Extinction and Quasi-Stationarity in the Stochastic Logistic SIS Model
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Beschreibung
This volume presents explicit approximations of the quasi-stationary distribution and of the expected time to extinction from the state one and from quasi-stationarity for the stochastic logistic SIS model. The approximations are derived separately in three different parameter regions, and then combined into a uniform approximation across all three regions. Subsequently, the results are used to derive thresholds as functions of the population size N.
This volume presents explicit approximations of the quasi-stationary distribution and of the expected time to extinction from the state one and from quasi-stationarity for the stochastic logistic SIS model. The approximations are derived separately in three different parameter regions, and then combined into a uniform approximation across all three regions. Subsequently, the results are used to derive thresholds as functions of the population size N.
Includes supplementary material: sn.pub/extras
Autor*in
Ingemar Nåsell
Themen in »Extinction and Quasi-Stationarity in the Stochastic Logistic SIS Model«
60-J28 92-D30 Birth-death processes Extinction time Logistic SIS model Quasi-stationarity Threshold results