Nous considérons dans un domaine borné une équation des ondes avec des données initiales incomplètes. Pour ce système, nous construisons des contrôles localement distribués qui insensibilisent une certaine norme de la solution du système. Ce résultat est nouveau pour les dimensions d'espace supérieures ou égales à deux. La méthode de démonstration allie une application judicieuse de l'inégalité de Carleman, et une technique de localisation.
We consider the wave equation with partially known initial data in a bounded domain. For this system, we construct locally distributed controls that desensitize a certain norm of the state. This result is new in space dimensions greater than one. The method of proof combines a judicious application of the Carleman estimate, and a localization technique.
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@article{CRMATH_2008__346_7-8_407_0, author = {Tebou, Louis}, title = {Locally distributed desensitizing controls for the wave equation}, journal = {Comptes Rendus. Math\'ematique}, pages = {407--412}, publisher = {Elsevier}, volume = {346}, number = {7-8}, year = {2008}, doi = {10.1016/j.crma.2008.02.019}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.crma.2008.02.019/} }
TY - JOUR AU - Tebou, Louis TI - Locally distributed desensitizing controls for the wave equation JO - Comptes Rendus. Mathématique PY - 2008 SP - 407 EP - 412 VL - 346 IS - 7-8 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.crma.2008.02.019/ DO - 10.1016/j.crma.2008.02.019 LA - en ID - CRMATH_2008__346_7-8_407_0 ER -
%0 Journal Article %A Tebou, Louis %T Locally distributed desensitizing controls for the wave equation %J Comptes Rendus. Mathématique %D 2008 %P 407-412 %V 346 %N 7-8 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2008.02.019/ %R 10.1016/j.crma.2008.02.019 %G en %F CRMATH_2008__346_7-8_407_0
Tebou, Louis. Locally distributed desensitizing controls for the wave equation. Comptes Rendus. Mathématique, Tome 346 (2008) no. 7-8, pp. 407-412. doi : 10.1016/j.crma.2008.02.019. http://www.numdam.org/articles/10.1016/j.crma.2008.02.019/
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