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Spectral Theory for the Neumann Laplacian on Planar Domains With Horn-Like Ends
Published online by Cambridge University Press: 20 November 2018
Abstract
The spectral theory for the Neumann Laplacian on planar domains with symmetric, horn-like ends is studied. For a large class of such domains, it is proven that the Neumann Laplacian has no singular continuous spectrum, and that the pure point spectrum consists of eigenvalues of finite multiplicity which can accumulate only at 0 or ∞. The proof uses Mourre theory.
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- Copyright © Canadian Mathematical Society 1997
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