Romeijn, H.E.

problem period production demand solution train market algorithm subplan number transportation level section function instance period t inventory network retailer capacity value route transportation costs model selection constraint supply station lot-sizing property railway result train t problem instances heuristic chain railway station programming lot-sizing problem supplier market selection management research order approach production capacities cost functions polynomial time polynomial planning 1.00 variable zio property decision supply chain structure point table mechanism programming network paper assignment feasibility problem coordination phase 2 warehouse 0.00 feasibility platform quantity system manufacturer class theorem customer objective function management science timetable transportation cost functions condition