Cooperative game theory is a branch of (micro-) economics that studies the behavior of self-
interested agents in strategic settings where binding agreements among agents are …

Bitcoin is an innovative decentralized cryptocurrency whose core security relies on a “proof
of work” procedure, which requires network participants to repeatedly compute hashes on …

1 Her work has been supported in part by an NRW grant for gender-sensitive universities
supporting her as a junior professor for Computational Social Choice and by the project …

Proof of stake (PoS) protocols rely on voting mechanisms to reach consensus on the current
state. If an enhanced majority of staking nodes, also called validators, agree on a proposed …

In many multi-agent settings, participants can form teams to achieve collective outcomes that
may far surpass their individual capabilities. Measuring the relative contributions of agents …

When autonomous agents interact in the same environment, they must often cooperate to
achieve their goals. One way for agents to cooperate effectively is to form a team, make a …

Graph Neural Networks (GNNs) have been a powerful tool for node classification tasks in
complex networks. However, their decision-making processes remain a black-box to users …

Weighted voting is a classic model of cooperation among agents in decision-making
domains. In such games, each player has a weight, and a coalition of players wins the game …

We investigate the issue of manipulability for social ranking rules, where the goal is to rank
individuals given the ranking of coalitions formed by them and each individual prefers to …

Simple games are cooperative games in which the benefit that a coalition may have is
always binary, ie, a coalition may either win or loose. This paper surveys different forms of …