4 papers
Emergence of Reputation-Based Cooperation in LLM Agents
Kazuya Horibe, Kenji Itao, Wataru Toyokawa
Can cooperation among large language model (LLM) agents be evolutionarily stable against free-rider invasion? We study an indirect reciprocity donation game where LLM agents observ…
Anonymous monitoring enables turn-taking and sustainablity in collective resource governance: Multi-player evolutionary dynamical-systems game
Kenji Itao, Kunihiko Kaneko
Sustainable resource use in large societies requires social institutions that specify acceptable behavior and punish violators. Because mutual monitoring becomes prohibitively cost…
Self-organized institutions in evolutionary dynamical-systems game
Kenji Itao, Kunihiko Kaneko
Social institutions are systems of shared norms and rules that regulate people's behaviors, often emerging without external enforcement. They provide criteria to distinguish cooper…
Formation of human kinship structures depending on population size and cultural mutation rate
Kenji Itao, Kunihiko Kaneko
How does social complexity depend on population size and cultural transmission? Kinship structures in traditional societies provide a fundamental illustration, where cultural rules…