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Séminaire du département Automatique du 21/04/2016 à 10h00


Social Networks Analysis: Consensus or Disagreement?

Intervenant : Roberto Tempo, CNR, Politecnico di Torino, Italy

Lieu : B208


Résumé :

The recent years have shown substantial activities towards the study of dynamic social networks analysis, which were opened up by rapid
progresses in complex systems and networks. A closer examination of these systems has revealed some common principles regarding
coordination and self-organization, including consensus protocols for distributed decision making. This discovery attracted the
attention of many research communities to models of social groups evolution, which often exhibit rich and non-trivial dynamics, and
sometime show persistent disagreement or other irregular behaviors.

The number of dynamic models which describe social group dynamics is currently growing. Their properties are not yet deeply investigated from he systems and control-theoretic viewpoint. In particular, some basic questions concerning identification, stability, convergence and resilience still remain unsolved. Furthermore, the usefulness of these models to describe the behavior of large groups in real social networks  is still a widely open issue.

This lecture will address these questions, and also provide connections between dynamic models of social networks and centrality measures in complex networks.

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