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In this article, we establish some uniqueness and symmetry results of self-similar solutions to curvature flows by some homogeneous speed functions of principal curvatures in some warped product spaces. In particular, we proved that any…

Differential Geometry · Mathematics 2024-11-14 Frederick Tsz-Ho Fong

In some warped product manifolds including space forms, we consider closed self-similar solutions to curvature flows whose speeds are negative powers of mean curvature, Gauss curvature and other curvature functions with suitable properties.…

Differential Geometry · Mathematics 2023-09-06 Shanze Gao

In this paper, we investigate closed strictly convex hypersurfaces in $\mathbb{R}^{n+1}$ which shrink self-similarly under a large family of fully nonlinear curvature flows by high powers of curvature. When the speed function is given by…

Differential Geometry · Mathematics 2021-09-28 Shanze Gao , Haizhong Li , Xianfeng Wang

In this paper we prove rigidity results for two-dimensional, closed, immersed, non-necessarily convex, self-similar solutions of a wide class of fully non-linear parabolic flows in $\mathbb{R}^3$. We show this self-similar solutions are the…

Differential Geometry · Mathematics 2020-09-23 Hilário Alencar , Gregório Silva Neto , Detang Zhou

We show that the solutions to the curvature flow (CF) for curves on the 2-dimensional light cone are in correspondence with the solutions to the inverse curvature flow (ICF). We prove that the ellipses and the hyperboles are the only curves…

Differential Geometry · Mathematics 2021-09-09 Fabio Nunes da Silva , Keti Tenenblat

We classify the self-similar solutions to a class of Weingarten curvature flow of connected compact convex hypersurfaces, isometrically immersed into space forms with non-positive curvature, and obtain a new characterization of a sphere in…

Differential Geometry · Mathematics 2009-05-07 Guanghan Li , Isabel Salavessa , Chuanxi Wu

A recent article by Li and Lv considered fully nonlinear contraction of convex hypersurfaces by certain nonhomogeneous functions of curvature, showing convergence to points in finite time in cases where the speed is a function of a…

Analysis of PDEs · Mathematics 2020-05-20 James McCoy

We will give a new proof of a recent result of P.~Daskalopoulos, G.Huisken and J.R.King ([DH] and reference [7] of [DH]) on the existence of self-similar solution of the inverse mean curvature flow which is the graph of a radially symmetric…

Analysis of PDEs · Mathematics 2018-08-24 K. M. Hui

In this paper, employing a new inequality, we show that under certain curvature pinching condition, the strictly convex closed smooth self-similar solution of $\sigma_k^{\alpha}$-flow must be a round sphere. We also obtain a similar result…

Differential Geometry · Mathematics 2016-11-24 Shanze Gao , Hui Ma

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.

Differential Geometry · Mathematics 2019-08-14 Li Chen , Shanze Gao

In this paper we make an analysis of self-similar solutions for the mean curvature flow (MCF) by surfaces of revolution and ruled surfaces in $\mathbb{R}^{3}$. We prove that self-similar solutions of the MCF by non-cylindrival surfaces and…

Differential Geometry · Mathematics 2023-04-12 Benedito Leandro , Rafael Novais , Hiuri F. S. dos Reis

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…

Differential Geometry · Mathematics 2020-04-29 Nicholas Cheng-Hoong Chin , Frederick Tsz-Ho Fong , Jingbo Wan

By the curve shortening flow, the only closed embedded contracting self-similar solutions are circles: we give a very short and intuitive geometric proof of this basic and classical result using an idea of Gage.

Differential Geometry · Mathematics 2015-07-01 Lucas Z. Veeravalli , Emma H. Veeravalli , Alain R. Veeravalli

We show the uniqueness of strictly convex closed smooth self-similar solutions to the $\alpha$-Gauss curvature flow with $(1/n) < \alpha < 1+(1/n)$. We introduce a Pogorelov type computation, and then we apply the strong maximum principle.…

Differential Geometry · Mathematics 2016-09-20 Kyeongsu Choi , Panagiota Daskalopoulos

We show existence of homothetically shrinking solutions of the fractional mean curvature flow, whose boundary consists in a prescribed numbers of concentric spheres. We prove that all these solutions, except from the ball, are dynamically…

Analysis of PDEs · Mathematics 2019-05-21 Annalisa Cesaroni , Matteo Novaga

(accepted for publication in the Ap.J.) I present a general classification of self-similar solutions to the equations of gravitational hydrodynamics that contain many previous results as special cases. For cold flows with spherical…

Astrophysics · Physics 2009-10-22 Ue-Li Pen

We show that self-similar solutions for the mean curvature flow, surface diffusion and Willmore flow of entire graphs are stable upon perturbations of initial data with small Lipschitz norm. Roughly speaking, the perturbed solutions are…

Analysis of PDEs · Mathematics 2021-09-01 Hengrong Du , Nung Kwan Yip

Given a smooth, symmetric, homogeneous of degree one function $f\left(\lambda_{1},\cdots,\,\lambda_{n}\right)$ satisfying $\partial_{i}f>0$ for all $i=1,\cdots,\,n$, and a rotationally symmetric cone $\mathcal{C}$ in $\mathbb{R}^{n+1}$, we…

Differential Geometry · Mathematics 2017-08-25 Siao-Hao Guo

We give a classification of spherically symmetric kinematic self-similar solutions. This classification is complementary to that given in a previous work by the present authors [Prog. Theor. Phys. 108, 819 (2002)]. Dust solutions of the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Hideki Maeda , Tomohiro Harada , Hideo Iguchi , Naoya Okuyama

Let $(M,g)$ be an asymptotically hyperbolic manifold with a smooth conformal compactification. We establish a general correspondence between semilinear elliptic equations of scalar curvature type on $\del M$ and Weingarten foliations in…

Differential Geometry · Mathematics 2007-10-12 Rafe Mazzeo , Frank Pacard
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