| Article ID: | iaor20102954 |
| Volume: | 37 |
| Issue: | 3 |
| Start Page Number: | 181 |
| End Page Number: | 186 |
| Publication Date: | May 2009 |
| Journal: | Operations Research Letters |
| Authors: | Ye Yinyu, Han Qiaoming, Punnen Abraham P |
| Keywords: | vertex cover |
An approximation algorithm for the vertex cover problem is proposed with performance ratio 3/2 on special graphs. On an arbitrary graph, the algorithm guarantees a vertex cover 