43 citations · 71 across the 2 of their papers we have counts for
3 papers
physics.soc-ph2013★ 28 cited
Complex dynamics of a nonlinear voter model with contrarian agents
Shoma Tanabe, Naoki Masuda
We investigate mean-field dynamics of a nonlinear opinion formation model with congregator and contrarian agents. Each agent assumes one of the two possible states. Congregators im…
q-bio.PE2012★ 43 cited
Indirect reciprocity with trinary reputations
Shoma Tanabe, Hideyuki Suzuki, Naoki Masuda
Indirect reciprocity is a reputation-based mechanism for cooperation in social dilemma situations when individuals do not repeatedly meet. The conditions under which cooperation ba…
q-bio.PE2011
Evolution of cooperation facilitated by reinforcement learning with adaptive aspiration levels
Shoma Tanabe, Naoki Masuda
Repeated interaction between individuals is the main mechanism for maintaining cooperation in social dilemma situations. Variants of tit-for-tat (repeating the previous action of t…