On localization of the spectrum of non-self-adjoint differential operators

DOI10.1007/S10958-008-0144-7zbMath1150.47033OpenAlexW2075834385MaRDI QIDQ2378147

N. F. Valeev

Publication date: 7 January 2009

Published in: Journal of Mathematical Sciences (New York) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10958-008-0144-7

zbMATH Keywords

isospectral deformationspectrum localisationnon-selfadjoint differential operators with power coefficients on unbounded domains

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) General theory of ordinary differential operators (47E05) General theory of partial differential operators (47F05) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15)

Related Items (3)

A primer on eigenvalue problems of non-self-adjoint operators ⋮ Bounds for the spectrum of a matrix differential operator with a damping term ⋮ An estimate for the resolvent of a non-self-adjoint differential operator on the half-line

Cites Work

• Unnamed Item
• Spectral portraits of the Orr-Sommerfeld operator with large Reynolds numbers

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