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Evolutionary branching in a stochastic population model with distinct mutational steps
Evolutionary branching genetic drift selection adaptation
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2012/5/2
Evolutionary branching is analysed in a stochastic, individual-based population model under mutation and selection. In such models, the common assumption is that individual reproduction and life caree...
Epidemics on a stochastic model of temporal network
Epidemics stochastic model of temporal network Populations and Evolution
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2012/5/2
Contacts between individuals serve as pathways where infections may propagate. These contact patterns can be represented by network structures. Static structures have been the common modeling paradigm...
Robustness Against Extinction by Stochastic Sex Determination in Small Populations
Robustness Against Extinction Stochastic Sex Determination Small Populations Populations and Evolution
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2012/5/2
Sexually reproducing populations with small number of individuals may go extinct by stochastic fluctuations in sex determination, causing all their members to become male or female in a generation. In...
The mechanics of stochastic slowdown in evolutionary games
mechanics of stochastic slowdown evolutionary games Populations and Evolution
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2012/5/2
We study the stochastic dynamics of evolutionary games, and focus on the so-called `stochastic slowdown' effect, previously observed in (Altrock et. al, 2010) for simple evolutionary dynamics. Slowdow...
Stochastic delocalization of finite populations
Stochastic delocalization finite populations Populations and Evolution
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2012/4/28
Heterogeneities in environmental conditions often induce corresponding heterogeneities in the distribution of species. In the extreme case of a localized patch of increased growth rates, reproducing p...