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We prove that for generic metrics on a 3-sphere, the minimal surface obtained from the min-max procedure of Simon-Smith has index 1. We prove an analogous result for minimal surfaces arising from strongly irreducible Heegaard sweepouts in…

微分几何 · 数学 2019-11-21 Daniel Ketover , Yevgeny Liokumovich

We show that any open orientable surface S can be properly embedded in H^2xR as an area minimizing surface.

微分几何 · 数学 2021-12-01 Baris Coskunuzer

A submanifold is said to be tangentially biharmonic if the bitension field of the isometric immersion that defines the submanifold has vanishing tangential component. The purpose of this paper is to prove that a surface in Euclidean…

微分几何 · 数学 2014-12-04 Toru Sasahara

For an embedded singly periodic minimal surface M with genus bigger than or equal to 4 and annular ends, some weak symmetry hypotheses imply its congruence with one of the Hoffman-Wohlgemuth examples. We give a very geometrical proof of…

微分几何 · 数学 2008-06-12 Valerio Ramos-Batista , Plinio Simoes

For any m > 0, we construct properly embedded minimal surfaces in H^2 x R with genus zero, infinitely many vertical planar ends and m limit ends. We also provide examples with an infinite countable number of limit ends. All these examples…

微分几何 · 数学 2011-12-21 M. Magdalena Rodríguez

In this paper, we show that any open orientable surface S can be properly embedded in H^3 as a minimizing H-surface for any 0<=H<1. We obtained this result by proving a version of the bridge principle at infinity for H-surfaces. We also…

微分几何 · 数学 2017-05-30 Baris Coskunuzer

We prove that, given $|H|<1$, a generic simple closed curve embedded in the asymptotic boundary of $\mathbb{H}^3$ (with respect to the supremum metric) bounds more than one complete surface embedded in $\mathbb{H}^3$ which has constant mean…

微分几何 · 数学 2016-02-08 Cagri Haciyusufoglu

In this paper we show that a complete and non-compact surface immersed in the Euclidean space with quadratic extrinsic area growth has finite total curvature provided the surface has tamed second fundamental form and admits total curvature.…

微分几何 · 数学 2015-02-17 Cristiane M. Brandao , Vicent Gimeno

We prove the existence of $C^{1,1}$ isometric immersions of several classes of metrics on surfaces $(\mathcal{M},g)$ into the three-dimensional Euclidean space $\mathbb{R}^3$, where the metrics $g$ have strictly negative curvature. These…

偏微分方程分析 · 数学 2020-03-13 Siran Li

We study ends of an oriented, immersed, non-compact, complete Willmore surfaces, which are critical points of the integral of the square of the mean curvature, in asymptotically flat spaces of any dimension; assuming the surface has…

微分几何 · 数学 2016-03-29 Yann Bernard , Tristan Riviere

In this paper we show that every degree 2 homology class of a 2n-dimensional symplectic manifold is represented by an immersed symplectic surface if it has positive symplectic area. Moreover, the symplectic surface can be chosen to be…

辛几何 · 数学 2008-12-31 Tian-Jun Li

We prove that the asymptotic completion of a developable M\"obius strip in Euclidean three-space must have at least one singular point other than cuspidal edge singularities. Moreover, if the strip contains a closed geodesic, then the…

微分几何 · 数学 2010-11-15 Kosuke Naokawa

In this paper we present the novel method for the generation of periodic embedded surfaces of nonpositive Gaussian curvature. The structures are related to the local minima of the scalar order parameter Landau-Ginzburg hamiltonan for…

凝聚态物理 · 物理学 2015-12-29 W. T. Gozdz , R. Holyst

We prove that given a Hitchin representation in a real split rank 2 group $\mathsf G_0$, there exists a unique equivariant minimal surface in the corresponding symmetric space. As a corollary, we obtain a parametrization of the Hitchin…

微分几何 · 数学 2016-07-06 François Labourie

For a compact connected Lie group $G$ acting as isometries on a compact orientable Riemannian manifold $M^{n+1},$ and cohomogeneity not equal to 0 or 2, we prove the existence of a nontrivial embedded $G$-invariant minimal hypersurface,…

微分几何 · 数学 2020-07-07 Zhenhua Liu

In this work we give a method for constructing a one-parameter family of complete CMC-1 (i.e. constant mean curvature 1) surfaces in hyperbolic 3-space that correspond to a given complete minimal surface with finite total curvature in…

dg-ga · 数学 2008-02-03 Wayne Rossman , Masaaki Umehara , Kotaro Yamada

We investigate complete minimal submanifolds $f\colon M^3\to\Hy^n$ in hyperbolic space with index of relative nullity at least one at any point. The case when the ambient space is either the Euclidean space or the round sphere was already…

微分几何 · 数学 2017-12-01 M. Dajczer , Th. Kasioumis , A. Savas-Halilaj , Th. Vlachos

In the previous paper, the authors constructed a complete holomorphic immersion of the unit disk D into C^2 whose image is bounded. In this paper, we shall prove existence of complete holomorphic null immersions of Riemann surfaces with…

微分几何 · 数学 2008-10-30 Francisco Martin , Masaaki Umehara , Kotaro Yamada

We study the topology of (properly) immersed complete minimal surfaces $P^2$ in Hyperbolic and Euclidean spaces which have finite total extrinsic curvature, using some isoperimetric inequalities satisfied by the extrinsic balls in these…

微分几何 · 数学 2012-04-17 Vicent Gimeno , Vicente Palmer

In this paper we give new existence results for complete non-orientable minimal surfaces in $\mathbb{R}^3$ with prescribed topology and asymptotic behavior.

微分几何 · 数学 2014-07-17 Antonio Alarcon , Francisco J. Lopez