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04/04/2023
Repeated Fair Allocation of Indivisible Items
The problem of fairly allocating a set of indivisible items is a well-kn...
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02/07/2023
Proportionality in Approval-Based Participatory Budgeting
The ability to measure the satisfaction of (groups of) voters is a cruci...
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07/03/2022
How to Sample Approval Elections?
We study the multifaceted question of how to sample approval elections i...
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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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05/16/2022
Effort-Based Fairness for Participatory Budgeting
We introduce a new family of normative principles for fairness in partic...
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12/20/2021
Axiomatic characterizations of consistent approval-based committee choice rules
We prove axiomatic characterizations of several important multiwinner ru...
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12/14/2021
Liquid Democracy with Ranked Delegations
Liquid democracy is a novel paradigm for collective decision-making that...
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04/30/2021
Participatory Budgeting with Donations and Diversity Constraints
Participatory budgeting (PB) is a democratic process where citizens join...
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04/30/2021
Perpetual Voting: The Axiomatic Lens
Perpetual voting was recently introduced as a framework for long-term co...
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02/24/2021
Phragmén's Voting Methods and Justified Representation
In the late 19th century, Swedish mathematician Lars Edvard Phragmén pro...
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07/03/2020
Approval-Based Committee Voting: Axioms, Algorithms, and Applications
Approval-based committee (ABC) rules are voting rules that output a fixe...
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05/14/2020
Approval-Based Shortlisting
Shortlisting is the task of reducing a long list of alternatives to a (s...
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07/08/2019
A Mathematical Analysis of an Election System Proposed by Gottlob Frege
We provide a mathematical analysis of an election system proposed by the...
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07/01/2019
Incomplete Preferences in Single-Peaked Electorates
Incomplete preferences are likely to arise in real-world preference aggr...
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02/22/2018
On Rational Delegations in Liquid Democracy
Liquid democracy is a proxy voting method where proxies are delegable. W...
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01/04/2018
A Quantitative Analysis of Multi-Winner Rules
To choose a multi-winner rule, i.e., a voting rule that selects a subset...
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11/17/2017
Multiwinner Elections with Diversity Constraints
We develop a model of multiwinner elections that combines performance-ba...
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04/08/2017
Consistent Approval-Based Multi-Winner Rules
This paper is an axiomatic study of consistent approval-based multi-winn...
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12/05/2016