Sanjeev Arora, Kevin L. Chang. Approximation Schemes for Degree-Restricted MST and Red-Blue Separation Problem. In Jos C. M. Baeten, Jan Karel Lenstra, Joachim Parrow, Gerhard J. Woeginger, editors, Automata, Languages and Programming, 30th International Colloquium, ICALP 2003, Eindhoven, The Netherlands, June 30 - July 4, 2003. Proceedings. Volume 2719 of Lecture Notes in Computer Science, pages 176-188, Springer, 2003. [doi]
Abstract is missing.