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It is known that a surface with parallel mean curvature vector field in a Riemannian product of two surfaces of constant Gaussian curvature carries a holomorphic quadratic differential. In this paper we consider the Riemannian product of a…

Differential Geometry · Mathematics 2025-09-11 Giel Stas , Joeri Van der Veken

A submanifold of a pseudo-Riemannian manifold is said to have parallel mean curvature vector if the mean curvature vector field H is parallel as a section of the normal bundle. Submanifolds with parallel mean curvature vector are important…

Differential Geometry · Mathematics 2013-07-02 Bang-Yen Chen

We present a reduction of codimension theorem for surfaces with parallel mean curvature in symmetric spaces.

Differential Geometry · Mathematics 2015-05-27 M. J. Ferreira , R. Tribuzy

We consider a quadratic form defined on the surfaces with parallel mean curvature vector of an any dimensional complex space form and prove that its $(2,0)$-part is holomorphic. When the complex dimension of the ambient space is equal to…

Differential Geometry · Mathematics 2010-11-30 Dorel Fetcu

We study the global geometry of surfaces in Sasakian space forms whose mean curvature vector is parallel in the normal bundle (these include the Riemannian Heisenberg space of dimension $2n+1$). We prove a codimension reduction theorem. We…

Differential Geometry · Mathematics 2013-09-02 Dorel Fetcu , Harold Rosenberg

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

It is shown that a hypersurface of a space form is the initial data for a solution to the mean curvature flow by parallel hypersurfaces if, and only if, it is isoparametric. By solving an ordinary differential equation, explicit solutions…

Differential Geometry · Mathematics 2017-10-06 Hiuri Fellipe Santos dos Reis , Keti Tenenblat

We consider surfaces with parallel mean curvature vector (pmc surfaces) in $\mathbb{C}P^n\times\mathbb{R}$ and $\mathbb{C}H^n\times\mathbb{R}$, and, more generally, in cosymplectic space forms. We introduce a holomorphic quadratic…

Differential Geometry · Mathematics 2010-11-23 Dorel Fetcu , Harold Rosenberg

We classify complete biharmonic surfaces with parallel mean curvature vector field and non-negative Gaussian curvature in complex space forms.

Differential Geometry · Mathematics 2016-02-10 Dorel Fetcu , Ana Lucia Pinheiro

We give a condition under which the findings of the paper cited above work well and determine the surfaces that were not considered before. In this paper, we show that a parallel mean curvature surface of a general type in a complex…

Differential Geometry · Mathematics 2021-11-03 K. Kenmotsu

Two holomorphic Hopf differentials for surfaces of non-null parallel mean curvature vector in S^2xS^2 and H^2xH^2 are constructed. A 1:1 correspondence between these surfaces and pairs of constant mean curvature surfaces of S^2xR and H^2xR…

Differential Geometry · Mathematics 2008-10-16 Francisco Torralbo , Francisco Urbano

The purpose of this article is to determine explicitly the complete surfaces with parallel mean curvature vector, both in the complex projective plane and the complex hyperbolic plane. The main results are as follows: When the curvature of…

Differential Geometry · Mathematics 2021-11-02 Katsuei Kenmotsu

We construct examples of compact and one-ended constant mean curvature surfaces with large mean curvature in Riemannian manifolds with axial symmetry by gluing together small spheres positioned end-to-end along a geodesic. Such surfaces…

Differential Geometry · Mathematics 2008-12-17 Adrian Butscher , Rafe Mazzeo

We determine all helix surfaces with parallel mean curvature vector field, which are not minimal or pseudo-umbilical, in spaces of type $M^n(c)\times\mathbb{R}$, where $M^n(c)$ is a simply-connected $n$-dimensional manifold with constant…

Differential Geometry · Mathematics 2015-06-18 Dorel Fetcu

We classify branched immersed disks in space forms with non-zero parallel mean curvature vector and non-orthogonal constant contact angle along the boundary in 4-dimensional space form. For higher codimensional case, we prove a codimension…

Differential Geometry · Mathematics 2026-01-21 Rui Gao , Miaomiao Zhu

We present some results on the boundedness of the mean curvature of proper biharmonic submanifolds in spheres. A partial classification result for proper biharmonic submanifolds with parallel mean curvature vector field in spheres is…

Differential Geometry · Mathematics 2011-02-09 Adina Balmus , Cezar Oniciuc

We classify totally geodesic and parallel hypersurfaces of four-dimensional non-reductive homogeneous pseudo-Riemannian manifolds.

Differential Geometry · Mathematics 2018-09-19 Giovanni Calvaruso , Reinier Storm , Joeri Van der Veken

We provide a classification of Einstein submanifolds in space forms with flat normal bundle and parallel mean curvature. This extends a previous result due to Dajczer and Tojeiro for isometric immersions of Riemannian manifolds with…

Differential Geometry · Mathematics 2017-12-18 Christos-Raent Onti

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

We obtain sharp estimates involving the mean curvatures of higher order of a complete bounded hypersurface immersed in a complete Riemannian manifold. Similar results are also given for complete spacelike hypersurfaces in Lorentzian ambient…

Differential Geometry · Mathematics 2013-01-17 L. J. Alias , M. Dajczer , M. Rigoli
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