Extensive cooperation among unrelated individuals is unique to humans, who often sacrifice
personal benefits for the common good and work together to achieve what they are unable …

Game theory is one of the key paradigms behind many scientific disciplines from biology to
behavioral sciences to economics. In its evolutionary form and especially when the …

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The efficiency of institutionalized punishment is studied by evaluating the stationary states in
the spatial public goods game comprising unconditional defectors, cooperators, and …

Evolutionary game theory is designed to capture the essentials of the characteristic
interactions among individuals. Its most prominent application is the quest for the origins and …

Spatially extended population dynamics models that incorporate demographic noise serve
as case studies for the crucial role of fluctuations and correlations in biological systems …

Using several variants of a stochastic spatial model introduced by Silvertownet al., we
investigate the effect of spatial distribution of individuals on the outcome of competition. First …

In the children's game of rock–scissors–paper, players each choose one of three strategies.
A rock beats a pair of scissors, scissors beat a sheet of paper and paper beats a rock, so the …

In the models we will consider, space is represented by a grid of sites that can be in one of a
finite number of states and that change at rates that depend on the states of a finite number …

Direct reciprocity is a powerful mechanism for the evolution of cooperation based on
repeated interactions between the same individuals. But high levels of cooperation evolve …