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We will discuss some sharp estimates for CMC graphs in a Riemannian 3-manifold MxR whose boundary is contained in a slice. We will start by giving sharp lower bounds for the geodesic curvature of the boundary and improve these bounds when…

Differential Geometry · Mathematics 2014-11-25 José M. Manzano

We show that the index of a constant mean curvature 1 surface in hyperbolic 3-space is completely determined by the compact Riemann surface and secondary Gauss map that represent it in Bryant's Weierstrass representation. We give three…

Differential Geometry · Mathematics 2008-07-01 Levi Lopes de Lima , Wayne Rossman

We present the results of a large-scale simulation of a Dynamically Triangulated Random Surface with extrinsic curvature embedded in three-dimensional flat space. We measure a variety of local observables and use a finite size scaling…

High Energy Physics - Lattice · Physics 2009-10-22 Mark Bowick , Paul Coddington , Leping Han , Geoffrey Harris , Enzo Marinari

Conformal mappings of surfaces of constant mean curvature onto compact bounded background spaces are constructed for Minkowski space-time and for Schwarzschild black hole spacetimes. In the black hole example, it is found that initial data…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Robert H. Gowdy

This paper presents a method for computing two-dimensional constant mean curvature surfaces. The method in question uses the variational aspect of the problem to implement an efficient algorithm. In principle it is a flow like method in…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Jan Metzger

Let $M$ denote a low-dimensional manifold embedded in Euclidean space and let ${X}= \{ x_1, \dots, x_n \}$ be a collection of points uniformly sampled from it. We study the relationship between the curvature of a random geometric graph…

Differential Geometry · Mathematics 2024-08-27 Nicolas Garcia Trillos , Melanie Weber

It is known that complex constant mean curvature ({\sc CMC} for short) immersions in $\mathbb C^3$ are natural complexifications of {\sc CMC}-immersions in $\mathbb R^3$. In this paper, conversely we consider {\it real form surfaces} of a…

Differential Geometry · Mathematics 2012-03-09 Shimpei Kobayashi

We give some uniform estimates for constant mean curvature solutions of the conformal vacuum Einstein constraint equations on compact manifolds. Existence of those solutions was given in a paper by J. Isenberg.

Differential Geometry · Mathematics 2007-05-23 Yu Yan

We establish the existence of hypersurfaces with constant mean curvature and a prescribed boundary in Euclidean space, represented as radial graphs over domains of the unit sphere. Under the assumptions that the mean curvature of the…

Differential Geometry · Mathematics 2025-07-25 Flávio Cruz , José T. Cruz , Jocel Oliveira

In this note we characterize compact hypersurfaces of dimension $n\geq 2$ with constant mean curvature $H$ immersed in space forms of constant curvature and satisfying an optimal integral pinching condition: they are either totally…

Differential Geometry · Mathematics 2016-12-06 Giovanni Catino

On a compact manifold with boundary, the map consisting of the scalar curvature in the interior and the mean curvature on the boundary is a local surjection at generic metrics. We prove that this result may be localized to compact…

Differential Geometry · Mathematics 2025-12-02 Hongyi Sheng

In this paper we prove general inequalities involving the weighted mean curvature of compact submanifolds immersed in weighted manifolds. As a consequence we obtain a relative linear isoperimetric inequality for such submanifolds. We also…

Differential Geometry · Mathematics 2014-02-07 Marcio Batista , Marcos P. Cavalcante , Juncheol Pyo

In this work, we obtain a geometric description of surfaces $M^2$ of arbitrary codimension in the warped product $\mathbb{R}\times_\rho\mathbb{Q}^n_\epsilon$, with parallel mean curvature vector field in the normal connection, extending a…

Differential Geometry · Mathematics 2026-03-03 Fernando Manfio , Verônica Reis , Feliciano Vitório

The isotropic 3-space I^3 which is one of the Cayley--Klein spaces is obtained from the Euclidean space by substituting the usual Euclidean distance with the isotropic distance. In the present paper, we give several classifications on the…

Differential Geometry · Mathematics 2017-06-05 Muhittin Evren Aydin

In this article we study surfaces in $\mathbb{S}^3(1) \times \mathbb{R}$ for which the $\mathbb{R}$-direction makes a constant angle with the normal plane. We give a complete classification for such surfaces with parallel mean curvature…

Differential Geometry · Mathematics 2011-05-04 Daguang Chen , Gangyi Chen , Hang Chen , Franki Dillen

In this article, using the generalized Newton transformation, we define higher order mean curvatures of distributions of arbitrary codimension and we show that they agree with the ones from Brito and Naveira (Ann. Global Anal. Geom. 18,…

Differential Geometry · Mathematics 2013-06-14 Krzysztof Andrzejewski , Pawel Walczak

In this paper we study curvature types of immersed surfaces in three-dimensional (normed or) Minkowski spaces. By endowing the surface with a normal vector field, which is a transversal vector field given by the ambient Birkhoff…

Differential Geometry · Mathematics 2017-09-05 Vitor Balestro , Horst Martini , Ralph Teixeira

In Sol$_3$ space there are three uniparametric groups of isometries. In this work we study constant mean curvature surfaces invariant by one of these groups. We analyze the geometric properties of these surfaces by means of their computer…

Differential Geometry · Mathematics 2011-12-13 Rafael López

The well known formulas express the curvature and the torsion of a curve in $R^3$ in terms of euclidean invariants of its derivatives. We obtain expressions of this kind for all curvatures of curves in $R^n$. It follows that a curve in…

Differential Geometry · Mathematics 2012-12-03 Eugene Gutkin

We define a notion of mean curvature flow with surgery for two-dimensional surfaces in $\mathbb{R}^3$ with positive mean curvature. Our construction relies on the earlier work of Huisken and Sinestrari in the higher dimensional case. One of…

Differential Geometry · Mathematics 2015-09-01 S. Brendle , G. Huisken