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Characterization of collision kernels

Published online by Cambridge University Press:  15 November 2003

Laurent Desvillettes
Affiliation:
École Normale Supérieure de Cachan, Centre de Mathématiques et leurs Applications, 61 Avenue du Président Wilson, 94235 Cachan, France. desville@cmla.ens-cachan.fr.
Francesco Salvarani
Affiliation:
Università degli Studi di Pavia, Dipartimento di Matematica, Via Ferrata, 1, 27100 , Italy. salvarani@dimat.unipv.it.
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Abstract

In this paper we show how abstract physical requirements are enoughto characterize the classical collision kernels appearing in kinetic equations. In particular Boltzmann and Landau kernels are derived.

Type
Research Article
Copyright
© EDP Sciences, SMAI, 2003

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