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math.GT2005
Causal properties of AdS-isometry groups II: BTZ multi black-holes
Thierry Barbot
This paper is the continuation of [8]. We essentially prove that the familly of strongly causal spacetimes defined in [8] associated to generic achronal subsets in Ein contains all…
math.GT2005
Causal properties of AdS-isometry groups I: Causal actions and limit sets
Thierry Barbot
We study the causality relation in the 3-dimensional anti-de Sitter space AdS and its conformal boundary Ein. To any closed achronal subset in we associate the invis…
math.GT2004
Globally Hyperbolic Flat Spacetimes
Thierry Barbot
We consider (flat) Cauchy-complete GH spacetimes, i.e., globally hyperbolic flat lorentzian manifolds admitting some Cauchy hypersurface on which the ambient lorentzian metric rest…