@article{SLSEDP_2014-2015____A21_0, author = {Matthieu L\'eautaud and Nicolas Lerner}, title = {Sharp polynomial energy decay for locally undamped waves}, journal = {S\'eminaire Laurent Schwartz {\textemdash} EDP et applications}, note = {talk:21}, publisher = {Institut des hautes \'etudes scientifiques & Centre de math\'ematiques Laurent Schwartz, \'Ecole polytechnique}, year = {2014-2015}, doi = {10.5802/slsedp.79}, language = {en}, url = {https://slsedp.centre-mersenne.org/articles/10.5802/slsedp.79/} }