Please join ISE on Wednesday, October 15 at 10:00 AM in CII 3130 for a colloquium featuring Dr. Gustavo Angulo's research on Robust Admission Via Two-Stage Matching under Ranking Uncertainty! 

The Bachillerato Inicia UC program offers a pathway for students from Chilean technical high schools to articulate into undergraduate programs at Pontificia Universidad Católica de Chile. Upon applying, candidates rank up to three preferred programs. However, articulation is determined only after one year, based on their academic ranking within the cohort - a value unknown at the time of admission. The challenge is to select a feasible subset of students to admit, respecting the order of applicant scores, while guaranteeing that, under any realization of final rankings, each admitted student can be matched to one of their declared preferences, respecting program capacities. We formalize this as a two-stage stable matching problem under ranking uncertainty and design an algorithm that characterizes the set of robustly admissible candidates. The model ensures articulation guarantees that are consistent with declared preferences and capacity constraints. We present implementation results from the 2024 and 2025 admission cycles. Joint work with Matías Giddings and Pablo Marshall.

Dr. Gustavo Angulo is an associate professor at the Department of Industrial and Systems Engineering of Pontificia Universidad Católica de Chile. His research interests are in mixed-integer programming and stochastic programming. He received a PhD in Operations Research from the Georgia Institute of Technology in May 2014 under the supervision of Shabbir Ahmed and Santanu Dey. Prior attending Georgia Tech, he received a Mathematical Engineering degree and a Master's degree in Operations Management from Universidad de Chile in 2009. After completing his PhD, he spent one year at the Center for Operations Research and Econometrics (CORE) of Université catholique de Louvain as a postdoctoral fellow in Operations Research.

All are welcome to attend!