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06/26/2023
Proportional Aggregation of Preferences for Sequential Decision Making
We study the problem of fair sequential decision making given voter pref...
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05/18/2023
Participatory Budgeting: Data, Tools, and Analysis
We provide a library of participatory budgeting data (Pabulib) and open ...
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09/19/2022
Rank Aggregation Using Scoring Rules
To aggregate rankings into a social ranking, one can use scoring systems...
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05/31/2022
Optimized Distortion and Proportional Fairness in Voting
A voting rule decides on a probability distribution over a set of m alte...
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05/18/2022
Preference Restrictions in Computational Social Choice: A Survey
Social choice becomes easier on restricted preference domains such as si...
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02/22/2022
In This Apportionment Lottery, the House Always Wins
Apportionment is the problem of distributing h indivisible seats across ...
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10/21/2021
How to Fairly Allocate Easy and Difficult Chores
A major open question in fair allocation of indivisible items is whether...
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04/17/2021
Proportionality and Strategyproofness in Multiwinner Elections
Multiwinner voting rules can be used to select a fixed-size committee fr...
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02/11/2021
District-Fair Participatory Budgeting
Participatory budgeting is a method used by city governments to select p...
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08/30/2020
Proportional Participatory Budgeting with Cardinal Utilities
We study voting rules for participatory budgeting, where a group of vote...
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07/13/2020
Preferences Single-Peaked on a Tree: Multiwinner Elections and Structural Results
A preference profile is single-peaked on a tree if the candidate set can...
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05/16/2020
Funding Public Projects: A Case for the Nash Product Rule
We study a mechanism design problem where a community of agents wishes t...
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11/26/2019
Proportionality and the Limits of Welfarism
We study two influential voting rules proposed in the 1890s by Phragmén ...
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11/19/2019
Approval-Based Apportionment
In the apportionment problem, a fixed number of seats must be distribute...
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05/01/2019
Truthful Aggregation of Budget Proposals
We consider a participatory budgeting problem in which each voter submit...
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11/12/2018
Pareto-Optimal Allocation of Indivisible Goods with Connectivity Constraints
We study the problem of allocating indivisible items to agents with addi...
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08/28/2018
Almost Envy-Free Allocations with Connected Bundles
We study the existence of allocations of indivisible goods that are envy...
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12/07/2017
Group Activity Selection on Social Networks
We propose a new variant of the group activity selection problem (GASP),...
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07/27/2017
Condorcet's Principle and the Preference Reversal Paradox
We prove that every Condorcet-consistent voting rule can be manipulated ...
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12/05/2016