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Related papers: On Huber's type theorems in general dimensions

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In this paper, we generalize Huber's finite point conformal compactification theorem to a higher dimensional manifold, which is conformally compact with $L^\frac{n}{2}$ integrable Ricci curvatures.

Differential Geometry · Mathematics 2022-06-09 Bo Chen , Yuxiang Li

In this paper we give a new, and shorter, proof of Huber's theorem which affirms that for a connected open Riemann surface endowed with a complete conformal Riemannian metric, if the negative part of its Gaussian curvature has finite mass,…

Differential Geometry · Mathematics 2022-12-16 Chen Zhou

Extensions of Huber's Theorem to higher dimensions with $L^\frac{n}{2}$ bounded scalar curvature have been extensively studied over the years. In this paper, we delve into the properties of conformal metrics on a punctured ball with…

Differential Geometry · Mathematics 2024-04-08 Yuxiang Li , Zihao Wang

In this paper, we prove that a two-dimensional self-shrinker, homeomorphic to the sphere, immersed in the three dimensional Euclidean space is a round sphere, provided its mean curvature and the norm of its position vector have an upper…

Differential Geometry · Mathematics 2021-09-14 Hilário Alencar , Gregório Silva Neto , Detang Zhou

In this paper, we use the viewpoint of Gromov-Haustorff convergence to give some new comprehension of well known theorem,it is Huber's classification theorem\cite{Huber}\cite{MS}for complete Riemannian surfaces immersed in $\mathbb{R}^n$…

Differential Geometry · Mathematics 2020-09-02 Sun Jianxin , Jie Zhou

In this paper we prove that a conformally compact Einstein manifold with the round sphere as its conformal infinity has to be the hyperbolic space. We do not assume the manifolds to be spin, but our approach relies on the positive mass…

Differential Geometry · Mathematics 2007-05-23 Jie Qing

We show a closed Bach-flat Riemannian manifold with a fixed positive constant scalar curvature has to be locally spherical if its Weyl and traceless Ricci tensors are small in the sense of either $L^\infty$ or $L^{\frac{n}{2}}$-norm.…

Differential Geometry · Mathematics 2017-04-24 Yi Fang , Wei Yuan

In this paper, we mainly study the compactness and local structure of immersing surfaces in $\mathbb{R}^n$ with local uniform bounded area and small total curvature $\int_{\Sigma\cap B_1(0)} |A|^2$. A key ingredient is a new quantity which…

Differential Geometry · Mathematics 2019-04-05 Jianxin Sun , Jie Zhou

We prove that under some assumptions on the mean curvature the set of umbilical points of an immersed surface in a $3$-dimensional space form has positive measure. In case of an immersed sphere our result can be seen as a generalization of…

Differential Geometry · Mathematics 2021-01-21 Giovanni Catino , Alberto Roncoroni , Luigi Vezzoni

In this paper, we successfully set up a generalized sphere theorem for compact Riemannian manifolds with radial Ricci curvature bounded.

Differential Geometry · Mathematics 2025-06-03 Jing Mao

In this paper we prove that under a lower bound on the Ricci curvature and an asymptotic assumption on the scalar curvature, a complete conformally compact manifold $(M^{n+1},g)$, with a pole $p$ and with the conformal infinity in the…

Differential Geometry · Mathematics 2008-01-08 Satyaki Dutta

In this paper we prove rigidity results for two-dimensional, closed, immersed, non-necessarily convex, self-similar solutions of a wide class of fully non-linear parabolic flows in $\mathbb{R}^3$. We show this self-similar solutions are the…

Differential Geometry · Mathematics 2020-09-23 Hilário Alencar , Gregório Silva Neto , Detang Zhou

The main point of this paper is that, under suitable conditions on the mean curvature and the Ricci curvature of the ambient space, we can extend Choi-Schoen's Compactness Theorem to compact embedded minimal surfaces to simple immersed…

Differential Geometry · Mathematics 2011-08-30 Jose M. Espinar

In this note we characterize compact hypersurfaces of dimension $n\geq 2$ with constant mean curvature $H$ immersed in space forms of constant curvature and satisfying an optimal integral pinching condition: they are either totally…

Differential Geometry · Mathematics 2016-12-06 Giovanni Catino

We prove that every complete, minimally immersed submanifold $f\: M^n \to \mathbb{S}^{n+p}$ whose second fundamental form satisfies $|A|^2 \le np/(2p-1)$, is either totally geodesic, or (a covering of) a Clifford torus or a Veronese surface…

Differential Geometry · Mathematics 2024-10-15 Marco Magliaro , Luciano Mari , Fernanda Roing , Andreas Savas-Halilaj

In this paper we develop a global correspondence between immersed horospherically convex hypersurfaces in hyperbolic space and complete conformal metrics on domains in the sphere. We establish results on when the hyperbolic Gauss map is…

Differential Geometry · Mathematics 2012-12-07 Vincent Bonini , Jose Espinar , Jie Qing

We study the second Huber theorem in dimensions 2 and 4. In dimension 2, we prove a new version assuming that the Gauss curvature lies in a negative Sobolev space using Coulomb frames. In dimension $4$, given a metric having a pointwise…

Differential Geometry · Mathematics 2025-12-16 Paul Laurain , Dorian Martino

In this paper, we present finite topological type theorems for open manifolds with non-negative Ricci curvature, under almost maximal local rewinding volume. Unlike previous related research, our theorems remove the constraints of sectional…

Differential Geometry · Mathematics 2024-09-09 Hongzhi Huang

In 1951, H. Hopf proved that the only surfaces, homeomorphic to the sphere, with constant mean curvature in the Euclidean space are the round (geometrical) spheres. These results were generalized by S. S. Chern, and then by Eschenburg and…

Differential Geometry · Mathematics 2022-03-15 Hilário Alencar , Gregório Silva Neto

We relate the positivity of the curvature term in the Weitzenbock formula for the Laplacian on p-forms on a complete manifold to the existence of bounded and $L^2$ harmonic forms. In the case where the manifold is the universal cover of a…

dg-ga · Mathematics 2016-05-09 K. D. Elworthy , Xue-Mei Li , Steven Rosenberg
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