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In this paper, we establish monotonicity formulas for capillary surfaces in the half-space $\mathbb{R}^3_+$ and in the unit ball $\mathbb{B}^3$ and extend the result of Volkmann (Comm. Anal. Geom.24(2016), no.1, 195~221.…

微分几何 · 数学 2026-02-11 Guofang Wang , Chao Xia , Xuwen Zhang

In this paper, we prove uniform curvature estimates for immersed stable free boundary minimal hypersurfaces which satisfy a uniform area bound. Our result is a natural generalization of the celebrated Schoen-Simon-Yau interior curvature…

微分几何 · 数学 2020-01-06 Qiang Guang , Martin Li , Xin Zhou

We discover new monotonicity formulae for minimal submanifolds in space forms, which imply the sharp area bound for minimal submanifolds through a prescribed point in a geodesic ball. These monotonicity formulae involve an energy-like…

微分几何 · 数学 2022-10-10 Keaton Naff , Jonathan J. Zhu

In this paper we use the notion of stability for free boundary surfaces with constant higher order mean curvature to obtain rigidity results for $H_2$-surfaces with free boundary of a geodesic ball of a simply connected $3$-dimensional…

微分几何 · 数学 2023-05-03 Leonardo Damasceno , Maria Fernanda Elbert

In this paper, by modifying the arguments in \cite{WY}, we get some rigidity theorems on compact manifolds with nonempty boundary. The results in this paper are similar with those in \cite{ST} and \cite{WY}. Like \cite{ST} and \cite{WY}, we…

微分几何 · 数学 2007-05-23 Yuguang Shi , Luen-Fai Tam

In this paper, we consider locally wedge-shaped manifolds, which are Riemannian manifolds that are allowed to have both boundary and certain types of edges. We define and study the properties of free boundary minimal hypersurfaces inside…

微分几何 · 数学 2023-12-19 Liam Mazurowski , Tongrui Wang

In homogenous space Sol we study compact surfaces with constant mean curvature and with non-empty boundary. We ask how the geometry of the boundary curve imposes restrictions over all possible configurations that the surface can adopt. We…

微分几何 · 数学 2009-09-19 Rafael López

This is the second of two articles in which we investigate the geometry of free boundary and capillary minimal surfaces in balls $B_R\subset\mathbb{S}^3$. In this article, we find monotonicity formulae which imply that capillary minimal…

微分几何 · 数学 2025-12-25 Jonathan J. Zhu

We establish curvature inequalities and rigidity results for surfaces satisfying constant mean curvature type conditions in both Riemannian and Lorentzian geometry. In the Riemannian setting we study constant mean curvature (CMC) surfaces…

微分几何 · 数学 2026-03-18 Alejandro Peñuela Diaz

We prove that the space of free boundary CMC surfaces of bounded topology, bounded area and bounded boundary length is compact in the $C^k$ graphical sense away from a finite set of points. This is a CMC version of a result for minimal…

微分几何 · 数学 2025-04-23 Nicolau S. Aiex , Han Hong

In this paper we prove a monotonicity formula for the integral of the mean curvature for complete and proper hypersurfaces of the hyperbolic space and, as consequences, we obtain a lower bound for the integral of the mean curvature and that…

微分几何 · 数学 2017-04-13 Hilário Alencar , Gregório Silva Neto

In continuing the study of harmonic mapping from 2-dimensional Riemannian simplicial complexes in order to construct minimal surfaces with singularity, we obtain an a-priori regularity result concerning the real analyticity of the free…

微分几何 · 数学 2008-09-24 Chikako Mese , Sumio Yamada

In this article we study the shape of a compact surface of constant mean curvature of Euclidean space whose boundary is contained in a round sphere. We consider the case that the boundary is prescribed or that the surface meets the sphere…

微分几何 · 数学 2014-10-22 Rafael López , Juncheol Pyo

We explore various notions of stability for surfaces embedded and immersed in spacetimes and initial data sets. The interest in such surfaces lies in their potential to go beyond the variational techniques which often underlie the study of…

微分几何 · 数学 2020-09-18 Aghil Alaee , Martin Lesourd , Shing-Tung Yau

Let (M,g) be a compact Riemannian three-dimensional manifold with boundary. We prove the compactness of the set of scalar-flat metrics which are in the conformal class of g and have the boundary as a constant mean curvature hypersurface.…

微分几何 · 数学 2019-04-24 Sergio Almaraz , Olivaine S. de Queiroz , Shaodong Wang

We prove a quantification result for harmonic maps with free boundary from arbitrary Riemannian surfaces into the unit ball of ${\mathbb R}^{n+1}$ with bounded energy. This generalizes results obtained by Da Lio on the disc.

偏微分方程分析 · 数学 2015-06-03 Paul Laurain , Romain Petrides

We show several results comparing sharp eigenvalue bounds for the first Steklov eigenvalue on surfaces under change of the topology. Among others, we obtain strict monotonicity in the genus. Combined with results of the second named author…

微分几何 · 数学 2020-04-15 Henrik Matthiesen , Romain Petrides

In this paper, we consider compact free boundary constant mean curvature surfaces immersed in a mean convex body of the Euclidean space or in the unit sphere. We prove that the Morse index is bounded from below by a linear function of the…

微分几何 · 数学 2020-03-18 Marcos P. Cavalcante , Darlan F. de Oliveira

Let $M$ be a weighted manifold with boundary $\partial M$, i.e., a Riemannian manifold where a density function is used to weight the Riemannian Hausdorff measures. In this paper we compute the first and the second variational formulas of…

微分几何 · 数学 2015-06-17 Katherine Castro , César Rosales

Let $\Omega$ be a compact and mean-convex domain with smooth boundary $\Sigma:=\partial\Omega$, in an initial data set $(M^3,g,K)$, which has no apparent horizon in its interior. If $\Sigma$ is spacelike in a spacetime $(\E^4,g\_\E)$ with…

微分几何 · 数学 2015-02-16 Oussama Hijazi , Simon Raulot , Sebastian Montiel
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