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Tight efficiency lower bounds for strategy-proof mechanisms in two-opposite-facility location game 期刊论文
INFORMATION PROCESSING LETTERS, 2021, 卷号: 168, 页码: 6
作者:  Chen, Xujin;  Hu, Xiaodong;  Tang, Zhongzheng;  Wang, Chenhao
收藏  |  浏览/下载:202/0  |  提交时间:2021/04/26
Facility location game  (Universally) strategy-proof mechanism  Approximation algorithms  Inapproximability  
Finding connected kappa-subgraphs with high density 期刊论文
INFORMATION AND COMPUTATION, 2017, 卷号: 256, 页码: 160-173
作者:  Chen, Xujin;  Hua, Xiaodong;  Wang, Changjun
收藏  |  浏览/下载:139/0  |  提交时间:2018/07/30
Densest kappa-subgraphs  Heaviest kappa-subgraphs  Connectivity  Approximation algorithms  Interval graphs  
Approximation algorithms for pricing with negative network externalities 期刊论文
JOURNAL OF COMBINATORIAL OPTIMIZATION, 2017, 卷号: 33, 期号: 2, 页码: 681-712
作者:  Cao, Zhigang;  Chen, Xujin;  Hu, Xiaodong;  Wang, Changjun
收藏  |  浏览/下载:150/0  |  提交时间:2018/07/30
Pricing  Approximation algorithms  NP-hardness  Social networks  Random networks  Negative externalities