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Low entropy and the mean curvature flow with surgery
Calculus of Variations and Partial Differential Equations ( IF 2.1 ) Pub Date : 2021-04-27 , DOI: 10.1007/s00526-021-01947-1 Alexander Mramor , Shengwen Wang
中文翻译:
手术的低熵和平均曲率流
更新日期:2021-04-27
Calculus of Variations and Partial Differential Equations ( IF 2.1 ) Pub Date : 2021-04-27 , DOI: 10.1007/s00526-021-01947-1 Alexander Mramor , Shengwen Wang
In this article, we extend the mean curvature flow with surgery to mean convex hypersurfaces with entropy less than \(\varLambda _{n-2}\). In particular, 2-convexity is not assumed. Next we show the surgery flow with just the initial convexity assumption \(H - \frac{\langle x, \nu \rangle }{2} > 0\) is possible and as an application we use the surgery flow to show that smooth n-dimensional closed self shrinkers with entropy less than \(\varLambda _{n-2}\) are isotopic to the round n-sphere.
中文翻译:
手术的低熵和平均曲率流
在本文中,我们通过手术将平均曲率流扩展到平均熵小于\(\ varLambda _ {n-2} \)的凸超曲面。特别地,不假定2-凸性。接下来,我们展示仅具有初始凸度假设\(H-\ frac {\ langle x,\ nu \ rangle} {2}> 0 \)的手术流程,并且作为一种应用,我们使用手术流程来证明平滑熵小于\(\ varLambda _ {n-2} \)的n维闭合自收缩器是圆形n球的同位素。