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Author

Fredrik Jansson

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2 papers indexed here

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Preprint Sep 2026

Cultural, Structural, and Mediated Routes to Polarization in a Nonlinear Mean-Field Model

Collective polarization can arise through mechanisms acting at different stages of social communication, but similar polarized outcomes need not imply dynamically equivalent processes. We introduce a nonlinear two-group mean-field model that distinguishes three routes to polarization: individual content filtering, asso...

Jérôme Michaud, Fredrik Jansson · 0 citations
Nov 2025

Social tinkering: The social foundations of cultural complexity

Short Abstract How has human culture become so complex? We argue that a key process is social tinkering: the gradual accumulation of ad hoc innovations to the social rules that coordinate behavior in response to immediate challenges. Momentary innovations provide precedents that can be reused, entrenched, adapted, and...

Anna Jon-And, Fredrik Jansson, Jérôme Michaud et al. · 2 citations

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