4 papers
Maximally Diverse Stable Matchings: Optimizing Arbitrary Institutional Objectives
Gergely Csáji, Zhaohong Sun
Stable matching theory is the foundation of centralized clearinghouses worldwide, from school choice programs to medical residency allocations. However, incorporating complex distr…
Optimal Portfolio Compression for Priority-Proportional Clearing with Defaulting Costs
Gergely Csáji, RareÅ-Ioan Mateiu, Alexandru Popa +1
We study financial networks where banks are connected through bilateral liabilities and may default when resources are insufficient to meet obligations. We consider both the standa…
Core-Stable Kidney Exchange via Altruistic Donors
Gergely Csáji, Thánh Nguyen
Kidney exchange programs among hospitals in the United States and across European countries improve efficiency by pooling donors and patients on a centralized platform. Sustaining…
Smart Lotteries in School Choice: Ex-ante Pareto-Improvement with Ex-post Stability
Haris Aziz, Péter Biró, Gergely Csáji +1
In a typical school choice application, the students have strict preferences over the schools while the schools have coarse priorities over the students based on their distance and…