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Related papers: Minimal Lagrangian surfaces in $S^2 \times S^2$

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Using Schauder's theory for linear elliptic partial differential equations in two independent variables and fundamental estimates for univalent mappings due to E. Heinz we establish an upper bound of the Gaussian curvature of…

Differential Geometry · Mathematics 2007-05-23 Steffen Froehlich

In this paper, we prove effective estimates for the number of exceptional values and the totally ramified value number for the Gauss map of pseudo-algebraic minimal surfaces in Euclidean four-space and give a kind of unicity theorem.

Differential Geometry · Mathematics 2010-01-17 Yu Kawakami

In this article, we consider minimal $L^2$ integrals on the sublevel sets of plurisubharmonic functions on weakly pseudoconvex K\"ahler manifolds with Lebesgue measurable gain related to modules at boundary points of the sublevel sets, and…

Complex Variables · Mathematics 2022-06-06 Qi'an Guan , Zhitong Mi , Zheng Yuan

Following earlier work of Loftin-McIntosh, we study minimal Lagrangian immersions of the universal cover of a closed surface (of genus at least 2) into CH2, with prescribed data of a conformal structure plus a holomorphic cubic…

Differential Geometry · Mathematics 2012-01-20 Zheng Huang , John Loftin , Marcello Lucia

In this article, we present a characterization of the concavity property of minimal $L^2$ integrals degenerating to linearity in the case of finite points on open Riemann surfaces. As an application, we give a characterization of the…

Complex Variables · Mathematics 2025-05-02 Qi'an Guan , Zheng Yuan

We prove the existence of minimizers of causal variational principles on second countable, locally compact Hausdorff spaces. Moreover, the corresponding Euler-Lagrange equations are derived. The method is to first prove the existence of…

Mathematical Physics · Physics 2022-09-27 Felix Finster , Christoph Langer

We define holomorphic quadratic differentials for spacelike surfaces with constant mean curvature in the Lorentzian homogeneous spaces $\mathbb{L}(\kappa,\tau)$ with isometry group of dimension 4, which are dual to the Abresch-Rosenberg…

Differential Geometry · Mathematics 2020-01-10 José M. Manzano

Riemannian four-manifolds in which the triple contraction of the curvature tensor against itself yields a functional multiple of the metric are called weakly Einstein. We focus on weakly Einstein K\"ahler surfaces. We provide several…

Differential Geometry · Mathematics 2026-01-26 Andrzej Derdzinski , Yunhee Euh , Sinhwi Kim , JeongHyeong Park

A compactness theorem is proved for a family of K\"{a}hler surfaces with constant scalar curvature and volume bounded from below, diameter bounded from above, Ricci curvature bounded and the signature bounded from below. Furthermore, a…

Differential Geometry · Mathematics 2013-04-04 Hongliang Shao

In this text we expound recent results by Idrisse Khemar on the construction of various geometric completely integrable systems generalizing the structure of Hamiltonian stationary Lagrangian surfaces (HSLS) discovered by F. H\'elein and P.…

Mathematical Physics · Physics 2008-12-15 Frédéric Hélein

We study the Gauss map of minimal surfaces in the Heisenberg group $\mathrm{Nil}_3$ endowed with a left-invariant Riemannian metric. We prove that the Gauss map of a nowhere vertical minimal surface is harmonic into the hyperbolic plane…

Differential Geometry · Mathematics 2011-03-23 Benoît Daniel

To study spacelike surfaces in the Lorentz-Minkowski space $\Bbb R^{4}_1,$ we construct a pair of maps whose values are in the lightcone, called $\mathfrak l_r^{\pm} $-Gauss maps. We can use these maps to study umbilical spacelike surfaces…

Differential Geometry · Mathematics 2011-10-11 Dang Van Cuong

This paper extends to dimension 4 the results in the article "Second Order Families of Special Lagrangian 3-folds" by Robert Bryant. We consider the problem of classifying the special Lagrangian 4-folds in C^4 whose fundamental cubic at…

Differential Geometry · Mathematics 2007-05-23 Marianty Ionel

We provide new general methods in the calculus of variations for the anisotropic Plateau problem in arbitrary dimension and codimension. A new direct proof of Almgren's 1968 existence result is presented; namely, we produce from a class of…

Analysis of PDEs · Mathematics 2017-01-25 Jenny Harrison , Harrison Pugh

Since J. L. Lagrange initiated in 1760 the study of minimal surfaces of Euclidean 3-space, minimal surfaces in real space forms have been studied extensively by many mathematicians during the last two and half centuries. In contrast, so far…

Differential Geometry · Mathematics 2013-07-16 Bang-Yen Chen

We construct compact arbitrary Euler characteristic orientable and non-orientable minimal surfaces in the Berger spheres. Besides we show an interesting family of surfaces that are minimal in every Berger sphere, characterizing them by this…

Differential Geometry · Mathematics 2010-07-08 Francisco Torralbo

In this paper we derive a Gauss-Bonnet formula for the renormalized area of Graham-Witten minimal hypersurfaces of 5-dimensional Poincar\'e-Einstein spaces. The formula we derive expresses the renormalized area in terms of integrals of…

Differential Geometry · Mathematics 2023-08-01 Aaron J. Tyrrell

Within the geometrical framework developed in arXiv:0705.2362, the problem of minimality for constrained calculus of variations is analysed among the class of differentiable curves. A fully covariant representation of the second variation…

Mathematical Physics · Physics 2012-10-17 Enrico Massa , Danilo Bruno , Gianvittorio Luria , Enrico Pagani

In this work we study surfaces in radial conformally flat spaces. We characterize surfaces of rotation with constant Gaussian and Extrinsic curvature in these radial 3-spaces. We prove that all the spheres in the conformal 3-space have…

Differential Geometry · Mathematics 2016-06-29 Armando V Corro , Marcelo A. Souza , Romildo Pina

We construct a Riemannian metric $g$ on $\mathbb{R}^4$ (arbitrarily close to the euclidean one) and a smooth simple closed curve $\Gamma\subset \mathbb R^4$ such that the unique area minimizing surface spanned by $\Gamma$ has infinite…

Differential Geometry · Mathematics 2019-07-02 Camillo De Lellis , Guido De Philippis , Jonas Hirsch