Gradient and oscillation estimates and their applications in geometric PDE

Gradient and oscillation estimates and their applications in geometric PDE
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梯度和振荡估计及其在几何偏微分方程中的应用

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发表时间:
2012
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通讯作者:
B. Andrews
B. Andrews
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作者:
B. Andrews

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我们描述了几何偏微分方程中最近的一些“振荡”估计,其中估计是使用应用于取决于几个点的函数的最大值原理来产生的。应用包括尖锐的短时正则性结果、与特征值的最优估计密切相关的尖锐的长期行为,以及几何演化方程的几个关键结果的优雅证明。
We describe some recent 'oscillation' estimates in geometric PDE, where estimates are produced using the maximum principle applied to func- tions depending on several points. Applications include sharp short-time reg- ularity results, sharp long-time behaviour which related closely to optimal es- timates on eigenvalues, and elegant proofs of several key results on geometric evolution equations.