On the generalization of the GMS evolutionary model

S Michael, S Volkov

Research output: Contribution to journalArticle (Academic Journal)

Abstract

We study a generalization of the evolution model proposed by Guiol, Machado and Schinazi (2010). In our model, at each moment of time a random number of species is either born or removed from the system; the species to be removed are those with the lower fitnesses, fitnesses being some numbers in $[0,1]$. We show that under some conditions, a set of species approaches (in some sense) a sample from a uniform distribution on $[f,1]$ for some $f\in [0,1)$, and that the total number of species forms a recurrent process in most other cases.
Translated title of the contributionOn the generalization of the GMS evolutionary model
Original languageEnglish
JournalMarkov Processes and Related Fields
Publication statusPublished - 2012

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