68 citations · 82 across the 8 of their papers we have counts for
8 papers
On the Fragility of Majority Illusions
Maaike Venema-Los, Zoé Christoff, Serte Donderwinkel +1
A majority illusion in a social network occurs when the majority of neighbors of an agent has a certain opinion while the majority of agents in the network has another opinion. We…
Limited Voting for Better Representation?
Maaike Venema-Los, Zoé Christoff, Davide Grossi
Limited Voting (LV) is an approval-based method for multi-winner elections where all ballots are required to have a same fixed size. While it appears to be used as voting method in…
Comparing Social Network Dynamic Operators
Edoardo Baccini, Zoé Christoff
Numerous logics have been developed to reason either about threshold-induced opinion diffusion in a network, or about similarity-driven network structure evolution, or about both.…
On the Graph Theory of Majority Illusions: Theoretical Results and Computational Experiments
Maaike Los, Zoé Christoff, Davide Grossi
The popularity of an opinion in one's direct circles is not necessarily a good indicator of its popularity in one's entire community. Network structures make local information abou…
Proportional Budget Allocations: Towards a Systematization
Maaike Los, Zoé Christoff, Davide Grossi
We contribute to the programme of lifting proportionality axioms from the multi-winner voting setting to participatory budgeting. We define novel proportionality axioms for partici…
Revisiting Epistemic Logic with Names
Marta Bílková, Zoé Christoff, Olivier Roy
This paper revisits the multi-agent epistemic logic presented in [10], where agents and sets of agents are replaced by abstract, intensional "names". We make three contributions. F…
Binary Voting with Delegable Proxy: An Analysis of Liquid Democracy
Zoé Christoff, Davide Grossi
The paper provides an analysis of the voting method known as delegable proxy voting, or liquid democracy. The analysis first positions liquid democracy within the theory of binary…
Liquid Democracy: An Analysis in Binary Aggregation and Diffusion
Zoé Christoff, Davide Grossi
The paper proposes an analysis of liquid democracy (or, delegable proxy voting) from the perspective of binary aggregation and of binary diffusion models. We show how liquid democr…