Leslie Ann Goldberg, Klaus Jansen, R. Ravi, José D. P. Rolim (Eds.):
Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques - 14th International Workshop, APPROX 2011, and 15th International Workshop, RANDOM 2011, Princeton, NJ, USA, August 17-19, 2011. Proceedings.
Lecture Notes in Computer Science 6845 Springer 2011, ISBN 978-3-642-22934-3
Parinya Chalermsook: Coloring and Maximum Independent Set of Rectangles.
123-134
Maurice Cheung, David B. Shmoys: A Primal-Dual Approximation Algorithm for Min-Sum Single-Machine Scheduling Problems.
135-146
Nachshon Cohen, Zeev Nutov: A (1 + ln 2)-Approximation Algorithm for Minimum-Cost 2-Edge-Connectivity Augmentation of Trees with Constant Radius.
147-157
Feodor F. Dragan, Ekkehard Köhler: An Approximation Algorithm for the Tree t-Spanner Problem on Unweighted Graphs via Generalized Chordal Graphs.
171-183