Author:
Bshouty Daoud,Di Crescenzo Antonio,Martinucci Barbara,Zacks Shelemyahu
Abstract
In this paper we study the distribution of the location, at time t, of a particle moving U time units upwards, V time units downwards, and W time units of no movement (idle). These are repeated cyclically, according to independent alternating renewals. The distributions of U, V, and W are absolutely continuous. The velocities are v = +1 upwards, v = -1 downwards, and v = 0 during idle periods. Let Y
+(t), Y
−(t), and Y
0(t) denote the total time in (0, t) of movements upwards, downwards, and no movements, respectively. The exact distribution of Y
+(t) is derived. We also obtain the probability law of X(t) = Y
+(t) - Y
−(t), which describes the particle's location at time t. Explicit formulae are derived for the cases of exponential distributions with equal rates, with different rates, and with linear rates (leading to damped processes).
Publisher
Cambridge University Press (CUP)
Subject
Statistics, Probability and Uncertainty,General Mathematics,Statistics and Probability
Cited by
3 articles.
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