The Maximum of the Local Time of a Diffusion Process in a Drifted Brownian Potential
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  • 刊名:Lecture Notes in Mathematics
  • 出版年:2016
  • 出版时间:2016
  • 年:2016
  • 卷:2168
  • 期:1
  • 页码:123-177
  • 全文大小:848 KB
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  • 作者单位:Alexis Devulder (16)

    16. Laboratoire de Mathématiques de Versailles, UVSQ, CNRS, Université Paris-Saclay, 78035, Versailles, France
  • 丛书名:Séminaire de Probabilités XLVIII
  • ISBN:978-3-319-44465-9
  • 刊物类别:Mathematics and Statistics
  • 刊物主题:Mathematics
    Probability Theory and Stochastic Processes
    Dynamical Systems and Ergodic Theory
    Mathematical Biology
    Partial Differential Equations
    Functional Analysis
    Abstract Harmonic Analysis
    Group Theory and Generalizations
  • 出版者:Springer Berlin / Heidelberg
  • ISSN:1617-9692
  • 卷排序:2168
文摘
We consider a one-dimensional diffusion process X in a (−κ∕2)-drifted Brownian potential for κ ≠ 0. We are interested in the maximum of its local time, and study its almost sure asymptotic behaviour, which is proved to be different from the behaviour of the maximum local time of the transient random walk in random environment. We also obtain the convergence in law of the maximum local time of X under the annealed law after suitable renormalization when κ ≥ 1. Moreover, we characterize all the upper and lower classes for the hitting times of X, in the sense of Paul Lévy, and provide laws of the iterated logarithm for the diffusion X itself. To this aim, we use annealed technics.

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