The diffusion of trends on social networks.

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• Moez Draief, Imperial College London
• Wednesday 18 February 2009, 16:00-17:00
• MR15, CMS, Wilberforce Road, Cambridge, CB3 0WB.

If you have a question about this talk, please contact Neil Walton.

Models of influence spread have been studied in a number of domains, including the effect of ‘word of mouth’ in the promotion of new products or the diffusion of technologies. A social network can be represented by a graph where the nodes are individuals and the edges indicate a form of social relationship. The flow of influence through a network can be thought of as an increasing process of active nodes: as individuals become aware of new trend, they have the potential to pass them on to their neighbours. We will present a mathematical model of the dynamics of cascading behaviours on general networks and analyse the outcome of such processes.

This talk is part of the Optimization and Incentives Seminar series.

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