Background: This paper addresses a new class of scheduling problems in the context of machines subject to (unrecoverable) interruptions; i.e., when a machine fails, the current and subsequently scheduled work on that machine is lost. Each job has a certain processing time and a reward that is...

HighlightsOrder aggregation and scheduling in a meal delivery problemAlessandro Agnetis, Matteo Cosmi, Gaia Nicosia, Andrea Pacifici• A new model for scheduling single- or dual-order deliveries• A branch and bound algorithm makes use of sophisticated lower bounding schemes• Extensive...

This paper addresses the relationship between lean thinking and mathematical optimization. We discuss the roles of the two approaches, using as a reference case study the appointment scheduling process in a hematological center of a large Italian hospital. We report on how lean tools have been...

This paper addresses the relationship between lean thinking and mathematical optimization. We discuss the roles of the two approaches, using as a reference case study the appointment scheduling process in a hematological center of a large Italian hospital. We report on how lean tools have been...