| Article ID: | iaor19931157 |
| Country: | Netherlands |
| Volume: | 12 |
| Issue: | 4 |
| Start Page Number: | 271 |
| End Page Number: | 274 |
| Publication Date: | Oct 1992 |
| Journal: | Operations Research Letters |
| Authors: | Salowe Jeffrey S. |
| Keywords: | Steiner problem |
The rectilinear Steiner ratio is the worst-case ratio of the length of a rectilinear minimum spanning tree to the length of a rectilinear Steiner minimal tree. Hwang proved that the ratio for point sets in the plane is 
