Abstract: We shall be concerned with the problem of determining the quasistationary distributions of an absorbing continuous-time Markov chain directly from the transition-rate matrix Q. We shall present conditions which ensure that any finite \mu-invariant probability measure for Q is a quasistationary distribution. Our results will be illustrated with reference to birth and death processes.
AMS 1991 Subject Classification: 60J27.
Keywords: Markov chains; invariant measures.
Acknowledgement: This worked was funded by the Australian Research Council.
The authors:
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Last modified: 26th December 1995