稠密 k-子图问题的双非负松弛
郭传好,单而芳
Doubly Nonnegative Relaxation for Densest k-subgraph Problem
GUO Chuan-hao, SHAN Er-fang
运筹与管理 . 2015, (5): 144 -150 .  DOI: 10.12005/orms.2015.0170