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We introduce the shifted inverse curvature flow in hyperbolic space. This is a family of hypersurfaces in hyperbolic space expanding by $F^{-p}$ with positive power $p$ for a smooth, symmetric, strictly increasing and $1$-homogeneous…

微分几何 · 数学 2023-02-03 Xianfeng Wang , Yong Wei , Tailong Zhou

We study the existence of at least one conformal metric of prescribed Gaussian curvature on a closed surface $\Sigma$ admitting conical singularities of orders $\alpha_i$'s at points $p_i$'s. In particular, we are concerned with the case…

偏微分方程分析 · 数学 2017-01-20 Teresa D'Aprile , Francesca De Marchis , Isabella Ianni

In this paper a generalized Gauss curvature flow about a convex hypersurface in the Euclidean $n$-space is studied. This flow is closely related to the Orlicz-Minkowski problem, which involves Gauss curvature and a function of support…

偏微分方程分析 · 数学 2020-05-07 YanNan Liu , Jian Lu

We consider the smooth inverse mean curvature flow of strictly convex hypersurfaces with boundary embedded in $\mathbb{R}^{n+1},$ which are perpendicular to the unit sphere from the inside. We prove that the flow hypersurfaces converge to…

微分几何 · 数学 2016-03-09 Ben Lambert , Julian Scheuer

The paper studies a curvature flow linked to the physical phenomenon of wound closure. Under the flow we show that a closed, initially convex or close-to-convex curve shrinks to a round point in finite time. We also study the singularity,…

微分几何 · 数学 2018-02-13 Shuhui He , Glen Wheeler , Valentina-Mira Wheeler

In this paper, we study self-expanding solutions to a large class of parabolic inverse curvature flows by homogeneous symmetric functions of principal curvatures in Euclidean spaces. These flows include the inverse mean curvature flow and…

微分几何 · 数学 2018-06-19 Tsz-Kiu Aaron Chow , Ka-Wing Chow , Frederick Tsz-Ho Fong

In this paper, we consider the contracting curvature flow of smooth closed surfaces in $3$-dimensional hyperbolic space and in $3$-dimensional sphere. In the hyperbolic case, we show that if the initial surface $M_0$ has positive scalar…

微分几何 · 数学 2020-09-29 Yingxiang Hu , Haizhong Li , Yong Wei , Tailong Zhou

We show, for mean curvature flows in Euclidean space, that if one of the tangent flows at a given space-time point consists of a closed, multiplicity-one, smoothly embedded self-similar shrinker, then it is the unique tangent flow at that…

微分几何 · 数学 2011-10-12 Felix Schulze

We study the contraction of a convex immersed plane curve with speed (1/{\alpha})k^{{\alpha}}, where {\alpha}in(0,1] is a constant and show that, if the blow-up rate of the curvature is of type one, it will converge to a homothetic…

微分几何 · 数学 2010-09-27 Yu-Chu Lin , Chi-Cheung Poon , Dong-Ho Tsai

In this paper, we study the locally constrained inverse curvature flow for hypersurfaces in the half-space with $\theta$-capillary boundary, which was recently introduced by Wang-Weng-Xia. Assume that the initial hypersurface is strictly…

微分几何 · 数学 2025-08-28 Yingxiang Hu , Yong Wei , Bo Yang , Tailong Zhou

We study the motion of smooth, closed, strictly convex hypersurfaces in Rn+1 expanding in the direction of their normal vector field with speed depending on the k-th elementary symmetric polynomial of the principal radii of curvature. As an…

偏微分方程分析 · 数学 2020-01-22 Li Chen , Qiang Tu , Ni Xiang

We consider the volume preserving flow of smooth, closed and convex hypersurfaces in the hyperbolic space $\mathbb{H}^{n+1}$ with speed given by a general nonhomogeneous function of the Gauss curvature. For a large class of speed functions,…

微分几何 · 数学 2025-04-04 Yong Wei , Bo Yang , Tailong Zhou

By means of dual convex bodies, we obtain regularity of solutions to the expanding Gauss curvature flows with homogeneity degrees $-p$, $0<p<1$. At the end, we remark that our method can also be used to obtain regularity of solutions to the…

微分几何 · 数学 2014-02-26 Mohammad N. Ivaki

In this paper, we study a class of flows of closed, star-shaped hypersurfaces in hyperbolic space $\mathbb{H}^{n+1}$ with speed $(\sinh r)^{{\alpha}/{\beta}} \sigma_{k}^{{1}/{\beta}}$, where $\sigma_{k}$ is the $k$-th elementary symmetric…

微分几何 · 数学 2026-04-27 Fang Hong

In this paper we consider closed non-collapsed ancient solutions to the mean curvature flow ($n \ge 2$) which are uniformly two-convex. We prove that any two such ancient solutions are the same up to translations and scaling. In particular,…

微分几何 · 数学 2018-04-20 Sigurd B. Angenent , Panagiota Daskalopoulos , Natasa Sesum

We construct the ancient solutions of the hypersurface flows in Euclidean spaces studied by B. Andrews in 1994. As time $t \rightarrow 0^-$ the solutions collapse to a round point where $0$ is the singular time. But as $t\rightarrow-\infty$…

微分几何 · 数学 2018-12-13 Peng Lu , Jiuru Zhou

Self-shrinkers are the special solutions of mean curvature flow in $\mathbf{R}^{n+1}$ that evolve by shrinking homothetically; they serve as singularity models for the flow. The entropy of a hypersurface introduced by Colding-Minicozzi is a…

微分几何 · 数学 2016-07-27 Jonathan J. Zhu

We show that any smooth closed immersed curve in $\mathbb R^n$ with a one-to-one convex projection onto some $2$-plane develops a Type~I singularity and becomes asymptotically circular under Curve Shortening flow in $\mathbb R^n$. As an…

微分几何 · 数学 2026-05-22 Qi Sun

We study the mean curvature flow of hypersurfaces in $\R^{n+1}$, with initial surfaces sufficiently close to the standard $n$-dimensional sphere. The closeness is in the Sobolev norm with the index greater than $\frac{n}{2}+1$ and therefore…

微分几何 · 数学 2012-04-10 Israel Michael Sigal , Wenbin Kong

In this article, we study a locally constrained fully nonlinear curvature flow for convex capillary hypersurfaces in half-space. We prove that the flow preserves the convexity, exists for all time, and converges smoothly to a spherical cap.…

偏微分方程分析 · 数学 2025-02-20 Xinqun Mei , Liangjun Weng