This paper presents an improved version of the solution method that won the inventory routing problemtrack of the 12th DIMACS Implementation Challenge. The solution method is a branch-and-cut embeddedmatheuristic where a matheuristic is called every time new primal solution is found in a...

This paper introduces a new problem to the OR community that combines traditional tramp shipping with a vendor managed inventory (VMI) service. Such a service may replace the more traditional contract of affreightment (COA) which for decades has been the standard agreement between a tramp...