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A simple random walk on parallel axes moving at different rates
Published online by Cambridge University Press: 14 July 2016
Abstract
Prompted by a rivulet model for the flow of liquid through packed columns we consider a simple random walk on parallel axes moving at different rates. A particle may make one of three transitions at each time instant: to the right or to the left on the axis it was on at the previous time instant, or across to the other axis. Results are obtained for the unrestricted walk, and for the walk with absorbing, or reflecting, end-points.
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- Copyright © Applied Probability Trust 1975
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