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Asymptotically sharp uniform estimates in a scalar spectral stiff problemEstimations asymptotiques uniformes pour le spectre d'un problème scalaire raide |
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| Authors: | Miguel Lobo Serguei A Nazarov Eugenia Pérez |
| Institution: | 1. Departamento de Matemáticas, Estad??stica y Computación, Universidad de Cantabria, Av. de los Castros, s/n. 39005 Santander, Spain;3. Departamento de Matemática Aplicada y Ciencias de la Computación, Universidad de Cantabria, Av. de los Castros, s/n. 39005 Santander, Spain |
| Abstract: | Estimates of convergence rates for rescaled eigenvalues of the stiff Neumann problem for the Laplacian are obtained. The bounds are expressed in terms of the stiffness ratio and properties of the limit spectrum both for low and middle frequency ranges. To cite this article: M. Lobo et al., C. R. Mecanique 331 (2003). |
| Keywords: | Acoustics Waves Vibrations Stiff problem Spectral analysis Low frequencies Middle frequencies Acoustique Ondes Vibrations Problème raide Analyse spectrale Basses fréquences Moyennes fréquences |
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