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In 1970, Lawson solved the topological realization problem for minimal surfaces in the sphere, showing that any closed orientable surface can be minimally embedded in $\mathbb{S}^3$. The analogous problem for surfaces with boundary was…

Differential Geometry · Mathematics 2024-02-21 Mikhail Karpukhin , Robert Kusner , Peter McGrath , Daniel Stern

In this paper, we firstly investigate some relations regarding the first and the second Laplace operators corresponding to the third fundamental form III of a surface in the Euclidean space E3. Besides, we introduce the finite Chen type…

Differential Geometry · Mathematics 2022-01-04 Hassan Al-Zoubi

We propose a new approach to the question of prescribing Gaussian curvature on the 2-sphere with at least three conical singularities and angles less than $2\pi$, the main result being sufficient conditions for a positive function of class…

Differential Geometry · Mathematics 2020-07-15 Lisandra Hernandez-Vazquez

A transformation based on mean curvature is introduced which morphs triangulated surfaces into round spheres.

Graphics · Computer Science 2016-08-16 Dimitris Vartziotis

We study a generalization of constant Gauss curvature -1 surfaces in Euclidean 3-space, based on Lorentzian harmonic maps, that we call pseudospherical frontals. We analyze the singularities of these surfaces, dividing them into those of…

Differential Geometry · Mathematics 2016-08-05 David Brander

Those maps of a closed surface to the three-dimensional torus that are homotopic to embeddings are characterized. Particular attention is paid to the somewhat intricate case when the surface is nonorientable.

Geometric Topology · Mathematics 2007-05-23 Allan L. Edmonds

A triangulated fixed connectivity surface model is investigated by using the Monte Carlo simulation technique. In order to have the macroscopic surface tension \tau, the vertices on the one-dimensional boundaries are fixed as the edges…

Statistical Mechanics · Physics 2008-09-03 Hiroshi Koibuchi

We survey our recent results on classifying complete constant mean curvature 1 (CMC-1) surfaces in hyperbolic 3-space with low total curvature. There are two natural notions of "total curvature"-- one is the total absolute curvature which…

Differential Geometry · Mathematics 2009-08-03 Wayne Rossman , Masaaki Umehara , Kotaro Yamada

In this paper we consider the equiform motion of a sphere in Euclidean space $\mathbf{E}^7$. We study and analyze the corresponding kinematic three dimensional surface under the hypothesis that its scalar curvature $\mathbf{K}$ is constant.…

Differential Geometry · Mathematics 2009-04-10 Fathi M. Hamdoon , Ahmad T. Ali , Rafael Lopez

We propose a discrete surface theory in $\mathbb R^3$ that unites the most prevalent versions of discrete special parametrizations. This theory encapsulates a large class of discrete surfaces given by a Lax representation and, in…

Differential Geometry · Mathematics 2014-12-24 Tim Hoffmann , Andrew O. Sageman-Furnas , Max Wardetzky

This paper is devoted to the study of minimal immersions of flat $n$-tori into spheres, especially those immersed by the first eigenfunctions (such immersion is called $\lambda_1$-minimal immersion), which also play important roles in…

Differential Geometry · Mathematics 2023-01-20 Ying Lv , Peng Wang , Zhenxiao Xie

We consider a general theory of curvatures of discrete surfaces equipped with edgewise parallel Gauss images, and where mean and Gaussian curvatures of faces are derived from the faces' areas and mixed areas. Remarkably these notions are…

Differential Geometry · Mathematics 2017-09-06 Alexander I. Bobenko , Helmut Pottmann , Johannes Wallner

Let $(M^5,\alpha,g_\alpha,J)$ be a 5-dimensional Sasakian Einstein manifold with contact 1-form $\alpha$, associated metric $g_\alpha$ and almost complex structure $J$ and $L$ a contact stationary Legendrian surface in $M^5$. We will prove…

Differential Geometry · Mathematics 2018-03-16 Yong Luo

A correspondence is established between a class of minimal immersed surfaces of $\mathbb{S}^3(2)$ and area-minimizing unit vector fields defined on the antipodally punctured unit sphere $\mathbb{S}^2\backslash\{N,S\}$. As a consequence, we…

Differential Geometry · Mathematics 2025-06-04 Fabiano Brito , Jackeline Conrado , David L. Johnson , Giovanni Nunes

In this paper, we establish a geometric correspondence between constant curvature one metrics with two conical singularities on $S^{2}$ and isometric immersions into Euclidean 3-space $\mathbb{E}^{3}$. Specifically, we explicitly construct…

Differential Geometry · Mathematics 2025-03-25 Zhiqiang Wei

We list special graphs of degree 4 with at most 3 vertices (atoms from the theory of integrable hamiltonian systems) which could be represented by a union of closed geodesics on the one of the following surfaces with metric of constant…

Algebraic Topology · Mathematics 2014-12-31 I. Shnurnikov

We discuss notions of Gauss curvature and mean curvature for polyhedral surfaces. The discretizations are guided by the principle of preserving integral relations for curvatures, like the Gauss/Bonnet theorem and the mean-curvature force…

Differential Geometry · Mathematics 2007-10-25 John M. Sullivan

Constrained Willmore surfaces are critical points of the Willmore functional under conformal variations. As shown in [5] one can associate to any conformally immersed constrained Willmore torus f a compact Riemann surface \Sigma, such that…

Differential Geometry · Mathematics 2015-03-20 Lynn Heller

In this paper we proof that the Holomorphic angle for compact minimal surfaces in the sphere $S^5$ with constant Contact angle and with a parallel normal vector field must be constant.

Differential Geometry · Mathematics 2007-05-23 Rodrigo Ristow Montes

We obtain compact orientable embedded surfaces with constant mean curvature $0<H<\frac{1}{2}$ and arbitrary genus in $\mathbb{S}^2\times\mathbb{R}$. These surfaces have dihedral symmetry and desingularize a pair of spheres with mean…

Differential Geometry · Mathematics 2021-01-05 José M. Manzano , Francisco Torralbo
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