| Article ID: | iaor20073136 |
| Country: | Netherlands |
| Volume: | 34 |
| Issue: | 6 |
| Start Page Number: | 613 |
| End Page Number: | 620 |
| Publication Date: | Nov 2006 |
| Journal: | Operations Research Letters |
| Authors: | Baki Mohammed Fazle |
We present a new method of identifying a class of asymmetric matrices for which an optimal traveling salesman tour exists that is pyramidal. The new class generalizes two previously known classes of matrices and includes some new matrices as well.