Nikhil Bansal, Ho-Leung Chan. Weighted flow time does not admit O(1)-competitive algorithms. In Claire Mathieu, editor, Proceedings of the Twentieth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2009, New York, NY, USA, January 4-6, 2009. pages 1238-1244, SIAM, 2009. [doi]
Abstract is missing.