| Article ID: | iaor1999123 |
| Country: | Netherlands |
| Volume: | 92 |
| Issue: | 1 |
| Start Page Number: | 211 |
| End Page Number: | 213 |
| Publication Date: | Jul 1996 |
| Journal: | European Journal of Operational Research |
| Authors: | Cheng T.C.E., Ng C.T., Cai Xiaoqiang |
We consider the completion time variance problem. Our main result is a tight lower bound for the mean completion time of an optimal sequence. This result can be applied to reduce the time required to solve the problem.