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In this paper we solve the Plateau problem for spacelike surfaces with constant mean curvature in Lorentz-Minkowski three-space $\l^3$ and spanning two circular (axially symmetric) contours in parallel planes. We prove that rotational…

Differential Geometry · Mathematics 2007-05-23 Rafael Lopez

We give a proof that Brakke's mean curvature flow under the unit density assumption is smooth almost everywhere in space-time. More generally, if the velocity is equal in a weak sense to its mean curvature plus some given \alpha-H\"{o}lder…

Analysis of PDEs · Mathematics 2016-06-02 Yoshihiro Tonegawa

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…

Differential Geometry · Mathematics 2015-05-29 Josef F. Dorfmeister , Jun-ichi Inoguchi , Shimpei Kobayashi

For any $H$ in (0,1/2), we construct complete, non-proper, stable, simply-connected surfaces embedded in $H^2xR$ with constant mean curvature $H$.

Differential Geometry · Mathematics 2018-03-06 Baris Coskunuzer , William H. Meeks , Giuseppe Tinaglia

Total five different types of translation surfaces, based upon planarity of translating curves and the absolute figure, arise in a Galilean 3-space. Excepting the type in which both of translating curves are non-planar we obtain these…

Differential Geometry · Mathematics 2017-02-03 Alper Osman Ogrenmis , Mihriban Kulahci , Muhittin Evren Aydin

In this paper, we give the geometric meaning of hypersurfaces with constant mean curvature in a Finsler manifold by using volume preserving variation. Then we give the correspondence between principal curvatures of submanifolds by a…

Differential Geometry · Mathematics 2024-03-14 Yali Chen , Qun He , Yantong Qian

We consider projective rational strong Calabi dream surfaces: projective smooth rational surfaces which admit a constant scalar curvature K\"ahler metric for every K\"ahler class. We show that there are only two such rational surfaces,…

Algebraic Geometry · Mathematics 2020-10-02 Jesus Martinez-Garcia

We prove that two spheres of the same constant mean curvature in an arbitrary homogeneous three-manifold only differ by an ambient isometry, and we determine the values of the mean curvature for which such spheres exist. This gives a…

Differential Geometry · Mathematics 2017-06-29 William H. Meeks , Pablo Mira , Joaquin Perez , Antonio Ros

We determine non-Hopf hypersurfaces with constant mean curvature in the complex projective plane which attain equality in a basic inequality between the maximum Ricci curvature and the squared mean curvature.

Differential Geometry · Mathematics 2017-02-09 Toru Sasahara

A $k$-harmonic map is a critical point of the $k$-energy in the space of smooth maps between two Riemannian manifolds. In this paper, we prove that if $M^{n} (n\ge 3)$ is a CMC proper triharmonic hypersurface with at most three distinct…

Differential Geometry · Mathematics 2021-05-04 Hang Chen , Zhida Guan

In this paper, we prove convergence of the high codimension mean curvature flow in the sphere to either a round point or a totally geodesic sphere assuming a pinching condition between the norm squared of the second fundamental form and the…

Differential Geometry · Mathematics 2020-04-28 Charles Baker , Huy The Nguyen

We consider $n$-dimensional hypersurfaces flowing by mean curvature flow with Neumann free boundary conditions supported on a smooth support surface. We show that the Hausdorff $n$-measure of the singular set is zero. In fact, we consider…

Differential Geometry · Mathematics 2010-12-21 Amos N. Koeller

We show the existence of constant mean curvature surfaces in the homology classes of closed 3-manifolds.

Differential Geometry · Mathematics 2020-01-03 Baris Coskunuzer

In this paper we prove that the only algebraic constant mean curvature (cmc) surfaces in R^3 of order less than four are the planes, the spheres and the cylinders. The method used heavily depends on the efficiency of algorithms to compute…

Differential Geometry · Mathematics 2010-02-02 Oscar M. Perdomo

We study the convergence of an axially symmetric hypersurface evolving by volume preserving mean curvature flow. Assuming the surface is not pinching off along the axis at any time during the flow, and without any additional conditions, as…

Differential Geometry · Mathematics 2011-08-31 Maria Athanassenas , Sevvandi Kandanaarachchi

Using Green's theorem we reduce the variation of the total mean curvature of a smooth surface in the Euclidean 3-space to a line integral of a special vector field and obtain the following well-known theorem as an immediate consequence: the…

Differential Geometry · Mathematics 2009-10-10 Victor Alexandrov

This paper is devoted to the 3-dimensional relative differential geometry of surfaces. In the Euclidean space $\R{E} ^3 $ we consider a surface $\varPhi %\colon \vect{x} = \vect{x}(u^1,u^2) $ with position vector field $\vect{x}$, which is…

Differential Geometry · Mathematics 2017-06-29 Stylianos Stamatakis , Ioannis Kaffas , Ioannis Delivos

We use PDE methods as developed for the Liouville equation to study the existence of conformal metrics with prescribed singularities on surfaces with boundary, the boundary condition being constant geodesic curvature. Our first result shows…

Differential Geometry · Mathematics 2007-12-20 Juergen Jost , Guofang Wang , Chunqin Zhou

In this paper, we study $n$-dimensional hypersurfaces with constant $m^{\text{th}}$ mean curvature in a unit sphere $S^{n+1}(1)$ and construct many compact nontrivial embedded hypersurfaces with constant $m^{\text{th}}$ mean curvature…

Differential Geometry · Mathematics 2009-04-03 Qing-Ming Cheng , Haizhong Li , Guoxin Wei

The mean curvature flow is an evolution process under which a submanifold deforms in the direction of its mean curvature vector. The hypersurface case has been much studied since the eighties. Recently, several theorems on regularity,…

Differential Geometry · Mathematics 2007-05-23 Mu-Tao Wang
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