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Fokker-Planck-Boltzmann方程的空间均匀解
Spatially Homogeneous Solutions of the Fokker-Planck-Boltzmann Equation
【摘要】 本文研究空间均匀的Fokker-Planck-Boltzmann方程.对满足质量和动量守恒以及能量线性增长的解,给出了其在任何时间区间[δ,T](?)(0,∞)上的加权L1和L2估计.利用这些结果以及碰撞算子已知的Lp和Sobolev估计,我们建立了方程解的光滑性和唯一性.
【Abstract】 This paper is devoted to studying the spatially homogeneous Fokker-Planck-Boltzmann equation. For solutions satisfying conservation of mass and momentum, and linear increasing of energy, new weighted L1 and L2 estimates on any time interval [δ, T] (?) (O,∞) are given. With these results and the known Lp and Sobolev estimates of the collision operator, we establish the smoothness and uniqueness of the solutions of the equation.
【基金】 国家自然科学基金资助项目(10571066)
- 【文献出处】 数学学报 ,Acta Mathematica Sinica , 编辑部邮箱 ,2007年01期
- 【分类号】O175
- 【被引频次】8
- 【下载频次】143