| Article ID: | iaor20083058 |
| Country: | Netherlands |
| Volume: | 35 |
| Issue: | 5 |
| Start Page Number: | 685 |
| End Page Number: | 692 |
| Publication Date: | Sep 2007 |
| Journal: | Operations Research Letters |
| Authors: | Steiner George, Kolliopoulos Stavros G. |
We study the approximability of minimum total weighted tardiness with a modified objective which includes an additive constant. This ensures the existence of a positive lower bound for the minimum value. Moreover the new objective has a natural interpretation in just-in-time production systems.