The propagations of diseases, behaviors and information in real systems are rarely
independent of each other, but they are coevolving with strong interactions. To uncover the …

Since the publication of “Complex Contagions and the Weakness of Long Ties” in 2007,
complex contagions have been studied across an enormous variety of social domains. In …

Traditionally, much of the study of networks has focused on structural features. Indeed,
mathematical subjects such as graph theory have a rich history of investigating network …

The global financial system can be represented as a large complex network in which banks,
hedge funds and other financial institutions are interconnected to each other through visible …

This slim volume logs the development of a cascade of contagious ideas that has occupied
my space, time and mind in recent years. There was a clear triggering event that occurred in …

We study the effects of negative links for the innovation diffusion process. To do so we
employ an agent-based simulation model of a threshold diffusion process. Our results reveal …

Adoption of innovations, products or online services is commonly interpreted as a spreading
process driven to large extent by social influence and conditioned by the needs and …

The spread of opinions, memes, diseases, and “alternative facts” in a population depends
both on the details of the spreading process and on the structure of the social and …

The seniority of debt, which determines the order in which a bankrupt institution repays its
debts, is an important and sometimes contentious feature of financial crises, yet its impact on …

Weighted networks capture the structure of complex systems where interaction strength is
meaningful. This information is essential to a large number of processes, such as threshold …