1. Alaña V. and Flores J.L., The causal boundary of product spacetimes.Gen. Relativ. Gravitation39(2007) 1697–1718.
2. Alías L.J. and Gervasio Colares A., Uniqueness of spacelike hypersurfaces with constant higher order mean curvature in generalized Robertson-Walker space-times.Math. Proc. Cambridge Philos. Soc.143(2007) 703–729.
3. J. Angst, Asymptotic behavior of a relativistic diffusion in Robertson-Walker space-times. To appear inAnn. Inst. Henri Poincaré. Preprint arXiv:1405.0142 (2014).
4. J. Angst and C. Tardif, Dévissage of a Poisson boundary under equivariance and regularity conditions. Séminaire de probabilités de Strasbourg. Preprint arXiv:1311.4428 (2015).
5. J. Angst and C. Tardif, Poisson boundary of a relativistic Markov processes. Work in progress (2015).