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Penrose Type Inequalities for Asymptotically Hyperbolic Graphs
KTH, School of Engineering Sciences (SCI), Mathematics (Dept.).ORCID iD: 0000-0002-9184-1467
2013 (English)In: Annales de l'Institute Henri Poincare. Physique theorique, ISSN 1424-0637, E-ISSN 1424-0661, Vol. 14, no 5, 1135-1168 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we study asymptotically hyperbolic manifolds given as graphs of asymptotically constant functions over hyperbolic space H-n. The graphs are considered as unbounded hypersurfaces of Hn+1 which carry the induced metric and have an interior boundary. For such manifolds, the scalar curvature appears in the divergence of a 1-form involving the integrand for the asymptotically hyperbolic mass. Integrating this divergence, we estimate the mass by an integral over the inner boundary. In case the inner boundary satisfies a convexity condition, this can in turn be estimated in terms of the area of the inner boundary. The resulting estimates are similar to the conjectured Penrose inequality for asymptotically hyperbolic manifolds. The work presented here is inspired by Lam's article (The graph cases of the Riemannian positive mass and Penrose inequalities in all dimensions., 2010) concerning the asymptotically Euclidean case. Using ideas developed by Huang and Wu (The equality case of the penrose inequality for asymptotically flat graphs., 2012), we can in certain cases prove that equality is only attained for the anti-de Sitter Schwarzschild metric.

Place, publisher, year, edition, pages
2013. Vol. 14, no 5, 1135-1168 p.
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URN: urn:nbn:se:kth:diva-124567DOI: 10.1007/s00023-012-0218-4ISI: 000320002900004ScopusID: 2-s2.0-84879988595OAI: diva2:636846

QC 20130712

Available from: 2013-07-12 Created: 2013-07-12 Last updated: 2013-07-12Bibliographically approved

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Dahl, Mattias
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