Estela Maris Rodrigues
E. M. Rodrigues, M.-F. Sagot and Y. Wakabayashi. Some approximation results for the maximum agreement forest problem. Proceedings of the 4th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX 2001). Lecture Notes in Computer Science 2129: 159-169, 2001. [ ps | pdf ]
E. M. Rodrigues, M.-F. Sagot and Y. Wakabayashi. The maximum agreement forest problem: approximation algorithms and computational experiments. Theoretical Computer Science, 374: 91-110, 2007.