Da-Ke He, Ashish Jagmohan, et al.
ISIT 2007
We characterize the graphs for which a linear relaxation of a facility location problem defines a polytope with all integral extreme points. We use a transformation to a stable set problem in perfect graphs. Based on this transformation, these graphs can be recognized in polynomial time.
Da-Ke He, Ashish Jagmohan, et al.
ISIT 2007
Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering
Ruixiong Tian, Zhe Xiang, et al.
Qinghua Daxue Xuebao/Journal of Tsinghua University
Heng Cao, Haifeng Xi, et al.
WSC 2003