Branch—and—Price，一种广义分枝定界或分枝定界的扩展算法，它允许列生成过程应用于整个分枝定界树-The philosophy of branch-and-price is similar to that of branch-and-cut except that the procedure focuses on col- umn generation rather than row generation.

In this paper, we study the split delivery vehicle routing problem with time windows (SDVRPTW) that is a variant of the well-known vehicle routing problem with time windows (VRPTW), where each customer can be served by more than one vehicle. We propo