Journal
APPLICABLE ANALYSIS
Volume 92, Issue 10, Pages 2084-2102Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00036811.2012.716589
Keywords
inverse problem; Kuramoto-Sivashinsky equation; Carleman estimate
Categories
Funding
- Fondecyt [11080130, 11090161]
- ANR C-QUID
- CISIFS
- CMM-Basal
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In this article, we present an inverse problem for the nonlinear 1D Kuramoto-Sivashinsky (KS) equation. More precisely, we study the nonlinear inverse problem of retrieving the anti-diffusion coefficient from the measurements of the solution on a part of the boundary and also at some positive time in the whole space domain. The Lipschitz stability for this inverse problem is our main result and it relies on the Bukhgem-Klibanov method. The proof is indeed based on a global Carleman estimate for the linearized KS equation.
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