【摘 要】
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I will talk about the time-asymptotic stability of a superposition of two viscous shock waves for one-dimensional Boltzmann equation in Eulerian coordinate unde
【机 构】
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ChineseAcademyofSciences,China
【出 处】
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2014年非线性偏微分方程的演化国际会议
论文部分内容阅读
I will talk about the time-asymptotic stability of a superposition of two viscous shock waves for one-dimensional Boltzmann equation in Eulerian coordinate under the general initial perturbation without the zero total macroscopic mass condition.Roughly speaking,the general perturbation without the zero mass condition will generate not only the shifts on the two viscous shock waves,but also the linear diffusion wave in the linearly degenerate field.Furthermore,the coupled diffusion waves for the macroscopic part are also crucial in the stability analysis.By using the delicate weighted characteristic energy estimates based on the underlying wave structure,we succeed in proving the time-asymptotic stability of a superposition of two viscous shock waves for Boltzmann equation in Eulerian coordinate without the zero initial mass condition.It is noted that this is the first time-asymptotic stability result for the superposition of two waves for Boltzmann equation even though the stability towards a single wave has been well-established.This is a joint work with Teng Wang.
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