This paper is devoted to investigating the asymptotic properties of the renormalized so- lution to the viscosity equation δtfε + v · △↓xfε = Q(fε, fε) + ε△vfε as ε →0+. We deduce that the renorma...This paper is devoted to investigating the asymptotic properties of the renormalized so- lution to the viscosity equation δtfε + v · △↓xfε = Q(fε, fε) + ε△vfε as ε →0+. We deduce that the renormalized solution of the viscosity equation approaches to the one of the Boltzmann equation in L^1((0, T) × RN × R^N). The proof is based on compactness analysis and velocity averaging theory.展开更多
基金Supported by the Innovation Team Foundation of the Department of Education of Zhejiang Province (Grant No. T200924)National Natural Science Foundation of China (Grant No. 11101140)supported by National Natural Science Foundation of China (Grant No. 11071119)
文摘This paper is devoted to investigating the asymptotic properties of the renormalized so- lution to the viscosity equation δtfε + v · △↓xfε = Q(fε, fε) + ε△vfε as ε →0+. We deduce that the renormalized solution of the viscosity equation approaches to the one of the Boltzmann equation in L^1((0, T) × RN × R^N). The proof is based on compactness analysis and velocity averaging theory.