Uniqueness of spacelike hypersurfaces with constant higher order mean curvature in generalized Robertson–Walker spacetimes

In this paper we study the problem of uniqueness for spacelike hypersurfaces with constant higher order mean curvature in generalized Robertson–Walker (GRW) spacetimes. In particular, we consider the following question: under what conditions must a compact spacelike hypersurface with constant higher...

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Bibliographic Details
Published in:Mathematical proceedings of the Cambridge Philosophical Society 2007-11, Vol.143 (3), p.703-729
Main Authors: ALÍAS, LUIS J., COLARES, A. GERVASIO
Format: Article
Language:English
Subjects:
Geometry
Mathematics
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Summary:In this paper we study the problem of uniqueness for spacelike hypersurfaces with constant higher order mean curvature in generalized Robertson–Walker (GRW) spacetimes. In particular, we consider the following question: under what conditions must a compact spacelike hypersurface with constant higher order mean curvature in a spatially closed GRW spacetime be a spacelike slice? We prove that this happens, essentially, under the so called null convergence condition. Our approach is based on the use of the Newton transformations (and their associated differential operators) and the Minkowski formulae for spacelike hypersurfaces.
ISSN:0305-0041
1469-8064
DOI:10.1017/S0305004107000576