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Transactions of the American Mathematical Society
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Propagation of Gevrey regularity for solutions of the Boltzmann equation for Maxwellian molecules

Author(s): Laurent Desvillettes; Giulia Furioli; Elide Terraneo
Journal: Trans. Amer. Math. Soc. 361 (2009), 1731-1747.
MSC (2000): Primary 76P05; Secondary 35B65
Posted: October 31, 2008
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Abstract: We prove that Gevrey regularity is propagated by the Boltzmann equation with Maxwellian molecules, with or without angular cut-off. The proof relies on the Wild expansion of the solution to the equation and on the characterization of Gevrey regularity by the Fourier transform.


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Additional Information:

Laurent Desvillettes
Affiliation: CMLA, ENS Cachan, CNRS, PRES UniverSud, 61, Avenue du Président Wilson, 94235 Cachan Cedex, France
Email: desville@cmla.ens-cachan.fr

Giulia Furioli
Affiliation: Dipartimento di Ingegneria dell'Informazione e Metodi Matematici, Università di Bergamo, Viale Marconi 5, I-24044 Dalmine (BG), Italy
Email: gfurioli@unibg.it

Elide Terraneo
Affiliation: Dipartimento di Matematica F. Enriques, Università degli studi di Milano, Via Saldini 50, I-20133 Milano, Italy
Email: terraneo@mat.unimi.it

DOI: 10.1090/S0002-9947-08-04574-1
PII: S 0002-9947(08)04574-1
Keywords: Homogeneous Boltzmann equation, cut-off and non-cut-off, propagation of regularity, Gevrey class
Received by editor(s): November 20, 2006
Posted: October 31, 2008
Copyright of article: Copyright 2008, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.


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