.105395zbMath1457.34122arXiv1908.02266OpenAlexW3009369130MaRDI QIDQ1985552

Kyle Scarbrough, Remling, Christian

Publication date: 7 April 2020

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1908.02266

zbMATH Keywords

oscillation theoryessential spectrumcanonical system

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) General spectral theory of ordinary differential operators (34L05) Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10)

Related Items (4)

On essential numerical ranges and essential spectra of Hamiltonian systems with one singular endpoint ⋮ Indefinite Sturm-Liouville operators in polar form ⋮ Canonical systems with discrete spectrum ⋮ Sharp bound for embedded eigenvalues of Dirac operators with decaying potentials

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• On semibounded canonical systems
• Spectral theory of ordinary differential operators
• Spectral theory of canonical systems
• Criterion for discreteness of the spectrum of a singular canonical system
• Oscillation theory and semibounded canonical systems
• Canonical systems with discrete spectrum
• Ordinary Differential Equations

This page was built for publication: The essential spectrum of canonical systems