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On the waiting time to escape

Maria Conceicao Serra (Institutionen för matematiska vetenskaper)
Journal of Applied Probability (00219002). Vol. 43 (2006), 1, p. 296-302.
[Artikel, refereegranskad vetenskaplig]

The mathematical model we consider here is a decomposable Galton-Watson process with individuals of two types, 0 and 1. Individuals of type 0 are supercritical and can only produce individuals of type 0, whereas individuals of type 1 are subcritical and can produce individuals of both types. The aim of this paper is to study the properties of the waiting time to escape, i.e. the time it takes to produce a type-0 individual that escapes extinction when the process starts with a type-1 individual. With a view towards applications, we provide examples of populations in biological and medical contexts that can be suitably modeled by such processes.

Denna post skapades 2009-12-09.
CPL Pubid: 103164


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