We introduce a model for the emergence of innovations, in which cognitive processes are
described as random walks on the network of links among ideas or concepts, and an …

Studies of many complex systems have revealed new collective behaviours that emerge
through the mechanisms of self-organised critical fluctuations. Subject to the external and …

Moving animal groups transmit information through propagating waves or behavioral
cascades, exhibiting characteristics akin to systems near a critical point from statistical …

In online social dynamics, a robust scale invariance appears as a key feature of
collaborative efforts that lead to new social value. The underlying empirical data thus offers a …

On the social media platform TikTok, users are able to engage with each other's content by
using the Duet feature, which allows them to re-share another user's video while also …

Human interactions create social networks forming the backbone of societies. Individuals
adjust their opinions by exchanging information through social interactions. Two recurrent …

Computational Social Science (CSS), aiming at utilizing computational methods to address
social science problems, is a recent emerging and fast-develo** field. The study of CSS is …

The events of the recent SARS-CoV-2 epidemics have shown the importance of social
factors, especially given the large number of asymptomatic cases that effectively spread the …

Hierarchical crowdsourcing networks (HCNs) provide a useful mechanism for social
mobilization. However, spontaneous evolution of the complex resource allocation dynamics …

Innovation is the driving force of human progress. Recent urn models reproduce well the
dynamics through which the discovery of a novelty may trigger further ones, in an expanding …