Estimates for overshooting an arbitrary boundary by a random walk and their applications
Teoriâ veroâtnostej i ee primeneniâ, Tome 44 (1999) no. 2, pp. 249-277 Cet article a éte moissonné depuis la source Math-Net.Ru

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Estimates are found for the magnitude of overshoot, by a sequence of random variables, over an arbitrary boundary. If the sequence increments satisfy a so-called condition of asymptotic homogeneity and the boundary is asymptotically “smooth” then the occurrence of the weak convergence to a limit shape (as the boundary is sent away) is established for the distribution of the overshoot value. As an application, we obtain a uniform (over the class of distributions) basic renewal theorem and determine the asymptotics of the average time of crossing a curvilinear border by the trajectories of asymptotically homogeneous Markov chains.
Keywords: sequence of random variables, random walk, time and value of the first overshoot, uniform integrability, nonlinear boundary, asymptotic homogeneity.
Mots-clés : Markov chain
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     title = {Estimates for overshooting an arbitrary boundary by a random walk and their applications},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {249--277},
     year = {1999},
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A. A. Borovkov; S. G. Foss. Estimates for overshooting an arbitrary boundary by a random walk and their applications. Teoriâ veroâtnostej i ee primeneniâ, Tome 44 (1999) no. 2, pp. 249-277. http://geodesic.mathdoc.fr/item/TVP_1999_44_2_a1/