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The solution space structure of random constraint satisfaction problems with growing domains 期刊论文
JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT, 2015, 页码: 12
作者:  Xu, Wei;  Zhang, Pan;  Liu, Tian;  Gong, Fuzhou
收藏  |  浏览/下载:125/0  |  提交时间:2018/07/30
disordered systems (theory)  phase transformations (theory)  
Inapproximability and a polynomially solvable special case of a network improvement problem 期刊论文
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, 2004, 卷号: 155, 期号: 1, 页码: 251-257
作者:  Zhang, JZ;  Yang, XG;  Cai, MC
收藏  |  浏览/下载:101/0  |  提交时间:2018/07/30
network flows  shortest path  MAXIMUM 3-SATISFIABILITY  inapproximability  
Reverse center location problem 期刊论文
ALGORITHMS AND COMPUTATIONS, 2000, 卷号: 1741, 页码: 279-294
作者:  Zhang, JZ;  Yang, XG;  Cai, MC
收藏  |  浏览/下载:78/0  |  提交时间:2018/07/30
networks and graphs  NP-hard  satisfiability problem  relaxation  maximum cost circulation  
The complexity analysis of the inverse center location problem 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 1999, 卷号: 15, 期号: 2, 页码: 213-218
作者:  Cai, MC;  Yang, XG;  Zhang, JZ
收藏  |  浏览/下载:83/0  |  提交时间:2018/07/30
complexity  location problem  networks and graphs  satisfiability problem