arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1604.00530math.AP
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椭圆型和抛物型方程解的临界点研究引论

An introduction to the study of critical points of solutions of elliptic and parabolic equations

Rolando Magnanini

摘要:

我们给出了一个调查的介绍水平的老的和最近的结果在研究的临界点的解决方案的椭圆和抛物型偏微分方程。为了保持演示文稿简单,我们主要考虑四个典型的边值问题:拉普拉斯方程的狄利克雷问题;扭转蠕变问题;拉普拉斯方程的狄利克雷本征函数的情况下;热方程的初边值问题。我们将主要解决三个问题:临界集的局部大小的估计;临界点的数量对边界值和域的几何形状的依赖性;临界点在域中的位置。

英文摘要:

We give a survey at an introductory level of old and recent results in the study of critical points of solutions of elliptic and parabolic partial differential equations. To keep the presentation simple, we mainly consider four exemplary boundary value problems: the Dirichlet problem for the Laplace's equation; the torsional creep problem; the case of Dirichlet eigenfunctions for the Laplace's equation; the initial-boundary value problem for the heat equation. We shall mostly address three issues: the estimation of the local size of the critical set; the dependence of the number of critical points on the boundary values and the geometry of the domain; the location of critical points in the domain.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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