Constant mean curvature foliations of globally hyperbolic spacetimes locally modelled on $AdS_3$
Résumé
We prove that any maximal globally hyperbolic spacetime locally modelled on the anti-de Sitter space of dimension $3$, and admitting a closed Cauchy surface, admits a time function $\tau$, such that every fiber $\tau^{-1}(t)$ is a spacelike surface with constant mean curvature $t$.
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