2011
DOI: 10.1214/ecp.v16-1656
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Multiple geodesics with the same direction

Abstract: The directed last-passage percolation (LPP) model with independent exponential times is considered. We complete the study of asymptotic directions of infinite geodesics, started by Ferrari and Pimentel [5]. In particular, using a recent result of [3] and a local modification argument, we prove there is no (random) direction with more than two geodesics with probability 1.

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Cited by 34 publications
(49 citation statements)
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“…From this, one can show absence of bigeodesics in deterministic directions. Further work was done by Coupier in [9].…”
Section: Geodesics In Related Modelsmentioning
confidence: 99%
“…From this, one can show absence of bigeodesics in deterministic directions. Further work was done by Coupier in [9].…”
Section: Geodesics In Related Modelsmentioning
confidence: 99%
“…It is well known that any stationary measure with respect to (5) that is also translation invariant is a convex combination of {ν α : 0 ≤ α ≤ 1} (see [15]). Another way to describe the TASEP is through the so-called Harris construction.…”
Section: Define the Measures {νmentioning
confidence: 99%
“…Illustration of the sorting process dynamics. The particle (5, 7) interacts with the only particle that is not ordered with respect to, (4,8), to create two new particles -(4, 7) and (5,8).…”
Section: Stationarity Of the Tazrp Speed Processmentioning
confidence: 99%
“…In recent years there has been a great deal of interest in studying the coalescence of polymers (maximal paths which we shall also refer to as geodesics) in last passage percolation models as well [19,15,36]. Much can be established in certain exactly solvable settings including the existence and uniqueness of semi-infinite geodesics starting at a given point along a given direction, and coalescence of geodesics along deterministic directions.…”
Section: Introductionmentioning
confidence: 99%