Recommender systems typically suggest to users content similar to what they consumed in
the past. If a user happens to be exposed to strongly polarized content, she might …

In multi-alternative elections, messages in support of or against alternatives spread across
online social media. To make decisions, individuals integrate various sources of information …

Networked public goods games model scenarios in which self-interested agents decide
whether or how much to invest in an action that benefits not only themselves, but also their …

Majority illusion occurs in a social network when the majority of the network vertices belong
to a certain type but the majority of each vertex's neighbours belong to a different type …

Many collective decision-making settings feature a strategic tension between agents acting
out of individual self-interest and promoting a common good. These include wearing face …

The competition on social networks has attracted widespread attention in recent years.
Despite the great progress in this domain, acquiring more votes for competitors with fewer …

The integrity of elections is central to democratic systems. However, a myriad of malicious
actors aspire to influence election outcomes for financial or political benefit. A common …

Tournament solutions are frequently used to select winners from a set of alternatives based
on pairwise comparisons between them. Prior work has shown that several common …

We focus on the election manipulation problem through social influence, where a
manipulator exploits a social network to make her most preferred candidate win an election …

Let G be a graph, which represents a social network, and suppose each node v has a
threshold value τ (v). Consider an initial configuration, where each node is either positive or …