Hypoellipticity for a class of kinetic equations

Hypoellipticity for a class of kinetic equations
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DOI:
10.1215/kjm/1250281072
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发表时间:
2007
影响因子:
--
通讯作者:
Y. Morimoto;Chao-Jiang Xu
Y. Morimoto;Chao-Jiang Xu
中科院分区:
--
文献类型:
--
作者:
Y. Morimoto;Chao-Jiang Xu

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在这项工作中,我们研究了来自一些动力学方程(例如玻尔兹曼方程和 VlasovFokker-Planck 方程)线性化的一类算子。由于它不是标准类的伪微分算子,因此我们在某些权函数空间中获得了亚椭圆估计,并显示了线性和半线性方程弱解的规律性。
In this work, we study a class of operators coming from the linearization of some kinetic equations such as Boltzmann equations and VlasovFokker-Planck equations. Since it is not a standard class of pseudodierential operators, we obtain hypoelliptic estimates in some weight functions space and show the regularity of weak solutions for linear and semilinear equations.