TY - JOUR AU - Dirk Mittenhuber TI - On the causal structure of Lorentzian Lie groups. A globality theorem for Lorentzian cones in certain solvable Lie algebras. JO - Mathematische Annalen PY - 1996 SP - 343 EP - 354 VL - 305 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182991/ ID - MAN_1996__305_2_182991 ER -