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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

We use the inverse mean curvature flow to prove a sharp Alexandrov-Fenchel-type inequality for a class of hypersurfaces in certain locally hyperbolic manifolds. As an application we derive an optimal Penrose inequality for asymptotically…

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

In this paper, we consider conformal metrics on a unit 4-disc with an asymptotically hyperbolic end and possible isolated conic singularities. We define a mass term of the AH end. If the $\sigma_{2}$ curvature has lower bound…

Differential Geometry · Mathematics 2022-07-12 Hao Fang , Wei Wei

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 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

In axially symmetric spacetimes the Penrose inequality can be strengthened to include angular momentum. We prove a version of this inequality for minimal surfaces, more precisely, a lower bound for the ADM mass in terms of the area of a…

General Relativity and Quantum Cosmology · Physics 2018-01-26 Pablo Anglada

In general relativity, the Penrose inequality relates the mass and the entropy associated with a gravitational background. If the inequality is violated by an initial Cauchy data, it suggests a creation of a naked singularity, thus…

High Energy Physics - Theory · Physics 2015-05-28 Igor Itkin , Yaron Oz

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

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

The conformal flow of metrics [2] has been used to successfully establish a special case of the Penrose inequality, which yields a lower bound for the total mass of a spacetime in terms of horizon area. Here we show how to adapt the…

General Relativity and Quantum Cosmology · Physics 2018-06-28 Qing Han , Marcus Khuri

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

We construct families of asymptotically locally hyperbolic Riemannian metrics with constant scalar curvature (i.e., time symmetric vacuum general relativistic initial data sets with negative cosmological constant), with prescribed topology…

High Energy Physics - Theory · Physics 2023-07-25 Piotr T. Chruściel , Erwann Delay

We establish the charged Penrose inequality for time symmetric initial data sets having an outermost minimal surface boundary and finitely many asymptotically cylindrical ends, with an appropriate rigidity statement. This is accomplished by…

General Relativity and Quantum Cosmology · Physics 2025-07-14 Jaroslaw Jaracz

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

We establish a lower bound on the total mass of the time slices of (n + 1)-dimensional asymptotically flat standard static spacetimes under the timelike convergence condition. The inequality can be viewed equivalently as a Minkowski-type…

General Relativity and Quantum Cosmology · Physics 2026-02-11 Brian Harvie

The positive mass theorem is one of the fundamental results in general relativity. It states that, assuming the dominant energy condition, the total mass of an asymptotically flat spacetime is non-negative. The Penrose inequality provides a…

Differential Geometry · Mathematics 2018-10-25 Po-Ning Chen

The Positive Mass Theorem states that a complete asymptotically flat manifold of nonnegative scalar curvature has nonnegative mass. The Riemannian Penrose inequality provides a sharp lower bound for the mass when black holes are present.…

Differential Geometry · Mathematics 2019-12-19 Hubert L. Bray , Dan A. Lee

We establish mass lower bounds of Penrose-type in the setting of $3$-dimensional initial data sets for the Einstein equations satisfying the dominant energy condition, which are either asymptotically flat or asymptotically hyperboloidal.…

Differential Geometry · Mathematics 2025-04-16 Brian Allen , Edward Bryden , Demetre Kazaras , Marcus Khuri

We define a notion of renormalized volume of an asymptotically hyperbolic manifold. Moreover, we prove a sharp volume comparison theorem for metrics with scalar curvature at least -6. Finally, we show that the inequality is strict unless…

Differential Geometry · Mathematics 2015-06-16 S. Brendle , O. Chodosh

For asymptotically flat spacetimes the Penrose inequality gives an initial data test for the weak cosmic censorship hypothesis. We give a formulation of this inequality for asymptotically anti-deSitter (AAdS) spacetimes, and show that the…

General Relativity and Quantum Cosmology · Physics 2017-12-06 Viqar Husain , Suprit Singh
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