Coevolution of teaching activity promotes cooperation

Details Coevolution of teaching activity promotes cooperation Coevolution of teaching activity promotes cooperation

2008-03-28

arxiv.org/abs/0803.4091v1

New J. Phys. 10 (2008) 043036

Physics

Physics and Society

10 pages, 4 figures; accepted for publication in New Journal of Physics

Scientific paper

10.1088/1367-2630/10/4/043036

Evolutionary games are studied where the teaching activity of players can evolve in time. Initially all players following either the cooperative or defecting strategy are distributed on a square lattice. The rate of strategy adoption is determined by the payoff difference and a teaching activity characterizing the donor's capability to enforce its strategy on the opponent. Each successful strategy adoption process is accompanied with an increase in the donor's teaching activity. By applying an optimum value of the increment this simple mechanism spontaneously creates relevant inhomogeneities in the teaching activities that support the maintenance of cooperation for both the prisoner's dilemma and the snowdrift game.

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