Spectral concentration for the Laplace operator in the exterior of a resonator

DOI10.1063/1.526618zbMath0622.47048OpenAlexW1964675034MaRDI QIDQ3759430

Claudio Fernandez

Publication date: 1985

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.526618

zbMATH Keywords

Dirichlet problemLaplace operatorexterior domainself-adjoint operatordiscrete spectrumchannelspectral concentrationpurely continuous spectrum

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) General theory of partial differential operators (47F05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Related Items (1)

Excited resonance widths for Helmholtz resonators with straight neck

Cites Work

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