Please use this identifier to cite or link to this item: https://ah.nccu.edu.tw/handle/140.119/79645


Title: PROPAGATION OF SINGULARITIES IN THE SOLUTIONS TO THE BOLTZMANN EQUATION NEAR EQUILIBRIUM
Authors: Li, Meng-Rong
李明融
Contributors: 應用數學系
Date: 2008
Issue Date: 2015-12-10 18:09:32 (UTC+8)
Abstract: This paper is about the propagation of the singularities in the solutions to the Cauchy problem of the spatially inhomogeneous Boltzmann equation with angular cutoff assumption. It is motivated by the work of Boudin–Desvillettes on the propagation of singularities in solutions near vacuum. It shows that for the solution near a global Maxwellian, singularities in the initial data propagate like the free transportation. Precisely, the solution is the sum of two parts in which one keeps the singularities of the initial data and the other one is regular with locally bounded derivatives of fractional order in some Sobolev space. In addition, the dependence of the regularity on the cross-section is also given.
Relation: Mathematical Models and Methods in Applied Sciences , Volume 18, Issue 07, July 2008
Data Type: article
DOI 連結: http://dx.doi.org/10.1142/S0218202508002966
Appears in Collections:[應用數學系] 期刊論文

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