Approximating the Maximum Agreement Forest on k trees. - Frédéric Chataigner (Inf. Process. Lett., 2005)

Approximation and Inapproximability Results on Balanced Connected Partitions of Graphs. - Yoshiko Wakabayashi; Frédéric Chataigner; Liliane Benning Salgado (Discret. Math. Theor. Comput. Sci., 2007)

Approximation algorithms and hardness results for the clique packing problem. - Frédéric Chataigner; Gordana Manic; Yoshiko Wakabayashi; Raphael Yuster (Discret. Appl. Math., 2009)