Effects of the planarity and heterogeneity of networks on evolutionary two-player games Project supported by the National Natural Science Foundation of China (Grant Nos. 11575072 and 11475074) and the Fundamental Research Funds for the Central Universities (Grant No. lzujbky-2017-172). |
(color online) Cooperation frequency in the URSF after the system reached stable status. The update rules are the (a) Fermi, (b) replicator, and (c) unconditional imitation respectively. |
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