Closed Timelike Curves in Flat Lorentz Spacetimes

Details Closed Timelike Curves in Flat Lorentz Spacetimes Closed Timelike Curves in Flat Lorentz Spacetimes

2002-01-21

arxiv.org/abs/math/0201199v2

J.Geom.Phys. 46 (2003) 394-408

Mathematics

Differential Geometry

New version: some typos fixed and new comment after Proposition 4.1

Scientific paper

10.1016/S0393-0440(02)00153-5

We consider the region of closed timelike curves (CTC's) in three-dimensional flat Lorentz spacetimes. The interest in this global geometrical feature goes beyond the purely mathematical. Such spacetimes may be considered lower-dimensional toy models of sourceless Einstein gravity or cosmology. In particular, our interest in this note will be to find the set free of CTC's for $E/<\gamma>$, where $E$ is modeled on Minkowski space and $\gamma$ is a Poincar\'e transformation. We describe the set free of CTC's where $\gamma$ is hyperbolic, parabolic and elliptic.

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