Search
Now showing items 1-10 of 13
Prosperity is Associated with Instability in Dynamical Networks
(Elsevier, 2012)
Social, biological and economic networks grow and decline with occasional fragmentation and re-formation, often explained in terms of external perturbations. We show that these phenomena can be a direct consequence of ...
Via Freedom to Coercion: The Emergence of Costly Punishment
(American Association for the Advancement of Science, 2007)
In human societies, cooperative behavior in joint enterprises is often enforced through institutions that impose sanctions on defectors. Many experiments on so-called public goods games have shown that in the absence of ...
Strategy Abundance in 2×2 Games for Arbitrary Mutation Rates
(Elsevier, 2009)
We study evolutionary game dynamics in a well-mixed populations of finite size, N. A well-mixed population means that any two individuals are equally likely to interact. In particular we consider the average abundances of ...
Direct Reciprocity on Graphs
(Elsevier, 2007)
Direct reciprocity is a mechanism for the evolution of cooperation based on the idea of repeated encounters between the same two individuals. Here we examine direct reciprocity in structured populations, where individuals ...
Stochastic Payoff Evaluation Increases the Temperature of Selection
(Elsevier, 2007)
We study stochastic evolutionary game dynamics in populations of finite size. Moreover, each individual has a randomly distributed number of interactions with other individuals. Therefore, the payoff of two individuals ...
Evolutionary Dynamics in Structured Populations
(The Royal Society, 2010)
Evolutionary dynamics shape the living world around us. At the centre of every evolutionary process is a population of reproducing individuals. The structure of that population affects evolutionary dynamics. The individuals ...
Evolution of Cooperation by Phenotypic Similarity
(National Academy of Sciences, 2009)
The emergence of cooperation in populations of selfish individuals is a fascinating topic that has inspired much work in theoretical biology. Here, we study the evolution of cooperation in a model where individuals are ...
Mutation-Selection Equilibrium in Games with Multiple Strategies
(Elsevier, 2009)
In evolutionary games the fitness of individuals is not constant but depends on the relative abundance of the various strategies in the population. Here we study general games among n strategies in populations of large but ...
The One-Third Law of Evolutionary Dynamics
(Elsevier, 2007)
Evolutionary game dynamics in finite populations provide a new framework for studying selection of traits with frequency-dependent fitness. Recently, a “one-third law” of evolutionary dynamics has been described, which ...
Pairwise Comparison and Selection Temperature in Evolutionary Game Dynamics
(Elsevier, 2007)
Recently, the frequency-dependent Moran process has been introduced in order to describe evolutionary game dynamics in finite populations. Here, an alternative to this process is investigated that is based on pairwise ...