Calculus of Variations and Geometric Measure Theory
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S. Borghini - L. Mazzieri

On the mass of static metrics with positive cosmological constant - II

created by borghini on 07 Apr 2018



Inserted: 7 apr 2018

Year: 2017

ArXiv: 1711.07024 PDF


This is the second of two works, in which we discuss the definition of an appropriate notion of mass for static metrics, in the case where the cosmological constant is positive and the model solutions are compact. In the first part, we have established a positive mass statement, characterising the de Sitter solution as the only static vacuum metric with zero mass. In this second part, we prove optimal area bounds for horizons of black hole type and of cosmological type, corresponding to Riemannian Penrose inequalities and to cosmological area bounds \`a la Boucher-Gibbons-Horowitz, respectively. Building on the related rigidity statements, we also deduce a uniqueness result for the Schwarzschild-de Sitter spacetime.

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