In this theme
Hubs and communities
In most networks, there are elements that have a huge amount of direct connections to others, and these individuals tend to be rather important. They are called super-spreaders or hubs.
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What is neighborhood centrality and what is it good for?•••
June 19 2024, by Daniel Opolot and Michael RoseIn the study of social networks, a key phenomena is the diffusion of information – how it travels from one individual to another across the network of people. An important question is how to identify the nodes with a high potential to spread information widely and deeper in the network.Read article - Update
Structure in social networks•
April 22 2024, by Clara StegehuisTo find the network communities, we need a mathematical equation that describes when a division of the network into communities meets these two criteria.Read article - Article
Jon Snow, Phoebe Buffay, and Michael Scott are in a network, what do they see?•
December 4 2023, by Benoît CorsiniUsing popular TV shows, we can learn about the contrast between local and global properties in a social network.Read article - Article
Centrality measures: who is the most important in a network?••
June 2 2023, by Manish PandeyIn this article, we discuss several ways to quantify the importance of nodes in a network. We will discuss how a simple game can help study this special property, and how it can help us in cases like reducing fake news.Read article - Article
Eigenvalues to the rescue••
October 14 2022, by Nandan MalhotraOn a quiet afternoon, professor Meth is working in her office in Leiden on some tantalizing mathematics problems. Suddenly, someone knocking on her door nervously disrupts the silence.Read article