%0 Journal Article %A Dirk Mittenhuber %T On the causal structure of Lorentzian Lie groups. A globality theorem for Lorentzian cones in certain solvable Lie algebras. %J Mathematische Annalen %D 1996 %P 343-354 %V 305 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182991/ %F MAN_1996__305_2_182991