arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2004.06051math.DGmath.APmath.SP
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通过形状optimization的欧氏球中任意拓扑型的自由边界极小曲面

Free boundary minimal surfaces of any topological type in Euclidean balls via shape optimization

Henrik Matthiesen, Romain Petrides

摘要:

对于任何具有光滑非空边界的紧致曲面$Σ$,我们构造了一个自由边界极小浸入到欧氏球$\mathbb{B}^N$中,其中$N$是根据$Σ$的拓扑结构来控制的.我们获得这些作为最大化度量的等周问题的第一个非平凡的斯捷克洛夫特征值。我们的主要技术成果涉及渐近控制的特征值在一个微妙的胶合建设,使我们能够证明剩余的光谱间隙条件,以完成该计划的弗雷泽-舍恩和第二命名的作者,以获得这样的mazimizing度量。我们的建设从早期的工作,由第一个命名的作者与Siffert在封闭的情况下相应的问题的动机。

英文摘要:

For any compact surface $Σ$ with smooth, non-empty boundary, we construct a free boundary minimal immersion into a Euclidean Ball $\mathbb{B}^N$ where $N$ is controlled in terms of the topology of $Σ$. We obtain these as maximizing metrics for the isoperimetric problem for the first non-trivial Steklov eigenvalue. Our main technical result concerns asymptotic control on eigenvalues in a delicate glueing construction which allows us to prove the remaining spectral gap conditions to complete the program by Fraser--Schoen and the second named author to obtain such mazimizing metrics. Our construction draws motivation from earlier work by the first named author with Siffert on the corresponding problem in the closed case.

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