DBLS-SP: A Dynamic Balanced Local Search with Solution Pool for the Vehicle Routing Problem with Simultaneous Pickup and Delivery and Time Windows
This paper studies the Vehicle Routing Problem with Simultaneous Pickup and Delivery and Time Windows (VRPSPDTW). The problem arises from reverse logistics, last-mile distribution, and circular logistics, where vehicles must serve delivery and pickup demands while respecting vehicle capacity and customer time-window co...