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Quasistationary distributions for autocatalytic reactions
Authors:R. W. Parsons  P. K. Pollett
Affiliation:(1) Clinical Epidemiology Unit, Queen Elizabeth II Medical Centre, 6009 Nedlands, Western Australia;(2) School of Mathematical and Physical Sciences, Murdoch University, 6150 Murdoch, Western Australia
Abstract:We provide simple conditions for the existence of quasistationary distributions that can be used to describe the long-term behaviour ofopen autocatalytic reaction systems. We illustrate with reference to a particular example that the quasistationary distribution is close to the usual stationary diffusion approximation.
Keywords:Stochastic processes  quasistationary distributions  chemical kinetics  diffusion approximation
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