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Table 3 Number of reciprocal agents

From: Effect of direct reciprocity and network structure on continuing prosperity of social networking services

Network type \(r^a\) \(r^m\) \(r^o\)
Complete graph (RRG)* 1.46 0.61 0.85
Complete graph RRG (0.8, 0.1) 4.65 3.66 0.99
Complete graph RRG (1, 0.1) 17.53 17.48 0.05
WS network (\(p=0.01\), RRG) 3.70 1.41 2.29
WS network (\(p=0.5\), RRG)* 0.34 0.07 0.27
CNN (\(u=0.9\), RRG)* 0.72 0.23 0.49
BA (\(m=10\), RRG)* 0.92 0.35 0.57
Facebook network (RRG) 4.30 1.55 2.75