Limit theorems for continuous time random walks with slowly varying waiting times

被引:10
|
作者
Meerschaert, MM [1 ]
Scheffler, HP
机构
[1] Univ Nevada, Dept Math & Stat, Grad Program Hydrol Sci, Reno, NV 89557 USA
[2] Univ Nevada, Dept Phys, Reno, NV 89557 USA
关键词
anomalous diffusion; operator stable law; continuous time random walk; fractional derivative;
D O I
10.1016/j.spl.2004.10.030
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Continuous time random walks incorporate a random waiting time between random jumps. They are used in physics to model particle motion. When the time between particle jumps has a slowly varying probability tall, the resulting plume disperses at a slowly varying rate. The limiting stochastic process is useful for modeling ultraslow diffusion in physics. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:15 / 22
页数:8
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