On Finding Directed Trees with Many Leaves

Jean Daligault, Stéphan Thomassé. On Finding Directed Trees with Many Leaves. In Jianer Chen, Fedor V. Fomin, editors, Parameterized and Exact Computation, 4th International Workshop, IWPEC 2009, Copenhagen, Denmark, September 10-11, 2009, Revised Selected Papers. Volume 5917 of Lecture Notes in Computer Science, pages 86-97, Springer, 2009. [doi]