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相关论文: Minimal tori in five-dimensional sphere in $C^3$

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We characterize the perimeter-minimizing double bubbles on all flat two-tori and, as corollaries, on the flat infinite cylinder and the flat infinite strip with free boundary. Specifically, we show that there are five distinct types of…

In this note, we answer positively a question of Yau by proving the existence of closed minimal surfaces with negative induced curvature in any sphere of large dimension. The proof follows the strategy of Song, applying it to closed Riemann…

微分几何 · 数学 2025-11-14 Michele Ancona , François Labourie , Anna Roig Sanchis , Jérémy Toulisse

It is a well known phenomenon that many classical minimal surfaces in Euclidean space also exist with higher dihedral symmetry. More precisely, these surfaces are solutions to free boundary problems in a wedge bounded by two vertical planes…

微分几何 · 数学 2024-01-02 Ramazan Yol

The class of differential equations describing pseudospherical surfaces enjoys important integrability properties which manifest themselves by the existence of infinite hierarchies of conservation laws (both local and non-local) and the…

微分几何 · 数学 2015-06-29 Tarcísio Castro Silva , Niky Kamran

Surfaces of finite geometric type are complete, immersed into the tree-dimensional Euclidean space with finite total curvature and Gauss map extending to an oriented compact surface as a smooth branched covering map over the unit sphere of…

微分几何 · 数学 2019-06-24 Nícolas A. de Andrade , Luquesio P. Jorge

We deal with minimal surfaces in spheres that are locally isometric to a pseudoholomorphic curve in a totally geodesic $\mathbb{S}^{5}$ in the nearly K{\"a}hler sphere $\mathbb{S}^6$. Being locally isometric to a pseudoholomorphic curve in…

微分几何 · 数学 2020-01-01 Amalia-Sofia Tsouri , Theodoros Vlachos

Minimal tori that are linearly full in the 3-sphere possess a natural invariant g called their spectral genus, which was introduced by Hitchin. We show that for each g>0, there are countably many real g-dimensional families of minimally…

微分几何 · 数学 2007-05-23 Emma Carberry

We construct three kinds of complete embedded minimal surfaces in $\Bbb H^2\times \Bbb R$. The first is a simply connected, singly periodic, infinite total curvature surface. The second is an annular finite total curvature surface. These…

微分几何 · 数学 2011-01-27 Juncheol Pyo

We compute lower bounds for the Morse index and nullity of constant mean curvature tori of revolution in the three-dimensional unit sphere. In particular, all such tori have index at least five, with index growing at least linearly with…

微分几何 · 数学 2008-09-27 Wayne Rossman , Nahid Sultana

Let $\mathcal{K}$ be the space of properly embedded minimal tori in quotients of $\R^3$ by two independent translations, with any fixed (even) number of parallel ends. After an appropriate normalization, we prove that $\mathcal{K}$ is a…

微分几何 · 数学 2007-05-23 Joaquin Perez , M. Magdalena Rodriguez , Martin Traizet

Bryant \cite{Bryant84} classified all Willmore spheres in $3$-space to be given by minimal surfaces in $\mathbb R^3$ with embedded planar ends. This note provides new explicit formulas for genus 0 minimal surfaces in $\mathbb R^3$ with…

微分几何 · 数学 2020-03-17 Sebastian Heller

The self intersection of an immersion i : S^2 \to R^3 dissects S^2 into pieces which are planar surfaces (unless i is an embedding). In this work we determine what collections of planar surfaces may be obtained in this way. In particular,…

几何拓扑 · 数学 2007-05-23 Tahl Nowik

n this paper, we consider a method of constructing flat surfaces based on Ribaucour transformations in the sphere 3-space. By applying the theory to the flat torus, we obtain a families of complete flat surfaces in $S^3$ which are…

几何拓扑 · 数学 2021-03-09 Armando M. V. Corro , Marcelo Lopes Ferro

In this paper we show that all totally real superconformal minimal tori in $CP^2$ correspond with doubly-periodic finite gap solutions of the Tzitzeica equation $$\omega_{z{\overline z}}=e^{-2\omega}-e^{\omega}$$ Using the results on the…

微分几何 · 数学 2016-09-07 Hui Ma , Yujie Ma

A new method is presented for solving the Gauss-Codazzi equations for a compact Riemann surface to be immersed in a 3-manifold of constant curvature. In the negative curvature case, the moduli for such embeddings are cohomology classes of…

微分几何 · 数学 2007-05-23 Alexandre C. Goncalves , Karen K. Uhlenbeck

This paper is motivated by the question of whether a sequence of solutions of a given integrable system can be blown up to obtain a solution of a different integrable system in the limit. We study a specific example of this phenomenon.…

微分几何 · 数学 2025-05-13 Emma Carberry , Sebastian Klein , Martin Ulrich Schmidt

This article explains a program to study complete and properly embedded minimal surfaces in $\mathbb{R}^3$ developed jointly with W.H. Meeks and A. Ros in the last three decades. It follows closely the structure of my invited ICM talk with…

微分几何 · 数学 2025-10-15 Joaquín Pérez

We prove an enumerative min-max theorem that relates the number of genus g minimal surfaces in 3-manifolds of positive Ricci curvature to topological properties of the set of embedded surfaces of genus $\leq g$, possibly with finitely many…

微分几何 · 数学 2026-01-06 Adrian Chun-Pong Chu , Yangyang Li , Zhihan Wang

We construct new examples of immersed minimal surfaces with catenoid ends and finite total curvature, of both genus zero and higher genus. In the genus zero case, we classify all such surfaces with at most $2n+1$ ends, and with symmetry…

微分几何 · 数学 2008-04-29 Wayne Rossman

Methodology is provided towards the solution of the minimum enclosing ball problem. This problem concerns the determination of the unique spherical surface of smallest radius enclosing a given bounded set in the d-dimensional Euclidean…

计算几何 · 计算机科学 2024-10-16 Michael N. Vrahatis