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math.OC2026
A Reinforcement-learning-based Column Generation Algorithm for Integrated Operating Room Planning and Scheduling
Mahdi Dolatkhah, Hossein Hashemi Doulabi, Walter Rei +1
In this paper, we propose a novel mixed integer programming model to formulate integrated operating room planning and scheduling problems, where several mandatory and elective surg…
math.OC2021★ 5 cited
Problem-Driven Scenario Clustering in Stochastic Optimization
Julien Keutchayan, Janosch Ortmann, Walter Rei
In stochastic optimisation, the large number of scenarios required to faithfully represent the underlying uncertainty is often a barrier to finding efficient numerical solutions. T…