Zeev Nutov. Approximating Minimum Power Covers of Intersecting Families and Directed Connectivity Problems. In Josep Díaz, Klaus Jansen, José D. P. Rolim, Uri Zwick, editors, Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques, 9th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2006 and 10th International Workshop on Randomization and Compu. Volume 4110 of Lecture Notes in Computer Science, pages 236-247, Springer, 2006. [doi]
Abstract is missing.