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We show that under certain curvature conditions of the ambient space an entire Killing graph of constant mean curvature lying inside a slab must be a totally geodesic slice.

Differential Geometry · Mathematics 2013-05-16 M. Dajczer , J. H. de Lira

It is proved the existence and uniqueness of Killing graphs with prescribed mean curvature in a large class of Riemannian manifolds.

Differential Geometry · Mathematics 2007-05-23 Marcos Dajczer , Pedro A. Hinojosa , Jorge Herbert de Lira

In this work we prove the existence and uniqueness of Killing graphs with prescribed mean curvature considering functions which are not necessarily constant along the flow lines of the Killing vector field.

Differential Geometry · Mathematics 2020-12-02 Yunelsy N Alvarez

We prove the existence and uniqueness of graphs with prescribed mean curvature function in a large class of Riemannian manifolds which comprises spaces endowed with a conformal Killing vector field.

Differential Geometry · Mathematics 2009-04-08 Marcos Dajczer , Jorge H. S. de Lira

We prove that any complete surface with constant mean curvature in a homogeneous space E(\kappa,\tau) which is transversal to the vertical Killing vector field is, in fact, a vertical graph. As a consequence we get that any orientable,…

Differential Geometry · Mathematics 2015-03-02 José M. Manzano , M. Magdalena Rodríguez

It is proved the existence and uniqueness of graphs with prescribed mean curvature in Riemannian submersions fibered by flow lines of a vertical Killing vector field.

Differential Geometry · Mathematics 2007-10-10 Marcos Dajczer , Jorge H. de Lira

We develop a conformal duality for spacelike graphs in Riemannian and Lorentzian three-manifolds that admit a Riemannian submersion over a Riemannian surface whose fibers are the integral curves of a Killing vector field, which is timelike…

Differential Geometry · Mathematics 2024-07-23 Andrea Del Prete , Hojoo Lee , José M. Manzano

Given $H\in [0,1)$ and given a $C^0$ exterior domain $\Omega$ in a $H-$hypersphere of $\mathbb{H}^3,$ the existence of hyperbolic Killing graphs of CMC $H$ defined in $\overline{\Omega}$ with boundary $ \partial \Omega $ included in the…

Differential Geometry · Mathematics 2024-07-16 Patricia Klaser , Adilson Nunes , Jaime Ripoll

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 obtain height, gradient, and curvature a priori estimates for a modified mean curvature flow in Riemannian manifolds endowed with a Killing vector field. As a consequence, we prove the existence of smooth, entire, longtime solutions for…

Differential Geometry · Mathematics 2026-02-13 Jocel Faustino Norberto de Oliveira , Jorge Herbert Soares de Lira , Matheus Nunes Soares

In this paper we are concerned with the problem of finding hypersurfaces of constant curvature and prescribed boundary in the Euclidean space, using the theory of fully nonlinear elliptic equations. We prove that if the given data admits a…

Differential Geometry · Mathematics 2017-06-02 Flávio F. Cruz

A priori estimates for the mean curvature evolution of Killing graphs in Cartan-Hadamard manifolds with asymptotic Dirichlet conditions are established. As an application, the existence of the corresponding parabolic flow is proved,…

Differential Geometry · Mathematics 2026-03-16 Claudia Fernandes , Jorge de Lira , Matheus Soares

The paper aims at proving global height estimates for Killing graphs defined over a complete manifold with nonempty boundary. To this end, we first point out how the geometric analysis on a Killing graph is naturally related to a weighted…

Differential Geometry · Mathematics 2018-05-08 Debora Impera , Jorge H. de Lira , Stefano Pigola , Alberto G. Setti

We extend the interior gradient estimate due to N. Korevaar and L. Simon for solutions of the mean curvature equation from the case of Euclidean graphs to the general case of Killing graphs. Our main application is the proof of existence of…

Differential Geometry · Mathematics 2013-07-19 Marcos Dajczer , Jorge H. Lira , Jaime Ripoll

We prove that every connected graph can be realized as the cut locus of some point on some Riemannian surface $S$ which, in some cases, has constant curvature. We study the stability of such realizations, and their generic behavior.

Differential Geometry · Mathematics 2016-08-14 Jin-ichi Itoh , Costin Vîlcu

This survey describes some recent rigidity results obtained by the authors for the prescribed mean curvature problem on graphs $u : M \rightarrow \mathbb{R}$. Emphasis is put on minimal, CMC and capillary graphs, as well as on graphical…

Differential Geometry · Mathematics 2020-11-17 Bruno Bianchini , Giulio Colombo , Marco Magliaro , Luciano Mari , Patrizia Pucci , Marco Rigoli

In this note we study a large class of mean curvature type flows of graphs in product manifold $N\times R$ where N is a closed Riemann- ian manifold. Their speeds are the mean curvature of graphs plus a prescribed function. We establish…

Differential Geometry · Mathematics 2018-01-16 Aijin Lin , Hengyu Zhou

In this paper, we prove a half-space theorem with respect to constant mean curvature $1/2$ entire graphs in $\mathbb{E(-1,\tau)}$. If $\Sigma$ is such an entire graph and $\Sigma'$ is a properly immersed constant mean curvature $1/2$…

Differential Geometry · Mathematics 2013-11-12 Laurent Mazet

We prove a general result characterizing a specific class of Serrin domains as supports of unbounded and periodic constant mean curvature graphs. We apply this result to prove the existence of a family of unbounded periodic constant mean…

Analysis of PDEs · Mathematics 2021-01-11 Ignace Aristide Minlend

We study the cutwidth measure on graphs and ways to bound the cutwidth of a graph by partitioning its vertices. We consider bounds expressed as a function of two quantities: on the one hand, the maximal cutwidth y of the subgraphs induced…

Data Structures and Algorithms · Computer Science 2025-04-04 Antoine Amarilli , Benoît Groz
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