Weak convergence of random walks conditioned to stay away

@article{PajorGyulai2010WeakCO,
title={Weak convergence of random walks conditioned to stay away},
author={Zsolt Pajor-Gyulai and D. Sz'asz},
journal={arXiv: Probability},
year={2010}
}
• Published 2010
• Mathematics
• arXiv: Probability
Let $\{X_n\}_{n\in\mathbb{N}}$ be a sequence of i.i.d. random variables in $\mathbb{Z}^d$. Let $S_k=X_1+...+X_k$ and $Y_n(t)$ be the continuous process on $[0,1]$ for which $Y_n(k/n)=S_k/\sqrt{n}$ $k=1,...,n$ and which is linearly interpolated elsewhere. The paper gives a generalization of results of Belkin, \cite{B72} on the weak limit laws of $Y_n(t)$ conditioned to stay away from some small sets. In particular, it is shown that the diffusive limit of the random walk meander on \$\mathbb Z^d… Expand
1 Citations
Energy Transfer and Joint Diffusion
• Physics, Mathematics
• 2010
A paradigm model is suggested for describing the diffusive limit of trajectories of two Lorentz disks moving in a finite horizon periodic configuration of smooth, strictly convex scatterers andExpand

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