Mathematics > Probability
[Submitted on 1 May 2014]
Title:Asymptotic behavior of a relativistic diffusion in Robertson-Walker space-times
View PDFAbstract:We determine the long-time asymptotic behavior of a relativistic diffusion taking values in the unitary tangent bundle of a Robertson-Walker space-time. We prove in particular that when approaching the explosion time of the diffusion, its projection on the base manifold almost surely converges to a random point of the causal boundary and we also describe the behavior of the tangent vector in the neighborhood of this limiting point.
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