期刊
JOURNAL OF DIFFERENTIAL EQUATIONS
卷 248, 期 6, 页码 1518-1560出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jde.2009.11.027
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类别
资金
- RGC Competitive Earmarked Research Grant of Hong Kong [103607]
- Chinese Educational Ministry in Shanghai Jiao Tong University
- NSFC [10601018]
- FANEDD
We study the hypocoercivity property for some kinetic equations in the whole space and obtain the optimal convergence rates of solutions to the equilibrium state in some function spaces. The analysis relies on the basic energy method and the compensating function introduced by Kawashima to the classical Boltzmann equation and developed by Glassey and Strauss in the relativistic setting. It is also motivated by the recent work (Duan et al., 2008 [8]) on the Boltzmann equation by combining the spectrum analysis and energy method. The advantage of the method introduced in this paper is that it can be applied to some complicated system whose detailed spectrum is not known. In fact, only some estimates through the Fourier transform on the conservative transport operator and the dissipation of the linearized operator on the subspace orthogonal to the collision invariants are needed. (C) 2009 Elsevier Inc. All rights. reserved.
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