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cs.GT2026
Proportional Representation in Rank Aggregation
Patrick Lederer
In rank aggregation, the task is to aggregate multiple weighted input rankings into a single output ranking. While numerous methods, so-called social welfare functions (SWFs), have…
cs.GT2026
Approximate Strategyproofness in Approval-based Budget Division
Haris Aziz, Patrick Lederer, Jeremy Vollen
In approval-based budget division, the task is to allocate a divisible resource to the candidates based on the voters' approval preferences over the candidates. For this setting, B…
cs.GT2026
The Impossibility of Strategyproof Rank Aggregation
Manuel Eberl, Patrick Lederer
In rank aggregation, the goal is to combine multiple input rankings into a single output ranking. In this paper, we analyze rank aggregation methods, so-called social welfare funct…