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Phys. Complex."],"published-print":{"date-parts":[[2025,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>This editorial reviews recent progress at the intersection of game theory and artificial intelligence (AI) in tackling complex systems related to human behaviour, as featured in the Focus Issue (\u2018on Game Theory and AI on Complex Systems\u2019) of <jats:italic>J. Phys. Complex<\/jats:italic>. Leveraging game-theoretic frameworks alongside AI-driven analysis, contributions in this issue explore a broad range of challenges, from modelling behavioural dynamics to creating incentives for pro-social behaviour in hybrid human-AI societies. 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