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    政大機構典藏 > 理學院 > 應用數學系 > 期刊論文 >  Item 140.119/79645


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    題名: PROPAGATION OF SINGULARITIES IN THE SOLUTIONS TO THE BOLTZMANN EQUATION NEAR EQUILIBRIUM
    作者: Li, Meng-Rong
    李明融
    貢獻者: 應用數學系
    日期: 2008
    上傳時間: 2015-12-10 18:09:32 (UTC+8)
    摘要: 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.
    關聯: Mathematical Models and Methods in Applied Sciences , Volume 18, Issue 07, July 2008
    資料類型: article
    DOI 連結: http://dx.doi.org/10.1142/S0218202508002966
    DOI: 10.1142/S0218202508002966
    顯示於類別:[應用數學系] 期刊論文

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