An investigation into the evolution of communication
Adaptive Behavior
Evolved signals: expensive hype vs. conspiratorial whispers
ALIFE Proceedings of the sixth international conference on Artificial life
Slime mould and the transition to multicellularity: the role of the macrocyst stage
ECAL'05 Proceedings of the 8th European conference on Advances in Artificial Life
Punishment leads to cooperative behavior in structured societies
Evolutionary Computation
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It has become increasingly apparent that spatial and other forms of ecological situatedness can introduce radical differences in the evolutionary outcome of models of conflictive social behavior. Cooperative interactions are often found to have an increased viability in spatially situated models. One possible explanation for this phenomenon makes use of kin-selective arguments according to which high relatedness between neighbors stabilizes cooperation. Unfortunately, in some cases the argument does not go beyond the merely verbal. This paper shows that an explanation in terms of kin selection can easily be tested in a computer simulation and that, in the particular case treated here, the result of such verification is negative thus strengthening previous conclusions regarding the relevance of other factors such as discreteness, stochasticity and ecological organization.