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math.OC2023
A Novel Mixed-Integer Linear Programming Formulation for Continuous-Time Inventory Routing
Akang Wang, Xiandong Li, Jeffrey E. Arbogast +2
Inventory management, vehicle routing, and delivery scheduling decisions are simultaneously considered in the context of the inventory routing problem. This paper focuses on the co…
math.OC2023
A GNN-Guided Predict-and-Search Framework for Mixed-Integer Linear Programming
Qingyu Han, Linxin Yang, Qian Chen +5
Mixed-integer linear programming (MILP) is widely employed for modeling combinatorial optimization problems. In practice, similar MILP instances with only coefficient variations ar…