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arXiv 2410.13601math.APmath.DG
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非紧自收缩子上的对数 Sobolev 不等式

The Logarithmic Sobolev inequality on non-compact self-shrinkers

Guofang Wang, Chao Xia, Xiqiang Zhang

AI总结:

本文利用 ABP 方法将 Brendle 关于闭自收缩子的最优对数 Sobolev 不等式推广到欧氏空间中完备、非紧、适当嵌入的自收缩子,得到 Ecker 结果的尖锐版本。

摘要:

在本文中,我们在欧氏空间中建立了完备、非紧、适当嵌入的自收缩子的最优对数 Sobolev 不等式,该结果推广了 Brendle 最近关于闭自收缩子的结果。我们首先利用 Alexandrov-Bakelman-Pucci(ABP)方法给出欧氏空间中对数 Sobolev 不等式的一个证明。然后我们使用这一方法证明欧氏空间中完备、非紧、适当嵌入的自收缩子的最优对数 Sobolev 不等式,这是 Ecker 结果的尖锐版本。该证明是 Brendle 对闭子流形证明的非紧修正,并具有很大的潜力为非紧流形提供新的不等式。

英文摘要:

In the paper we establish an optimal logarithmic Sobolev inequality for complete, non-compact, properly embedded self-shrinkers in the Euclidean space, which generalizes a recent result of Brendle \cite{Brendle22} for closed self-shrinkers. We first provide a proof for the logarithmic Sobolev inequality in the Euclidean space by using the Alexandrov-Bakelman-Pucci (ABP) method. Then we use this approach to show an optimal logarithmic Sobolev inequality for complete, non-compact, properly embedded self-shrinkers in the Euclidean space, which is a sharp version of the result of Ecker in \cite{Ecker}. The proof is a noncompact modification of Brendle's proof for closed submanifolds and has a big potential to provide new inequalities in noncompact manifolds.

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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