Carleman estimates for semi-discrete parabolic operators with a discontinuous diffusion coefficient and application to controllability - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2012

Carleman estimates for semi-discrete parabolic operators with a discontinuous diffusion coefficient and application to controllability

Résumé

In the discrete setting of one-dimensional finite-differences we prove a Carleman estimate for a semi-discretization of the parabolic operator $\partial_t-\partial_x (c\partial_x )$ where the diffusion coefficient $c$ has a jump. As a consequence of this Carleman estimate, we deduce consistent null-controllability results for classes of semi-linear parabolic equations.
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Dates et versions

hal-00750064 , version 1 (09-11-2012)

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Thuy Nguyen. Carleman estimates for semi-discrete parabolic operators with a discontinuous diffusion coefficient and application to controllability. 2012. ⟨hal-00750064⟩
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