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Averaging lemmas without time Fourier transform and application to discretized kinetic equations

Published online by Cambridge University Press:  14 November 2011

F. Bouchut
Affiliation:
Université d'Orléans et CNRS, UMR 6628, Département de Mathématiques, BP 6759, 45067 Orléans cedex 2, Francefbouchut@labomath.univ-orleans.fr
L. Desvillettes
Affiliation:
Université d'Orléans et CNRS, UMR 6628, Département de Mathématiques, BP 6759, 45067 Orléans cedex 2, Francedesville@labomath.univ-orleans.fr

Extract

We prove classical averaging lemmas in the L2 framework with the help of the Fourier transform in variables x and v, but not t. This method is then used to study discretized problems arising out of the numerical analysis of kinetic equations.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1999

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