Essential spectrum of a periodic waveguide with non-periodic perturbation

DOI10.1016/j.jmaa.2018.03.057zbMath1437.35515OpenAlexW2794704925MaRDI QIDQ1747077

Jari Taskinen, Sergueï A. Nazarov

Publication date: 3 May 2018

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: http://hdl.handle.net/10138/314498

zbMATH Keywords

Sobolev spaceessential spectrumwaveguideperiodicDirichlet-Laplace problemnon-periodic perturbation

Mathematics Subject Classification ID

General topics in linear spectral theory for PDEs (35P05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Related Items

Spectral singularities of solutions to a boundary-value problem for the Fredholm integro-differential equation of the second order with reflection of argument, The essential spectrum of the discrete Laplacian on Klaus-sparse graphs, Waves in a plane rectangular lattice of thin elastic waveguides

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