On the perturbation of the Laplacian spectrum when the boundary condition type changes on a small part of the boundary.

zbMath1161.35311MaRDI QIDQ1425918

Rustem R. Gadyl'shin

Publication date: 18 March 2004

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

Mathematics Subject Classification ID

Singular perturbations in context of PDEs (35B25) Asymptotic expansions of solutions to PDEs (35C20) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Related Items (4)

Unnamed Item ⋮ Mixed problem for a harmonic function ⋮ On the eigenvalues and eigenfunctions of the Dirichlet and Neumann problems in a domain with perforated partitions ⋮ Small perturbations in the type of boundary conditions for an elliptic operator

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