Neumann-Dirichlet maps and analysis of spectral pollution for non-self-adjoint elliptic PDEs with real essential spectrum

DOI10.1093/imanum/drp017zbMath1206.65245OpenAlexW2090790659WikidataQ115180780 ScholiaQ115180780MaRDI QIDQ3058279

Publication date: 19 November 2010

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1093/imanum/drp017

zbMATH Keywords

eigenvalue problem boundary-value problem Schrödinger equation exterior domain Sturm-Liouville problem essential spectrum spurious eigenvalues spectral pollution Neumann to Dirichlet map

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Schrödinger operator, Schrödinger equation (35J10) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

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