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pro vyhledávání: '"Buffe, Rémi"'
Autor:
Buffe, Rémi, Takahashi, Takéo
Publikováno v:
Comptes Rendus. Mathématique, Vol 361, Iss G9, Pp 1541-1576 (2023)
We show the local null-controllability of a fluid-structure interaction system coupling a viscous incompressible fluid with a damped beam located on a part of its boundary. The controls act on arbitrary small parts of the fluid domain and of the beam
Externí odkaz:
https://doaj.org/article/c014220a3956486da343e9d3ff98d15e
Autor:
Buffe, Rémi, Duca, Alessandro
The exact controllability of heat type equations in the presence of bilinear controls have been successfully studied in the recent works [1,3,14] motivated by the numerous application to engineering, neurobiology, chemistry, and life science. Neverth
Externí odkaz:
http://arxiv.org/abs/2406.17348
In this paper we establish a Lebeau-Robbiano spectral inequality for a degenerate one dimensional elliptic operator. Carleman techniques and moment method are combined. Application to null controllability on a measurable set in time for the degenerat
Externí odkaz:
http://arxiv.org/abs/2309.15491
Autor:
Buffe, Rémi, Takahashi, Takéo
We are interested by the controllability of a fluid-structure interaction system where the fluid is viscous and incompressible and where the structure is elastic and located on a part of the boundary of the fluid's domain. In this article, we simplif
Externí odkaz:
http://arxiv.org/abs/2109.00490
Autor:
Buffe, Rémi, Phung, Kim Dang
We prove an inequality of H\"older type traducing the unique continuation property at one time for the heat equation with a potential and Neumann boundary condition. The main feature of the proof is to overcome the propagation of smallness by a globa
Externí odkaz:
http://arxiv.org/abs/2105.12977
In this article, we consider the energy decay of a viscoelastic wave in an heterogeneous medium. To be more specific, the medium is composed of two different homogeneous medium with a memory term located in one of the medium. We prove exponential dec
Externí odkaz:
http://arxiv.org/abs/2002.04475
Autor:
Buffe, Rémi
Dans la première partie de ce mémoire, on s’attache à l’obtention d’Inégalités de Carleman elliptiques pour des opérateurs d’ordre deux au bord pour des conditions dites de Ventcel. Dans une seconde partie, on démontre une Inégalité
Externí odkaz:
http://www.theses.fr/2017ORLE2059/document
Akademický článek
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Autor:
BUFFE, RÉMI1 remi.buffe@univ-lorraine.fr, PHUNG, KIM DANG2 kimdangphung@yahoo.fr, SLIMANI, AMINE3 amine.slimani@etu.mines-nancy.univ-lorraine.fr
Publikováno v:
SIAM Journal on Control & Optimization. 2024, Vol. 62 Issue 5, p2506-2528. 23p.
Autor:
Buffe, Rémi, Phung, Kim Dang
In this paper we establish a Lebeau-Robbiano spectral inequality for a degenerated one dimensional elliptic operator and show how it can be used to impulse control and finite time stabilization for a degenerated parabolic equation. R{\'e}sum{\'e} .-D
Externí odkaz:
http://arxiv.org/abs/1803.07296