%0 Journal Article %9 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES %A Bacaër, Nicolas %A Ed-Darraz, A. %T On linear birth-and-death processes in a random environment %D 2014 %L fdi:010062258 %G ENG %J Journal of Mathematical Biology %@ 0303-6812 %K Random environment ; Birth-and-death process ; Extinction probability ; Basic reproduction number %M ISI:000337044900004 %N 1 %P 73-90 %R 10.1007/s00285-013-0696-0 %U https://www.documentation.ird.fr/hor/fdi:010062258 %> https://www.documentation.ird.fr/intranet/publi/2014/07/010062258.pdf %V 69 %W Horizon (IRD) %X We study the probability of extinction for single-type and multi-type continuous-time linear birth-and-death processes in a finite Markovian environment. The probability of extinction is equal to 1 almost surely if and only if the basic reproduction number is , the key point being to identify a suitable definition of for such a result to hold. %$ 020