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<p>Many social interactions are group-based, yet their role in social polarization remains largely unexplored. To bridge this gap here we introduce a higher-order framework that takes into account both group interactions and homophily. We find that group interactions can strongly enhance polarization in sparse systems by limiting agents’ exposure to dissenting views. Conversely, they can suppress polarization in fully connected societies, an effect that intensifies as the group size increases. Our results highlight that polarization depends not only on the homophily strength but also on the structure and microscopic arrangement of group interactions.</p>

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Social polarization promoted by sparse higher-order interactions

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月17日

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  • Hugo Pérez-Martínez,
  • Santiago Lamata-Otín,
  • Federico Malizia,
  • Luis Mario Floría,
  • Jesús Gómez-Gardeñes,
  • David Soriano-Paños

摘要

Many social interactions are group-based, yet their role in social polarization remains largely unexplored. To bridge this gap here we introduce a higher-order framework that takes into account both group interactions and homophily. We find that group interactions can strongly enhance polarization in sparse systems by limiting agents’ exposure to dissenting views. Conversely, they can suppress polarization in fully connected societies, an effect that intensifies as the group size increases. Our results highlight that polarization depends not only on the homophily strength but also on the structure and microscopic arrangement of group interactions.