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Universality of the geodesic tree in last passage percolation

Probability 2020-08-19 v1

Abstract

In this paper we consider the geodesic tree in exponential last passage percolation. We show that for a large class of initial conditions around the origin, the line-to-point geodesic that terminates in a cylinder of width o(N2/3)o(N^{2/3}) and length o(N)o(N) agrees in the cylinder, with the stationary geodesic sharing the same end point. In the case of the point-to-point model, we consider width δN2/3\delta N^{2/3} and length up to δ3/2N/(log(δ1))3\delta^{3/2} N/(\log(\delta^{-1}))^3 and provide lower and upper bound for the probability that the geodesics agree in that cylinder.

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Cite

@article{arxiv.2008.07844,
  title  = {Universality of the geodesic tree in last passage percolation},
  author = {Ofer Busani and Patrik Ferrari},
  journal= {arXiv preprint arXiv:2008.07844},
  year   = {2020}
}

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39 pages