Spectral concentrations and resonances of a second–order block operator matrix and an associated λ–rational Sturm-Liouville problem

DOI10.1098/RSPA.2003.1272zbMath1083.34017OpenAlexW1979704552MaRDI QIDQ3024618

Matthias Langer, Marco Marlettta, B. Malcolm Brown

Publication date: 1 July 2005

Published in: Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.2003.1272

zbMATH Keywords

resonanceembedded eigenvalueblock operator matrixspectral concentration\(\lambda\)-rational eigenvalue problem

Mathematics Subject Classification ID

Sturm-Liouville theory (34B24) General spectral theory of ordinary differential operators (34L05)

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