Alain Barrat
3 records found
1
Authored
How does the spread of behavior affect consensus-based collective decision-making among animals, humans or swarming robots? In prior research, such propagation of behavior on social networks has been found to exhibit a transition from simple contagion—i.e, based on pairwise in ...
Author Correction
Transition from simple to complex contagion in collective decision-making (Nature Communications, (2022), 13, 1, (1442), 10.1038/s41467-022-28958-6)
The original version of this Article contained an error in the Abstract, which incorrectly read: ‘Here, we show theoretically, and experimentally with a multi-robot system, that such a transition from simple to complex contagion can also bed observed in an archetypal model of ...
The Berners-Lee Hypothesis
Power laws and Group Structure in Flickr
An intriguing hypothesis, first suggested by Tim Berners-Lee, is that the structure of online groups should conform to a power law distribution. We relate this hypothesis to earlier work around the Dunbar Number, which is a supposed limit to the number of social contacts a use ...