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On the Eigenvalues and Eigenfunctions of the Dirichlet and Neumann Problems in a Domain with Perforated Partitions

On the Eigenvalues and Eigenfunctions of the Dirichlet and Neumann Problems in a Domain with... We find the asymptotics of the eigenpairs of the Dirichlet and Neumann spectral problemsfor the Laplace operator in a domain separated by several partitions with holes of small diametersand splitting into several independent cells in the limit as the diameters tend to zero. Usingasymptotic methods for singularly perturbed domains, we study the splitting of a multipleeigenvalue of the limit problems, for example, the zero eigenvalue under the Neumann boundaryconditions, and the localization of the eigenfunction in the case of a simple eigenvalue. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Differential Equations Springer Journals

On the Eigenvalues and Eigenfunctions of the Dirichlet and Neumann Problems in a Domain with Perforated Partitions

Differential Equations , Volume 57 (6) – Jul 8, 2021

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References (30)

Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021
ISSN
0012-2661
eISSN
1608-3083
DOI
10.1134/s0012266121060045
Publisher site
See Article on Publisher Site

Abstract

We find the asymptotics of the eigenpairs of the Dirichlet and Neumann spectral problemsfor the Laplace operator in a domain separated by several partitions with holes of small diametersand splitting into several independent cells in the limit as the diameters tend to zero. Usingasymptotic methods for singularly perturbed domains, we study the splitting of a multipleeigenvalue of the limit problems, for example, the zero eigenvalue under the Neumann boundaryconditions, and the localization of the eigenfunction in the case of a simple eigenvalue.

Journal

Differential EquationsSpringer Journals

Published: Jul 8, 2021

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