Willem-Jan van Hoeve

Outer Approximation for Integer Nonlinear Programs via Decision Diagrams

  • Danial Davarnia
  • Willem-Jan van Hoeve
    • Categories (Mixed) Integer Nonlinear Programming, Cutting Plane Approaches, Dynamic Programming Tags , , , ,

    As an alternative to traditional integer programming (IP), decision diagrams (DDs) provide a new solution technology for discrete problems based on their combinatorial structure and dynamic programming representation. While the literature mainly focuses on the competitive aspects of DDs as a stand-alone solver, we investigate their complementary role by studying IP techniques that can be … Read more

    Constraint Programming for LNG Ship Scheduling and Inventory Management

  • Kevin C Furman
  • Willem-Jan van Hoeve
  • Vikas Goel
  • Yufen Shao
  • Marla Slusky
    • Categories Production and Logistics, Supply Chain Management, Transportation Tags , ,

    We propose a constraint programming approach for the optimization of inventory routing in the liquefied natural gas industry. We present two constraint programming models that rely on a disjunctive scheduling representation of the problem. We also propose an iterative search heuristic to generate good feasible solutions for these models. Computational results on a set of … Read more