| Article ID: | iaor20114443 |
| Volume: | 111 |
| Issue: | 11 |
| Start Page Number: | 538 |
| End Page Number: | 540 |
| Publication Date: | May 2011 |
| Journal: | Information Processing Letters |
| Authors: | Swaminathan Ram, Li Xiaozhou, Rudra Atri |
| Keywords: | colouring, approximation algorithms |
? We propose a new optimization problem called ‘flexible coloring’. ? We give a hardness of approximation result for the problem. ? We propose a simple approximation algorithm for the problem.