| Article ID: | iaor200973508 |
| Volume: | 17 |
| Issue: | 2 |
| Start Page Number: | 305 |
| End Page Number: | 319 |
| Publication Date: | Dec 2009 |
| Journal: | TOP |
| Authors: | Guo Yongjiang |
Using a fluid model approach, we obtain a sufficient condition for re-entrant lines with infinite supply of work to be unstable, which generalizes the results for re-entrant line of Dai (1996). We apply the result to two special re-entrant lines with infinite supply of work as follows. In addition, we get necessary conditions for the corresponding fluid model to be weakly stable.