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The large diffusion limit for the heat equation with a dynamical boundary condition
Communications in Contemporary Mathematics ( IF 1.2 ) Pub Date : 2020-01-24 , DOI: 10.1142/s0219199720500030
Marek Fila 1 , Kazuhiro Ishige 2 , Tatsuki Kawakami 3
Affiliation  

We study the heat equation on a half-space with a linear dynamical boundary condition. Our main aim is to show that, if the diffusion coefficient tends to infinity, then the solutions converge (in a suitable sense) to solutions of the Laplace equation with the same dynamical boundary condition.

中文翻译:

具有动态边界条件的热方程的大扩散极限

我们研究了具有线性动态边界条件的半空间上的热方程。我们的主要目的是表明,如果扩散系数趋于无穷大,则解会收敛(在适当的意义上)具有相同动态边界条件的拉普拉斯方程的解。
更新日期:2020-01-24
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