Biharmonic and biconservative hypersurfaces in space forms

D Fetcu, C Oniciuc - arXiv preprint arXiv:2012.12476, 2020 - arxiv.org
We present some general properties of biharmonic and biconservative submanifolds and
then survey recent results on such hypersurfaces in space forms. We also propose an …

On the existence of closed biconservative surfaces in space forms

S Montaldo, A Pampano - arXiv preprint arXiv:2009.03233, 2020 - arxiv.org
Biconservative surfaces of Riemannian 3-space forms $ N^ 3 (\rho) $, are either constant
mean curvature (CMC) surfaces or rotational linear Weingarten surfaces verifying the …

On the uniqueness of complete biconservative surfaces in ℝ³

S Nistor, C Oniciuc - Proceedings of the American Mathematical Society, 2019 - ams.org
We study the uniqueness of complete biconservative surfaces in the Euclidean space
$\mathbb {R}^ 3$ and prove that the only complete biconservative regular surfaces in …

Complete biconservative surfaces in the hyperbolic space H3

S Nistor, C Oniciuc - Nonlinear Analysis, 2020 - Elsevier
We construct simply connected, complete, non-C MC biconservative surfaces in the 3-
dimensional hyperbolic space H 3, in an intrinsic and extrinsic way. We obtain three families …

[HTML][HTML] On biconservative surfaces

S Nistor - Differential Geometry and its Applications, 2017 - Elsevier
We study in a uniform manner the properties of biconservative surfaces in arbitrary
Riemannian manifolds. Biconservative surfaces being characterized by the vanishing of the …

Surfaces et hypersurfaces biharmoniques dans les sphères et les espaces projectifs complexes

H Bibi - 2022 - theses.hal.science
Dans cette thèse, nous commençons par démontrer un Théorème de Continuation Unique
pour les hypersurfaces non-minimales biharmoniques dans les sphères. Sous les bonnes …

Some characterizations of linear Weingarten surfaces in 3-dimensional space forms

YR Luo, D Yang, XY Zhu - Results in Mathematics, 2022 - Springer
We consider a class of surfaces satisfying an interesting geometric equation A∇ H= k H∇ H
in non-flat 3-dimensional space forms N 3 (c), where A is the shape operator, H is the mean …

On the uniqueness of complete biconservative surfaces in -dimensional space forms

S Nistor, C Oniciuc - arXiv preprint arXiv:1910.04131, 2019 - arxiv.org
Biconservative surfaces are surfaces with divergence-free stress-bienergy tensor. Simply
connected, complete, non-$ CMC $ biconservative surfaces in $3 $-dimensional space …

Global properties of biconservative surfaces in and

S Nistor, C Oniciuc - arXiv preprint arXiv:1701.07706, 2017 - arxiv.org
We survey some recent results on biconservative surfaces in $3 $-dimensional space forms
$ N^ 3 (c) $ with a special emphasis on the $ c= 0$ and $ c= 1$ cases. We study the local …

On generalized biconservative spacelike surfaces in Lorentz space forms

D Yang, ZM Zhao - Revista de la Real Academia de Ciencias Exactas …, 2023 - Springer
We study the surfaces in 3-dimensional Lorentz space forms N 1 3 (c) that satisfy the
geometric equation A∇ H= k H∇ H relating the shape operator A and the mean curvature H …