Defeng Liu Student (postdoctoral), GERAD share Polytechnique Montréal defeng.liu@polymtl.ca Education since Sep 2022 Postdoctoral research Polytechnique Montréal, Andrea Lodi, director Sep 2017 – Aug 2022 Ph.d. Machine Learning Algorithms for Combinatorial Optimization Polytechnique Montréal – Department of Mathematics and Industrial Engineering, Andrea Lodi, co-director Publications Jul 2023 A machine learning framework for neighbor generation in metaheuristic search Defeng Liu, Vincent Perreault, Alain Hertz, and Andrea Lodi Frontiers in Applied Mathematics and Statistics, 9, Paper no: 1128181, 2023 BibTeX reference Jun 2022 Learning to search in Local Branching Defeng Liu, Matteo Fischetti, and Andrea Lodi Proceedings of the AAAI Conference on Artificial Intelligence, 36(4), 3796–3803, 2022 BibTeX reference Sep 2021 Learning chordal extensions Defeng Liu, Andrea Lodi, and Mathieu Tanneau Journal of Global Optimization , 81, 3–22, 2021 BibTeX reference 4 publications Events May 27, 202411:00 AM — 12:00 PM Decision-Based Scenario Clustering - General Bounds for Stochastic Optimization Models DS4DM Coffee Talk Walter Rei – Université du Québec à Montréal Canada Excellence Research Chair in Data Science for Real-Time Decision-Making Hybrid activity at GERAD Apr 19, 202411:00 AM — 12:00 PM Mixed-Integer Programming: 65 years of history and the Artificial Intelligence challenge DS4DM Coffee Talk Andrea Lodi – Andrew H. and Ann R. Tisch Professor, Jacobs Technion-Cornell Institute, Cornell University Canada Excellence Research Chair in Data Science for Real-Time Decision-Making Hybrid activity at GERAD Apr 9, 202411:00 AM — 12:00 PM Fast exact algorithms for some interdiction problems DS4DM Coffee Talk Ricardo Fukasawa – University of Waterloo Canada Excellence Research Chair in Data Science for Real-Time Decision-Making Hybrid activity at GERAD 40 activities
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