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We give a conformal representation in terms of meromorphic data for a certain class of spacelike surfaces in the Lorentz-Minkowski 4-space L^4 whose mean curvature vector is either lightlike or zero at each point. This representation…

Differential Geometry · Mathematics 2007-05-23 Juan A. Aledo , Jose A. Galvez , Pablo Mira

We study constant mean curvature graphs in the Riemannian 3-dimensional Heisenberg spaces ${\cal H}={\cal H}(\tau)$. Each such ${\cal H}$ is the total space of a Riemannian submersion onto the Euclidean plane $\mathbb{R}^2$ with geodesic…

Differential Geometry · Mathematics 2008-03-03 Luis J. Alias , Marcos Dajczer , Harold Rosenberg

We study minimal graphs in the homogeneous Riemannian 3-manifold $\widetilde{PSL_2(\mathbb{R})}$ and we give examples of invariant surfaces. We derive a gradient estimate for solutions of the minimal surface equation in this space and…

Differential Geometry · Mathematics 2010-02-26 Rami Younes

We show that if $(X,d,m)$ is an RCD(K,N) space and $u \in W^{1,1}_{loc}(X)$ is a solution of the minimal surface equation, then $u$ is harmonic on its graph (which has a natural metric measure space structure). If K=0 this allows to obtain…

Differential Geometry · Mathematics 2025-03-12 Alessandro Cucinotta

The minimal surfaces meeting in triples with equal angles along a common boundary naturally arise from soap films and other physical phenomenon. They are also the natural extension of the usual minimal surface. In this paper, we consider…

Differential Geometry · Mathematics 2022-11-23 Gaoming Wang

We develop a min-max theory for the construction of capillary surfaces in 3-manifolds with smooth boundary. In particular, for a generic set of ambient metrics, we prove the existence of nontrivial, smooth, almost properly embedded surfaces…

Differential Geometry · Mathematics 2022-09-07 Chao Li , Xin Zhou , Jonathan J. Zhu

We obtain isometric minimal helicoidal and rotational surfaces using generalized Bour's theorem in three dimensional Minkowski space. In addition, we show that the surfaces preserve minimality when their Gauss maps identically equal,…

Differential Geometry · Mathematics 2016-11-21 Erhan Güler , Yusuf Yaylı

We develop a regularity and compactness theory for stable capillary minimal hypersurfaces in the half-space $\mathbb{H}^{n+1}$ with contact angle $\theta \in (0,\pi)$ and dimension $n \geq 2$. As a consequence, we obtain the generalized…

Differential Geometry · Mathematics 2026-05-21 Gaoming Wang , Xuwen Zhang

We investigate the differences and similarities of the Dirichlet problem of the mean curvature equation in the Euclidean space and in the Lorentz-Minkowski space. Although the solvability of the Dirichlet problem follows standards…

Differential Geometry · Mathematics 2019-12-18 Rafael López

In this paper, we consider the problem of finding the hypersurface M^n in the Euclidean (n+1)-space R^{n+1} that satisfies an equation of mean curvature type, called singular minimal hypersurface equation. Such an equation physically…

Differential Geometry · Mathematics 2019-12-02 Ayla Erdur , Mahmut Ergut , Muhittin Evren Aydin

We prove a flatness result for entire nonlocal minimal graphs having some partial derivatives bounded from either above or below. This result generalizes fractional versions of classical theorems due to Bernstein and Moser. Our arguments…

Analysis of PDEs · Mathematics 2018-12-06 Matteo Cozzi , Alberto Farina , Luca Lombardini

We make observations about constant mean curvature surfaces in Euclidean 3-space and their dual surfaces, and the resulting pairs of surfaces in hyperbolic 3-space under the Lawson correspondence.

Differential Geometry · Mathematics 2012-06-26 Wayne Rossman , Magdalena Toda

Lott-Sturm-Villani theory of curvature on geodesic spaces has been extended to discrete graph spaces by C. L{\'e}onard by replacing W2-Wasserstein geodesics by Schr{\"o}odinger bridges in the definition of entropic curvature [23, 25, 24].…

Probability · Mathematics 2022-10-06 Paul-Marie Samson

We show that the index of a constant mean curvature 1 surface in hyperbolic 3-space is completely determined by the compact Riemann surface and secondary Gauss map that represent it in Bryant's Weierstrass representation. We give three…

Differential Geometry · Mathematics 2008-07-01 Levi Lopes de Lima , Wayne Rossman

We develop a theory of "minimal $\theta$-graphs" and characterize the behavior of limit laminations of such surfaces, including an understanding of their limit leaves and their curvature blow-up sets. We use this to prove that it is…

Differential Geometry · Mathematics 2024-01-26 David Hoffman , Brian White

We study the minimal surface equation in the Heisenberg space, Nil_3. A geometric proof of non existence of minimal graphs over non convex, bounded and unbounded domains is achieved (our proof holds in the Euclidean space as well). We solve…

Differential Geometry · Mathematics 2015-08-10 Barbara Nelli , Ricardo Sa Earp , Eric Toubiana

If the Lorentzian norm on a maximal surface in the 3-dimensional Lorentz-Minkowski space $R_1^3$ is positive and proper, then the surface is relative parabolic. As a consequence, entire maximal graphs with a closed set of isolated…

Differential Geometry · Mathematics 2007-05-23 Isabel Fernandez , Francisco J. Lopez

We prove that any complete, uniformly elliptic Weingarten surface in Euclidean $3$-space whose Gauss map image omits an open hemisphere is a cylinder or a plane. This generalizes a classical theorem by Hoffman, Osserman and Schoen for…

Differential Geometry · Mathematics 2020-07-23 Isabel Fernandez , Jose A. Galvez , Pablo Mira

We establish area bounds for two-dimensional immersions in R^3 and R^n. Namely, for \mu-stable immersions in R^3 (R^n), for graphs in $\mathbb R^3$ which solve quasilinear equations in divergence form, and for graphs which are critical for…

Differential Geometry · Mathematics 2007-05-23 Steffen Froehlich

In this paper we prove that the only algebraic constant mean curvature (cmc) surfaces in R^3 of order less than four are the planes, the spheres and the cylinders. The method used heavily depends on the efficiency of algorithms to compute…

Differential Geometry · Mathematics 2010-02-02 Oscar M. Perdomo
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