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We prove a sharp Alexandrov-Fenchel-type inequality for star-shaped, strictly mean convex hypersurfaces in hyperbolic $n$-space, $n\geq 3$. The argument uses two new monotone quantities along the inverse mean curvature flow. As an…

Differential Geometry · Mathematics 2021-07-30 Levi Lopes de Lima , Frederico Girão

In this work, we prove an optimal Penrose inequality for asymptotically locally hyperbolic manifolds which can be realized as graphs over Kottler space. Such inequality relies heavily on an optimal weighted Alexandrov-Fenchel inequality for…

Differential Geometry · Mathematics 2013-09-25 Yuxin Ge , Guofang Wang , Jie Wu , Chao Xia

We establish versions of the Positive Mass and Penrose inequalities for a class of asymptotically hyperbolic hypersurfaces. In particular, under the usual dominant energy condition, we prove in all dimensions $n\geq 3$ an optimal Penrose…

Differential Geometry · Mathematics 2012-01-25 Levi Lopes de Lima , Frederico Girão

In this paper, we use the inverse mean curvature flow to establish an optimal Minkowski type inquality, weighted Alexandrov-Fenchel inequality for the mean convex star shaped hypersurfaces in Reissner-Nordstr\"om-anti-deSitter manifold and…

Differential Geometry · Mathematics 2017-10-09 Daguang Chen , Haizhong Li , Tailong Zhou

In this paper we study asymptotically hyperbolic manifolds given as graphs of asymptotically constant functions over hyperbolic space $\bH^n$. The graphs are considered as subsets of $\bH^{n+1}$ and carry the induced metric. For such…

Differential Geometry · Mathematics 2013-06-07 Mattias Dahl , Romain Gicquaud , Anna Sakovich

In the asymptotically locally hyperbolic setting it is possible to have metrics with scalar curvature at least -6 and negative mass when the genus of the conformal boundary at infinity is positive. Using inverse mean curvature flow, we…

Differential Geometry · Mathematics 2013-10-14 Dan A. Lee , André Neves

We construct a solution to inverse mean curvature flow on an asymptotically hyperbolic 3-manifold which does not have the convergence properties needed in order to prove a Penrose--type inequality. This contrasts sharply with the…

Differential Geometry · Mathematics 2007-11-28 Andre Neves

The paper consists of two parts. In the first part, by using the Gauss-Bonnet curvature, which is a natural generalization of the scalar curvature, we introduce a higher order mass, the Gauss-Bonnet-Chern mass $m^{\H}_k$, for asymptotically…

Differential Geometry · Mathematics 2013-06-19 Yuxin Ge , Guofang Wang , Jie Wu

In this article, we will use the harmonic mean curvature flow to prove a new class of Alexandrov-Fenchel type inequalities for strictly convex hypersurfaces in hyperbolic space in terms of total curvature, which is the integral of Gaussian…

Differential Geometry · Mathematics 2019-03-15 Ben Andrews , Yingxiang Hu , Haizhong Li

We prove the equality case of the Penrose inequality in all dimensions for asymptotically flat hypersurfaces. It was recently proven by G. Lam that the Penrose inequality holds for asymptotically flat graphical hypersurfaces in Euclidean…

Differential Geometry · Mathematics 2013-05-03 Lan-Hsuan Huang , Damin Wu

In this article, we will use inverse mean curvature flow to establish an optimal Sobolev-type inequality for hypersurfaces $\Sigma$ with nonnegative sectional curvature in $\mathbb{H}^n$. As an application, we prove the hyperbolic…

Differential Geometry · Mathematics 2019-03-15 Yingxiang Hu , Haizhong Li

We prove the existence of asymptotically hyperbolic solutions to the vacuum Einstein constraint equations with a marginally outer trapped boundary of positive mean curvature, using the constant mean curvature conformal method. As an…

General Relativity and Quantum Cosmology · Physics 2023-02-16 Marcus Khuri , Jarosław Kopiński

In this article, we first introduce the quermassintegrals for compact hypersurfaces with capillary boundaries in hyperbolic space from a variational viewpoint, and then we solve an isoperimetric type problem in hyperbolic space. By…

Differential Geometry · Mathematics 2024-06-18 Xinqun Mei , Liangjun Weng

We find a monotone quantity along the inverse mean curvature flow and use it to prove an Alexandrov-Fenchel-type inequality for strictly convex hypersurfaces in the $n$-dimensional sphere, $n \geq 3$.

Differential Geometry · Mathematics 2016-09-20 Frederico Girão , Neilha M. Pinheiro

We establish an inequality relating the surface gravity and topology of a horizon in a $3$-dimensional asymptotically locally hyperbolic static space with the geometry at infinity. Equality is achieved only by the Kottler black holes, and…

Differential Geometry · Mathematics 2025-09-23 Brian Harvie , Ye-Kai Wang

In this article, we prove the Riemannian Penrose inequality for asymptotically flat manifolds with non-compact boundary whose asymptotic region is modelled on a half-space. Such spaces were initially considered by Almaraz, Barbosa and de…

Differential Geometry · Mathematics 2020-01-15 Thomas Koerber

In this paper we first establish an optimal Sobolev type inequality for hypersurfaces in $\H^n$(see Theorem \ref{mainthm1}). As an application we obtain hyperbolic Alexandrov-Fenchel inequalities for curvature integrals and…

Differential Geometry · Mathematics 2013-04-05 Yuxin Ge , Guofang Wang , Jie Wu

We generalize Brendle's geometric inequality considered in \cite{B} to static manifolds. The inequality bounds the integral of inverse mean curvature of an embedded mean-convex hypersurface by geometric data of the horizon. As a…

Differential Geometry · Mathematics 2018-11-07 Xiaodong Wang , Ye-Kai Wang

Using spinorial techniques, we prove, for a class of pseudo-hyperbolic ambient manifolds, a Heintze-Karcher type inequality. We then use this inequality to show an Alexandrov type theorem in such spaces.

Differential Geometry · Mathematics 2018-06-05 Frederico Girão , Diego Rodrigues

The null Penrose inequality, i.e. the Penrose inequality in terms of the Bondi energy, is studied by introducing a funtional on surfaces and studying its properties along a null hypersurface $\Omega$ extending to past null infinity. We…

General Relativity and Quantum Cosmology · Physics 2016-05-25 Marc Mars , Alberto Soria
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