Thomas L. Magnanti, Dan Stratila. Separable Concave Optimization Approximately Equals Piecewise Linear Optimization. In George L. Nemhauser, Daniel Bienstock, editors, Integer Programming and Combinatorial Optimization, 10th International IPCO Conference, New York, NY, USA, June 7-11, 2004, Proceedings. Volume 3064 of Lecture Notes in Computer Science, pages 234-243, Springer, 2004. [doi]
Abstract is missing.