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Publication:3790362
zbMath0646.58031MaRDI QIDQ3790362
Publication date: 1987
Full work available at URL: http://www.numdam.org/item?id=SEDP_1986-1987____A6_0
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Schrödinger operatorsspectrumspectral geometrycompact resolventsself-adjoint operatorssingular perturbation theoryLaplace operators
Spectral theory and eigenvalue problems for partial differential equations (35P99) Spectral problems; spectral geometry; scattering theory on manifolds (58J50) Schrödinger operator, Schrödinger equation (35J10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)
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