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math.DG2014
Compact spacelike surfaces whose mean curvature function satisfies a nonlinear inequality in a 3-dimensional Generalized Robertson-Walker spacetime
Alfonso Romero, Rafael M. Rubio
Spacelike surfaces in Generalized Robertson-Walker spacetimes whose mean curvature function satisfies a natural nonlinear inequality are analyzed. Several uniqueness and nonexisten…
math.DG2014
Constant mean curvature spacelike hypersurfaces in Lorentzian warped products and Calabi-Bernstein type problems
Juan A. Aledo, Alfonso Romero, Rafael M. Rubio
In this paper we provide several uniqueness and non-existence results for complete parabolic constant mean curvature spacelike hypersurfaces in Lorentzian warped products under app…