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Christopher Jerrett

3 accepted papers

2025

Metric Distortion of Line-up Elections: The Right Person for the Right Job

AAAI 2025technical

We provide mechanisms and new metric distortion bounds for line-up elections. In such elections, a set of n voters, k candidates, and ell positions are all located in a metric space. The goal is to choose a set of candidates and assign them to different positions, so as to minimize the total cost of…

Cited by 0Source ↗PDF ↗Scholar ↗
2024

Improved Metric Distortion via Threshold Approvals

AAAI 2024technical

We consider a social choice setting in which agents and alternatives are represented by points in a metric space, and the cost of an agent for an alternative is the distance between the corresponding points in the space. The goal is to choose a single alternative to (approximately) minimize the soci…

Cited by 7Source ↗PDF ↗Scholar ↗
2023

Optimizing Multiple Simultaneous Objectives for Voting and Facility Location

AAAI 2023technical

We study the classic facility location setting, where we are given n clients and m possible facility locations in some arbitrary metric space, and want to choose a location to build a facility. The exact same setting also arises in spatial social choice, where voters are the clients and the goal is…

Cited by 4Source ↗PDF ↗Scholar ↗