120 citations · 1.1k across the 79 of their papers we have counts for
79 papers
Grouping promotes both partnership and rivalry with long memory in direct reciprocity
Yohsuke Murase, Seung Ki Baek
Biological and social scientists have long been interested in understanding how to reconcile individual and collective interests in iterated Prisoner's Dilemma. Many effective stra…
Symmetric Nash equilibrium of political polarization in a two-party system
Jonghoon Kim, Hyeong-Chai Jeong, Seung Ki Baek
The median-voter hypothesis (MVH) predicts convergence of two party platforms across a one-dimensional political spectrum during majoritarian elections. From the viewpoint of the M…
Evolution of direct reciprocity in group-structured populations
Yohsuke Murase, Christian Hilbe, Seung Ki Baek
People tend to have their social interactions with members of their own community. Such group-structured interactions can have a profound impact on the behaviors that evolve. Group…
Correlation between concurrence and mutual information
Yong Kwon, Seung Ki Baek, Jaegon Um
We investigate a two-qubit system to understand the relationship between concurrence and mutual information, where the former determines the amount of quantum entanglement, whereas…
A second-order stability analysis for the continuous model of indirect reciprocity
Sanghun Lee, Yohsuke Murase, Seung Ki Baek
Reputation is one of key mechanisms to maintain human cooperation, but its analysis gets complicated if we consider the possibility that reputation does not reach consensus because…
Social norms in indirect reciprocity with ternary reputations
Yohsuke Murase, Minjae Kim, Seung Ki Baek
Indirect reciprocity is a key mechanism that promotes cooperation in social dilemmas by means of reputation. Although it has been a common practice to represent reputations by bina…