Speed function for biased random walks with traps

Volker Betz, Matthias Meiners and Ivana Tomic

Statistics & Probability Letters, 2023, vol. 195, issue C

Abstract: We consider a biased nearest-neighbor random walk on Z which at each step is trapped for some random time with random, site-dependent mean. We derive a simple formula for the speed function in terms of the model parameters.

Keywords: Bouchaud’s trap model; Random walk in random environment; Rate of escape; Speed function (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1016/j.spl.2022.109765

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