On the connectedness of the space of initial data for the Einstein equations.
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On the geometry of null cones in Einstein-vacuum spacetimes
Qian Wang (2009)
Annales de l'I.H.P. Analyse non linéaire
On the quadric CMC spacelike hypersurfaces in Lorentzian space forms
Cícero P. Aquino, Henrique F. de Lima, Fábio R. dos Santos (2016)
Colloquium Mathematicae
We deal with complete spacelike hypersurfaces immersed with constant mean curvature in a Lorentzian space form. Under the assumption that the support functions with respect to a fixed nonzero vector are linearly related, we prove that such a hypersurface must be either totally umbilical or isometric to a hyperbolic cylinder of the ambient space.
Onde di discontinuità gravitazionali in relatività generale
Gianluca Gemelli (1998)
Bollettino dell'Unione Matematica Italiana
Currently displaying 1 – 4 of 4
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