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For several embedded surfaces with zero self-intersection number in 4-manifolds, we show that an adjunction-type genus bound holds for at least one of the surfaces under certain conditions. For example, we derive certain adjunction…

几何拓扑 · 数学 2017-04-14 Hokuto Konno

Let $S$ be a minimal surface of general type with irregularity $q(S) = 1$. Well-known inequalities between characteristic numbers imply that $3 p_g(S) \le c_2(S) \le 10 p_g(S)$, where $p_g(S)$ is the geometric genus and $c_2(S)$ the…

代数几何 · 数学 2018-04-23 Matthew Stover

We prove that for any weakly convergent sequence of finite graphs with bounded vertex degrees, there exists a topological limit graphing.

组合数学 · 数学 2007-05-23 Gabor Elek

This paper is the third in a series where we describe the space of all embedded minimal surfaces of fixed genus in a fixed (but arbitrary) closed 3-manifold. In [CM3]-[CM5] we describe the case where the surfaces are topologically disks on…

偏微分方程分析 · 数学 2007-05-23 Tobias H. Colding , William P. Minicozzi

We find the minimal number of self-intersections of the boundary of a surface of genus g generically immersed in the plane.

微分几何 · 数学 2009-03-19 Larry Guth

A very interesting problem in the classical theory of minimal surfaces consists of the classification of such surfaces under some geometrical and topological constraints. In this short paper, we give a brief summary of the known…

微分几何 · 数学 2007-05-23 M. Magdalena Rodriguez

We prove a local rigidity result for infinitesimally rigid capillary surfaces in some Riemannian $3$-manifolds with mean convex boundary. We also derive bounds on the genus, number of boundary components and area of any compact two-sided…

微分几何 · 数学 2021-04-13 Eduardo Longa

We consider surfaces embedded in a 3D contact sub-Riemannian manifold and the problem of the finiteness of the induced distance (i.e., the infimum of the length of horizontal curves that belong to the surface). Recently it has been proved…

微分几何 · 数学 2024-07-15 Eugenio Bellini , Ugo Boscain

Given a sequence of properly embedded minimal surfaces in a $3$-manifold with local bounds on area and genus, we prove subsequential convergence, smooth away from a discrete set, to a smooth embedded limit surface, possibly with…

微分几何 · 数学 2024-01-26 Brian White

Given a closed manifold of dimension at least three, with non trivial homotopy group \pi_3(M) and a generic metric, we prove that there is a finite collection of harmonic spheres with Morse index bound one, with sum of their energies…

微分几何 · 数学 2020-02-26 Yuchin Sun

The topology and symmetry group of a free boundary minimal surface in the three-dimensional Euclidean unit ball do not determine the surface uniquely. We provide pairs of non-isometric free boundary minimal surfaces having any sufficiently…

微分几何 · 数学 2023-10-10 Alessandro Carlotto , Mario B. Schulz , David Wiygul

We employ min-max techniques to show that the unit ball in $\mathbb{R}^3$ contains embedded free boundary minimal surfaces with connected boundary and arbitrary genus.

微分几何 · 数学 2022-10-25 Alessandro Carlotto , Giada Franz , Mario B. Schulz

Let $ \Omega \subsetneq \mathbf{R}^n\,(n\geq 2)$ be an unbounded convex domain. We study the minimal surface equation in $\Omega$ with boundary value given by the sum of a linear function and a bounded uniformly continuous function in $…

偏微分方程分析 · 数学 2022-01-19 Guosheng Jiang , Zhehui Wang , Jintian Zhu

We introduce a very natural topology on the set of total orderings of monomials of any algebra having a countable basis over a field. This topological space and some notable subspaces are compact. This topological framework allows us to…

环与代数 · 数学 2011-06-02 Roberto Boldini

We show that in a closed 3-manifold with a generic metric of positive Ricci curvature, there are minimal surfaces of arbitrary large Morse index, which partially confirms a conjecture by F. Marques and A. Neves. We prove this by analyzing…

微分几何 · 数学 2016-05-25 Haozhao Li , Xin Zhou

We consider constant mean curvature surfaces of finite topology, properly embedded in three-space in the sense of Alexandrov. Such surfaces with three ends and genus zero were constructed and completely classified by the authors in…

微分几何 · 数学 2007-12-05 Karsten Grosse-Brauckmann , Robert B. Kusner , John M. Sullivan

We prove the compactness of self-shrinkers in $\mathbb R^3$ with bounded entropy and fixed genus. As a corollary, we show that numbers of ends of such surfaces are uniformly bounded by the entropy and genus.

微分几何 · 数学 2019-12-02 Ao Sun , Zhichao Wang

In this paper, we give several results on area minimizing surfaces in strictly mean convex 3-manifolds. First, we study the genus of absolutely area minimizing surfaces in a compact, orientable, strictly mean convex 3-manifold M bounded by…

微分几何 · 数学 2015-07-02 Theodora Bourni , Baris Coskunuzer

We prove that orientable index one minimal surfaces in spherical space forms with large fundamental group have genus at most two. This confirms a conjecture of R. Schoen for an infinite class of 3-manifolds.

微分几何 · 数学 2018-12-06 Celso Viana

given two minimal surfaces embedded in $\S3$ of genus $g$ we prove the existence of a sequence of non-congruent compact minimal surfaces embedded in $\S3$ of genus $g$ that converges in $C^{2,\alpha}$ to a compact embedded minimal surface…

微分几何 · 数学 2010-01-04 Fernando A. A. Pimentel