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A gap in the proof prevents us to show that surfaces with constant mean curvature closed to 1/2 in H2 X R and having boundary with curvature greater than one, contained in a horizontal section P of H2 X R are topological disks, provided…

Differential Geometry · Mathematics 2019-10-29 Vlad Moraru , Barbara Nelli

We classify hypersurfaces with rotational symmetry and positive constant $r$-th mean curvature in $\mathbb H^n \times \mathbb R$. Specific constant higher order mean curvature hypersurfaces invariant under hyperbolic translation are also…

Differential Geometry · Mathematics 2023-11-17 Barbara Nelli , Giuseppe Pipoli , Giovanni Russo

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

We show that $H$-hypersurfaces of $\mathbb{H}^{n}\times \mathbb{R}$ contained in a vertical cylinder and with Ricci curvature with strong quadratic decay have mean curvature $| H| > (n-1)/n$.

Differential Geometry · Mathematics 2010-01-04 G. Pacelli Bessa , Silvana M. Costa

It is still an open question whether a compact embedded hypersurface in the Euclidean space R^{n+1} with constant mean curvature and spherical boundary is necessarily a hyperplanar ball or a spherical cap, even in the simplest case of…

Differential Geometry · Mathematics 2007-05-23 Luis J. Alias , Jorge H. S. de Lira , J. Miguel Malacarne

In this paper we prove that a properly embedded constant mean curvature surface in $\mathbb{H}^2\times\mathbb{R}$ which has finite topology and stays at a finite distance from a vertical geodesic line is invariant by rotation around a…

Differential Geometry · Mathematics 2013-11-12 Laurent Mazet

We prove a version of the strong half-space theorem between the classes of recurrent minimal surfaces and complete minimal surfaces with bounded curvature of $\mathbb{R}^{3}_{\raisepunct{.}}$ We also show that any minimal hypersurface…

Differential Geometry · Mathematics 2021-04-06 G. Pacelli Bessa , Luquesio P. Jorge , Leandro Pessoa

We classify the hypersurfaces of $\Sf^n\times \R$ and $\Hy^n\times \R$ with constant sectional curvature and dimension $n\geq 3$.

Differential Geometry · Mathematics 2009-09-15 Fernando Manfio , Ruy Tojeiro

Some results about the geodesic boundary of minimal surfaces in $\mathbb{H}^2\times \mathbb{R}$ are generalized for surfaces of constant mean curvature surfaces $H$, with $0\le H\le 1/2$.

Differential Geometry · Mathematics 2023-09-01 Felix Nieto , Miriam Telichevesky

We extend Struwe's result (Acta Math., 1988) on the existence of free boundary constant mean curvature disks to almost every prescribed boundary contact angle in $(0, \pi)$. Specifically, let $\Sigma$ be a surface in $\mathbb{R}^3$…

Differential Geometry · Mathematics 2023-10-13 Da Rong Cheng

We classify complete orientable hypersurfaces of constant isotropic curvature in space forms. We show that such a hypersurface has constant mean curvature only if it is an isoparametric hypersurface, and that it is minimal if and only if it…

Differential Geometry · Mathematics 2022-10-18 H. A. Gururaja , Niteesh Kumar

We prove that a properly embedded annular end of a surface in $\mathbb H^2\times\mathbb R$ with constant mean curvature $0<H\leq \frac{1}{2}$ can not be contained in any horizontal slab. Moreover, we show that a properly embedded surface…

Differential Geometry · Mathematics 2022-07-28 Laurent Hauswirth , Ana Menezes , Magdalena Rodriguez

We prove the existence of compact surfaces with prescribed constant mean curvature in asymptotically flat and asymptotically hyperbolic manifolds. More precisely, let $(M^3,g)$ be an asymptotically flat manifold with scalar curvature $R\ge…

Differential Geometry · Mathematics 2025-02-26 Liam Mazurowski , Jintian Zhu

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 paper, we prove that minimal hypersurfaces when $n\geq 3$ and nonzero constant mean curvature hypersurfaces when $n\geq2$ foliated by spheres in parallel horizontal hyperplanes in ${\mathbb{H}}^n \times \mathbb{R}$ must be…

Differential Geometry · Mathematics 2010-02-23 Keomkyo Seo

We consider complete spacelike hypersurfaces with constant mean curvature in the open region of de Sitter space known as the steady state space. We prove that if the hypersurface is bounded away from the infinity of the ambient space, then…

Differential Geometry · Mathematics 2009-02-17 Alma L. Albujer , Luis J. Alias

We classify non-minimal biconservative surfaces with parallel mean curvature vector field in $\mathbb{S}^n\times\mathbb{R}$ and $\mathbb{H}^n\times\mathbb{R}$. When these surfaces do not lie in $\mathbb{S}^n$ or $\mathbb{H}^n$ and they are…

Differential Geometry · Mathematics 2014-08-26 Dorel Fetcu , Cezar Oniciuc , Ana Lucia Pinheiro

We prove a vertical halfspace theorem for surfaces with constant mean curvature $H={1/2},$ properly immersed in the product space $\h^2\times\re,$ where $\h^2$ is the hyperbolic plane and $\re$ is the set of real numbers. The proof is a…

Differential Geometry · Mathematics 2009-05-05 Barbara Nelli , Ricardo Sa Earp

In the Minkowski space, we consider a compact, spacelike hypersurface with boundary, which can be written as a graph on a spacelike hyperplane. We prove that, if its $k$-th mean curvature is constant, and its boundary is on the hyperplane…

Differential Geometry · Mathematics 2026-03-17 Shanze Gao

We consider surfaces with parallel mean curvature vector field and finite total curvature in product spaces of type $\mathbb{M}^n(c)\times\mathbb{R}$, where $\mathbb{M}^n(c)$ is a space form, and characterize certain of these surfaces. When…

Differential Geometry · Mathematics 2016-06-22 Márcio Batista , Marcos P. Cavalcante , Dorel Fetcu
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