| Issue |
ESAIM: COCV
Volume 5, 2000
|
|
|---|---|---|
| Page(s) | 219 - 258 | |
| DOI | https://doi.org/10.1051/cocv:2000109 | |
| Published online | 15 August 2002 | |
The wave equation with oscillating density: observability at low frequency
Centre de Mathématiques,
École Polytechnique, UMR 7640 du CNRS,
91128 Palaiseau Cedex, France; lebeau@math.polytechnique.fr.
Received:
8
July
1999
Revised:
6
March
2000
We prove an observability estimate for a wave equation with rapidly oscillating density, in a bounded domain with Dirichlet boundary condition.
Mathematics Subject Classification: 35L05 / 35L20 / 35S15 / 93B07
Key words: Bloch wave / observability / microlocal defect measures.
© EDP Sciences, SMAI, 2000
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.