4 papers
Individual Fairness in Budget Aggregation
Xiaohui Bei, Felix Brandt, Matthias Greger +3
We consider the problem of aggregating individual distributions over alternatives into a collective distribution, also known as budget aggregation. Existing fairness notion…
The Core in Max-Loss Non-Centroid Clustering Can Be Empty
Robert Bredereck, Eva Deltl, Leon Kellerhals +1
We study core stability in non-centroid clustering under the max-loss objective, where each agent's loss is the maximum distance to other members of their cluster. We prove that fo…
Understanding the Impact of Proportionality in Approval-Based Multiwinner Elections
Niclas Boehmer, Lara Glessen, Jannik Peters
Despite extensive theoretical research on proportionality in approval-based multiwinner voting, its impact on which committees and candidates can be selected in practice remains po…
Proportional Clustering, the -Plurality Problem, and Metric Distortion
Leon Kellerhals, Jannik Peters
We show that the proportional clustering problem using the Droop quota for is equivalent to the -plurality problem. We also show that the Plurality Veto rule can be used…