539 citations
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14 papers · 1 filter
Nonlinear social evolution and the emergence of collective action
Benjamin Allen, Abdur-Rahman Khwaja, James L. Donahue +3
Organisms from microbes to humans engage in a variety of social behaviors, which affect fitness in complex, often nonlinear ways. The question of how these behaviors evolve has con…
The coalescent in finite populations with arbitrary, fixed structure
Benjamin Allen, Alex McAvoy
The coalescent is a stochastic process representing ancestral lineages in a population undergoing neutral genetic drift. Originally defined for a well-mixed population, the coalesc…
Evolution of cooperation with asymmetric social interactions
Qi Su, Joshua. B Plotkin
How cooperation emerges in human societies is both an evolutionary enigma, and a practical problem with tangible implications for societal health. Population structure has long bee…
Social goods dilemmas in heterogeneous societies
Alex McAvoy, Benjamin Allen, Martin A. Nowak
Prosocial behaviors are encountered in the donation game, the prisoner's dilemma, relaxed social dilemmas, and public goods games. Many studies assume that the population structure…
Fixation probabilities in evolutionary dynamics under weak selection
Alex McAvoy, Benjamin Allen
In evolutionary dynamics, a key measure of a mutant trait's success is the probability that it takes over the population given some initial mutant-appearance distribution. This "fi…
Transient amplifiers of selection and reducers of fixation for death-Birth updating on graphs
Benjamin Allen, Christine Sample, Robert Jencks +7
The spatial structure of an evolving population affects which mutations become fixed. Some structures amplify selection, increasing the likelihood that beneficial mutations become…