Strong Convergence towards self-similarity for one-dimensional dissipative Maxwell models

Details Strong Convergence towards self-similarity for one-dimensional dissipative Maxwell models Strong Convergence towards self-similarity for one-dimensional dissipative Maxwell models

2008-10-22

arxiv.org/abs/0810.4072v1

Mathematics

Analysis of PDEs

26 pages

Scientific paper

We prove the propagation of regularity, uniformly in time, for the scaled solutions of one-dimensional dissipative Maxwell models. This result together with the weak convergence towards the stationary state proven by Pareschi and Toscani in 2006 implies the strong convergence in Sobolev norms and in the L^1 norm towards it depending on the regularity of the initial data. In the case of the one-dimensional inelastic Boltzmann equation, the result does not depend of the degree of inelasticity. This generalizes a recent result of Carlen, Carrillo and Carvalho (arXiv:0805.1051v1), in which, for weak inelasticity, propagation of regularity for the scaled inelastic Boltzmann equation was found by means of a precise control of the growth of the Fisher information.

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