Benjamin Grimmer, Kan Qiao. Near linear time 5/3-approximation algorithms for two-level power assignment problems. In Jared Saia, Maxwell Young, editors, 10th ACM International Workshop on Foundations of Mobile Computing, FOMC 2014, Philadelphia, PA, USA, August 11, 2014. pages 29-38, ACM, 2014. [doi]
Abstract is missing.