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research article

Stuck Walks: A Conjecture Of Erschler, Toth And Werner

Kious, Daniel  
2016
Annals Of Probability

In this paper, we work on a class of self-interacting nearest neighbor random walks, introduced in [Probab. Theory Related Fields 154 (2012) 149-163], for which there is competition between repulsion of neighboring edges and attraction of next-to-neighboring edges. Erschler, Toth and Werner proved in [Probab. Theory Related Fields 154 (2012) 149-163] that, for any L >= 1, if the parameter alpha belongs to a certain interval (alpha(L+1), alpha(L)), then such random walks localize on L + 2 sites with positive probability. They also conjectured that this is the almost sure behavior. We prove this conjecture partially, stating that the walk localizes on L + 2 or L + 3 sites almost surely, under the same assumptions. We also prove that, if alpha is an element of (1,+infinity) = (alpha(2), alpha(1)), then the walk localizes a.s. on 3 sites.

  • Details
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Type
research article
DOI
10.1214/14-Aop991
Web of Science ID

WOS:000372593700003

Author(s)
Kious, Daniel  
Date Issued

2016

Publisher

Inst Mathematical Statistics

Published in
Annals Of Probability
Volume

44

Issue

2

Start page

883

End page

923

Subjects

Stuck walks

•

reinforced random walks

•

localization

•

Rubin

•

time-line construction

•

martingale

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
PRST  
Available on Infoscience
July 19, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/127473
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