activity
20242026
collaborators

6 papers

physics.soc-ph2026

A model of local and global reciprocity

Mari Kawakatsu, Yohsuke Murase, Taylor A. Kessinger +1

We often decide how to treat friends based on observations of their past behavior, whereas actions toward strangers are typically guided by their public reputations. These two kind…

physics.soc-ph2026

Editorial Trajectories in Wikipedia Reflect Underlying Hyperlink Structure

Yeonji Seo, Mi Jin Lee, Seung-Woo Son +2

Wikipedia hyperlinks have primarily been studied as navigational tools for readers, but their role in how information providers move between articles during editing remains less ex…

physics.soc-ph2025

Incomplete Reputation Information and Punishment in Indirect Reciprocity

Heejeong Kim, Yohsuke Murase

Indirect reciprocity promotes cooperation by allowing individuals to help others based on reputation rather than direct reciprocation. Because it relies on accurate reputation info…

q-bio.PE2025

Exact conditions for evolutionary stability in indirect reciprocity under noise

Nikoleta E. Glynatsi, Christian Hilbe, Yohsuke Murase

Indirect reciprocity is a key mechanism for large-scale cooperation. This mechanism captures the insight that in part, people help others to build and maintain a good reputation. T…

physics.soc-ph2024

Indirect reciprocity under opinion synchronization

Yohsuke Murase, Christian Hilbe

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…

physics.soc-ph2024

Costly punishment sustains indirect reciprocity under low defection detectability

Yohsuke Murase

Cooperation is fundamental to human societies, and indirect reciprocity, where individuals cooperate to build a positive reputation for future benefits, plays a key role in promoti…