Collapsing ancient solutions of mean curvature flow

Collapsing ancient solutions of mean curvature flow
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DOI:
10.4310/jdg/1632506300
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发表时间:
2021-10
影响因子:
2.5
通讯作者:
T. Bourni;Mathew T. Langford;G. Tinaglia
T. Bourni;Mathew T. Langford;G. Tinaglia
中科院分区:
数学1区
文献类型:
--
作者:
T. Bourni;Mathew T. Langford;G. Tinaglia

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我们构造了一个紧凑的,凸的古老的解决方案,平均曲率流在$\mathbb{R}^{n+1}$具有O(1)\times O(n)$对称性,位于一个板的宽度$\pi$。我们提供了详细的渐近解,并表明,刚性运动,这是唯一的紧凑,凸,O(n)$不变的古老的解决方案,在于在一个板的宽度$\pi$,并在没有更小的板。
We construct a compact, convex ancient solution of mean curvature flow in $\mathbb{R}^{n+1}$ with $O(1) \times O(n)$ symmetry that lies in a slab of width $\pi$. We provide detailed asymptotics for this solution and show that, up to rigid motions, it is the only compact, convex, $O(n)$-invariant ancient solution that lies in a slab of width $\pi$ and in no smaller slab.