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Talk Abstract
Time-asymptotic Behaviour in Hamilton-Jacobi Equations

Jean-Michel Roquejoffre
University of Toulouse

The problem under study is the following Hamilton-Jacobi equation


with periodic conditions in x or in a bounded domain with Dirichlet conditions. When H is strictly convex with respect to its second variable - sometimes, mere convexity is enough - the convergence to steady states is proved. This study is applied to understand the dynamics of a front whose propagation is given by a law of the form

where R is a periodic function of its variables, and which is used to describe some combustion fronts in solid media. An application to the `hump' effect in solid propellant combustion will be given.

Material used during the talk

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Back to IMA Minisymposium: Mathematical Investigations of Models in Combustion

1999-2000 Reactive Flow and Transport Phenomena

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