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Here are studied qualitative properties of the families of curves --foliations-- on a surface immersed in ${\mathbb R}^4$, along which it bends extremally in the direction of the mean normal curvature vector. Typical singularities and…

动力系统 · 数学 2007-05-23 R. Garcia , L. F. Mello , J. Sotomayor

This work is a survey of the most relevant background material to motivate and understand the construction and classification of translating solutions to mean curvature flow on a family of solvmanifolds. We introduce the mean curvature flow…

微分几何 · 数学 2024-01-02 Romina M. Arroyo , Gabriela P. Ovando , Raquel Perales , Mariel Sáez

Finite topology self translating surfaces to mean curvature flow of surfaces constitute a key element for the analysis of Type II singularities from a compact surface, since they arise in a limit after suitable blow-up scalings around the…

偏微分方程分析 · 数学 2015-01-19 Juan Dávila , Manuel del Pino , Xuan Hien Nguyen

We consider strictly convex hypersurfaces which are evolving by the non-parametric logarithmic Gauss curvature flow subject to a Neumann boundary condition. Solutions are shown to converge smoothly to hypersurfaces moving by translation. In…

偏微分方程分析 · 数学 2007-05-23 Oliver C. Schnuerer , Hartmut R. Schwetlick

In hyperbolic 3-space $\mathbb{H}^3$ surfaces of constant mean curvature $H$ come in three types, corresponding to the cases $0 \leq H < 1$, $H = 1$, $H > 1$. Via the Lawson correspondence the latter two cases correspond to constant mean…

微分几何 · 数学 2015-05-29 Josef F. Dorfmeister , Jun-ichi Inoguchi , Shimpei Kobayashi

We identify and study a class of hyperbolic 3-manifolds (which we call Macfarlane manifolds) whose quaternion algebras admit a geometric interpretation analogous to Hamilton's classical model for Euclidean rotations. We characterize these…

几何拓扑 · 数学 2019-06-28 Joseph A. Quinn

In this article we classify the conformally flat Euclidean hypersurfaces of dimension three with three distinct principal curvatures of $\mathbb{R}^4$, $\mathbb{S}^3\times \mathbb{R}$ and $\mathbb{H}^3\times \mathbb{R}$ with the property…

微分几何 · 数学 2020-06-25 João Paulo dos Santos , Ruy Tojeiro

Given a smooth closed embedded self-shrinker $S$ with index $I$ in $\mathbb{R}^{n}$, we construct an $I$-dimensional family of complete translators polynomially asymptotic to $S\times\mathbb{R}$ at infinity, which answers a long-standing…

微分几何 · 数学 2025-08-21 Ao Sun , Zhihan Wang

We study translators of the mean curvature flow in the product space $\h^2\times\r$. In $\h^2\times\r$ there are three types of translations: vertical translations due to the factor $\r$ and parabolic and hyperbolic translations from…

微分几何 · 数学 2024-02-16 Antonio Bueno , Rafael López

In this paper, we generalize a previous result to higher dimension. We prove that uniformly 3-convex translating solitons of mean curvature flow in $\mathbb{R}^{n+1}$ which arise as blow up limit of embedded, mean convex mean curvature flow…

微分几何 · 数学 2021-03-31 Jingze Zhu

In this paper, we give a full classification of the separable hypersurfaces of constant sectional curvature in the Euclidean $n$-space $\mathbb{R}^n$. In dimension $n=3$, this classification was solved by Hasanis and L\'opez [Manuscripta…

微分几何 · 数学 2023-09-13 Muhittin Evren Aydin , Rafael Lopez , Gabriel-Eduard Vilcu

This paper gives some examples of hypersurfaces $\phi_t(M^n)$ evolving in time with speed determined by functions of the normal curvatures in an $(n+1)$-dimensional hyperbolic manifold; we emphasize the case of flow by harmonic mean…

微分几何 · 数学 2013-09-25 Robert Gulliver , Guoyi Xu

In this paper, we investigate the regularized mean curvature flow starting from an invariant hypersurface in a Hilbert space equipped with an isometric and almost free action of a Hilbert Lie group whose orbits are regularized minimal. We…

微分几何 · 数学 2018-11-07 Naoyuki Koike

In this paper, we prove that the translating solitons of the mean curvature flow in $\mathbb{R}^4$ which arise as blow up limit of embedded, mean convex mean curvature flow must have $SO(2)$ symmetry.

微分几何 · 数学 2023-01-03 Jingze Zhu

In this paper, we prove a classification for complete embedded constant weighted mean curvature hypersurfaces $\Sigma\subset\mathbb{R}^{n+1}$. We characterize the hyperplanes and generalized round cylinders by using an intrinsic property on…

微分几何 · 数学 2019-12-10 Saul Ancari , Igor Miranda

Hypersurfaces of manifolds of constant nonzero sectional curvature are classificated according their restricted homogeneous holonomy groups.

微分几何 · 数学 2015-02-23 Ognian Kassabov

In our previous works we have classified real non-singular cubic hypersurfaces in the 5-dimensional projective space up to equivalence that includes both real projective transformations and continuous variations of coefficients preserving…

代数几何 · 数学 2020-03-10 Sergey Finashin , Viatcheslav Kharlamov

E. Cartan proved that conformally flat hypersurfaces in S^{n+1} for n>3 have at most two distinct principal curvatures and locally envelop a one-parameter family of (n-1)-spheres. We prove that the Gauss-Codazzi equation for conformally…

微分几何 · 数学 2009-09-29 Neil Donaldson , Chuu-Lian Terng

In this paper, we establish nonexistence results for complete translating solitons of the r-mean curvature flow under suitable growth conditions on the (r-1)-mean curvature and on the norm of the second fundamental form. We first show that…

微分几何 · 数学 2026-01-14 Hilário Alencar , G. Pacelli Bessa , Gregório Silva Neto

In this paper we study the geometry of first time singularities of the mean curvature flow. By the curvature pinching estimate of Huisken and Sinestrari, we prove that a mean curvature flow of hypersurfaces in the Euclidean space $\R^{n+1}$…

微分几何 · 数学 2009-03-20 Weimin Sheng , Xu-Jia Wang