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Article type: Research Article
Authors: Burq, N.
Affiliations: CMAT, URA 169 du CNRS, Ecole Polytechnique, 91128 Palaiseau Cedex, France, E-mail: burq@orphee.polytechnique.fr
Abstract: On généralise les résultats de C. Bardos, G. Lebeau et J. Rauch sur la contrôlabilité exacte de l'équation des ondes avec conditions de Dirichlet au cas où l'ouvert considéré est de classe C3 et les coefficients du Laplacien de classe C2. On obtient, en utilisant des H-mesures ou mesures de défaut microlocales, des conditions nécessaires et des conditions suffisantes fortes pour la contrôlabilité exacte. We extend the results of C. Bardos, G. Lebeau and J. Rauch about the exact controlability of the wave equation with Dirichlet boundary conditions to the case of C3 domains and C2 coefficients. Using H-measures (or mesures de défaut microlocales), we obtain sharp sufficient conditions and necessary conditions for the exact controlability.
DOI: 10.3233/ASY-1997-14203
Journal: Asymptotic Analysis, vol. 14, no. 2, pp. 157-191, 1997
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