Sysi-Aho, M.; Saramäki, J.; Kertész, J.; Kaski, K. - In: The European Physical Journal B - Condensed Matter and … 44 (2005) 1, pp. 129-135
We have studied a spatially extended snowdrift game, in which the players are located on the sites of two-dimensional square lattices and repeatedly have to choose one of the two strategies, either cooperation (C) or defection (D). A player interacts with its nearest neighbors only, and aims at...