Eigenfunction expansions and spectral projections for isotropic elasticity outside an obstacle |
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| Authors: | F. Mené ndez-Conde |
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| Affiliation: | Centro de Investigación en Matemáticas, Universidad Autónoma de Hidalgo, Mexico |
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| Abstract: | We consider the operator −Δ−αgraddiv acting on an exterior domain Ω in Rn (with α>0 and n=2,3) subject to Dirichlet boundary conditions. The spectral resolution for the operator is written in terms of an expansion of generalized eigenfunctions. |
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| Keywords: | Spectral theory Limiting absorption principle Generalized eigenfunctions Elastic plane waves |
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