Indirect reciprocity under opinion synchronization

Y Murase, C Hilbe - Proceedings of the National Academy of Sciences, 2024 - pnas.org
Indirect reciprocity is a key explanation for the exceptional magnitude of cooperation among
humans. This literature suggests that a large proportion of human cooperation is driven by …

Clarifying social norms which have robustness against reputation costs and defector invasion in indirect reciprocity

H Yamamoto, I Okada, T Sasaki, S Uchida - Scientific Reports, 2024 - nature.com
The evolution of cooperation through indirect reciprocity is a pivotal mechanism for
sustaining large-scale societies. Because third parties return cooperative behaviour in …

Making public reputation out of private assessments

Y Mun, QA Le, SK Baek - Journal of the Korean Physical Society, 2024 - Springer
Reputation is not just a simple opinion that an individual has about another, but a social
construct that emerges through communication. Despite the huge importance in …

Indirect reciprocity as a dynamics for weak balance

M Bae, SK Baek - arXiv preprint arXiv:2501.05824, 2025 - arxiv.org
A social network is often divided into many factions. People are friends within each faction,
while they are enemies of the other factions, and even my enemy's enemy is not necessarily …