Flow-based formulation for the maximum leaf spanning tree problem. - Marcio Felix Reis; Orlando Lee; Fábio Luiz Usberti (Electron. Notes Discret. Math., 2015)

A 3-approximation algorithm for the maximum leaf k-forest problem. - Marcio Felix Reis; Mário César San Felice; Orlando Lee; Fábio Luiz Usberti (Electron. Notes Discret. Math., 2017)