3 papers
cs.GT2026
Ordinal Lindahl Equilibrium for Voting
Haoyu Song, Thanh Nguyen
The core is a central concept in multi-winner social choice, ensuring that no coalition of voters can support an alternative outcome whose size or cost exceeds the group's share of…
cs.GT2026
Matching with Committee Preferences
Haoyu Song, Thanh Nguyen, Young-san Lin
We study a many-to-one matching model inspired by school choice, where schools evaluate applicants using multiple rankings rather than a single priority order. We model each school…
cs.GT2025
A few good choices
Thanh Nguyen, Haoyu Song, Young-San Lin
A Condorcet winning set addresses the Condorcet paradox by selecting a few candidates--rather than a single winner--such that no unselected alternative is preferred to all of them…