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We establish {\L}ojasiewicz inequalities for a class of cylindrical self-shrinkers for the mean curvature flow, which includes round cylinders and cylinders over Abresch-Langer curves, in any codimension. We deduce the uniqueness of blowups…

微分几何 · 数学 2024-09-18 Jonathan J. Zhu

We prove {\L}ojasiewicz inequalities for round cylinders and cylinders over Abresch-Langer curves, using perturbative analysis of a quantity introduced by Colding-Minicozzi. A feature is that this auxiliary quantity allows us to work…

微分几何 · 数学 2021-01-25 Jonathan J. Zhu

In this paper, we first use the method of Colding and Minicozzi [5] to show that K. Smoczyk's classification theorem [16] for complete self-shrinkers in higher codimension also holds under a weaker condition. Then as an application, we give…

微分几何 · 数学 2012-10-01 Haizhong Li , Yong Wei

We show scalar-mean curvature rigidity of warped products of round spheres of dimension at least 2 over compact intervals equipped with strictly log-concave warping functions. This generalizes earlier results of Cecchini-Zeidler to all…

微分几何 · 数学 2024-04-19 Christian Baer , Simon Brendle , Bernhard Hanke , Yipeng Wang

Self-shrinkers model singularities of the mean curvature flow; they are defined as the special solutions that contract homothetically under the flow. Colding-Ilmanen-Minicozzi showed that cylindrical self-shrinkers are rigid in a strong…

微分几何 · 数学 2019-08-06 Qiang Guang , Jonathan J. Zhu

In this paper, we prove that a two-dimensional self-shrinker, homeomorphic to the sphere, immersed in the three dimensional Euclidean space is a round sphere, provided its mean curvature and the norm of its position vector have an upper…

微分几何 · 数学 2021-09-14 Hilário Alencar , Gregório Silva Neto , Detang Zhou

We show that $S^2\times S^2$ is isolated as a shrinking Ricci soliton in the space of metrics, up to scaling and diffeomorphism. We also prove the same rigidity for $S^2\times N$, where $N$ belongs to a certain class of closed Einstein…

微分几何 · 数学 2023-03-29 Ao Sun , Jonathan J. Zhu

In this paper we prove rigidity results for the sphere, the plane and the right circular cylinder as the only self-shrinkers satisfying a classic geometric assumption, namely the union of all tangent affine submanifolds of a complete…

微分几何 · 数学 2023-09-21 Hilário Alencar , Manuel Cruz , Gregório Silva Neto

Shrinkers are special solutions of mean curvature flow (MCF) that evolve by rescaling and model the singularities. While there are infinitely many in each dimension, [CM1] showed that the only generic are round cylinders $\SS^k\times…

微分几何 · 数学 2015-02-13 Tobias Holck Colding , Tom Ilmanen , William P. Minicozzi

For any asymptotically conical self-shrinker with entropy less than or equal to that of a cylinder we show that the link of the asymptotic cone must separate the unit sphere into exactly two connected components, both diffeomorphic to the…

微分几何 · 数学 2017-03-01 Jacob Bernstein , Lu Wang

We prove a smooth compactness theorem for the space of embedded self-shrinkers in $\RR^3$. Since self-shrinkers model singularities in mean curvature flow, this theorem can be thought of as a compactness result for the space of all…

微分几何 · 数学 2009-07-16 Tobias H. Colding , William P. Minicozzi

In this paper we prove the scalar curvature extremality and rigidity for a class of warped product spaces that are possibly degenerate at the two ends. The leaves of these warped product spaces can be any closed Riemannian manifolds with…

微分几何 · 数学 2023-12-19 Jinmin Wang , Zhizhang Xie

In this paper, we survey known results on closed self-shrinkers for mean curvature flow and discuss techniques used in recent constructions of closed self-shrinkers with classical rotational symmetry. We also propose new existence and…

微分几何 · 数学 2017-08-31 Gregory Drugan , Hojoo Lee , Xuan Hien Nguyen

We construct many closed, embedded mean curvature self-shrinking surfaces $\Sigma_g^2\subseteq\mathbb{R}^3$ of high genus $g=2k$, $k\in \mathbb{N}$. Each of these shrinking solitons has isometry group equal to the dihedral group on $2g$…

微分几何 · 数学 2014-11-19 Niels Martin Møller

In this paper, we consider a family of closed hypersurfaces which shrink self-similarly with speed of quotient curvatures. We show that the only such hypersurfaces are shrinking spheres.

微分几何 · 数学 2019-08-14 Li Chen , Shanze Gao

For hypersurfaces of dimension greater than one, Huisken showed that compact self-shrinkers of the mean curvature flow with positive scalar mean curvature are spheres. We will prove the following extension: A compact self-similar solution…

微分几何 · 数学 2007-05-23 Knut Smoczyk

It has been known in that round spheres are the only closed homothetic self-similar solutions to the inverse mean curvature flow and parabolic curvature flows by degree -1 homogeneous functions of principle curvatures in the Euclidean…

微分几何 · 数学 2020-04-29 Nicholas Cheng-Hoong Chin , Frederick Tsz-Ho Fong , Jingbo Wan

The main purpose of this paper is the analytical study of self-shrinker solutions of the one-dimensional Landau-Lifshitz-Gilbert equation (LLG), a model describing the dynamics for the spin in ferromagnetic materials. We show that there is…

偏微分方程分析 · 数学 2020-05-22 Susana Gutiérrez , André de Laire

Using a maximum principle for self-shrinkers of the mean curvature flow, we give new proofs of a rigidity theorem for rotationally symmetric compact self-shrinkers and a result about the asymptotic behavior of self-shrinkers. This…

微分几何 · 数学 2014-12-16 Antoine Song

We show that toric surface singularities deform to toric surface singularities - both in equal and mixed characteristic. As an application, we establish Riemenschneiders conjecture that isolated cyclic quotient singularities of any…

代数几何 · 数学 2025-12-01 Matthias Pfeifer
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