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Ranking tournaments with no errors II: Minimax relation 期刊论文
JOURNAL OF COMBINATORIAL THEORY SERIES B, 2020, 卷号: 142, 页码: 244-275
Authors:  Chen, Xujin;  Ding, Guoli;  Zang, Wenan;  Zhao, Qiulan
Favorite  |  View/Download:100/0  |  Submit date:2020/05/24
Tournament  Feedback arc set  Integrality  Duality  Algorithm  
Ranking tournaments with no errors I: Structural description 期刊论文
JOURNAL OF COMBINATORIAL THEORY SERIES B, 2020, 卷号: 141, 页码: 264-294
Authors:  Chen, Xujin;  Ding, Guoli;  Zang, Wenan;  Zhao, Qiulan
Favorite  |  View/Download:99/0  |  Submit date:2020/05/24
Tournament  Feedback arc set  Cycle packing  Minimax relation  Characterization  
DENSITIES, MATCHINGS, AND FRACTIONAL EDGE-COLORINGS 期刊论文
SIAM JOURNAL ON OPTIMIZATION, 2019, 卷号: 29, 期号: 1, 页码: 240-261
Authors:  Chen, Xujin;  Zang, Wenan;  Zhao, Qiulan
Favorite  |  View/Download:107/0  |  Submit date:2020/01/10
multigraph  density  matching  fractional edge-coloring  algorithm  
A Polyhedral Description of Kernels 期刊论文
MATHEMATICS OF OPERATIONS RESEARCH, 2016, 卷号: 41, 期号: 3, 页码: 969-990
Authors:  Chen, Qin;  Chen, Xujin;  Zang, Wenan
Favorite  |  View/Download:74/0  |  Submit date:2018/07/30
digraph  kernel  polytope  algorithm  complexity  
A Unified Approach to Box-Mengerian Hypergraphs 期刊论文
MATHEMATICS OF OPERATIONS RESEARCH, 2010, 卷号: 35, 期号: 3, 页码: 655-668
Authors:  Chen, Xujin;  Chen, Zhibin;  Zang, Wenan
Favorite  |  View/Download:79/0  |  Submit date:2018/07/30
hypergraph  matroid  box-total dual integrality  packing  covering  
The box-TDI system associated with 2-edge connected spanning subgraphs 期刊论文
DISCRETE APPLIED MATHEMATICS, 2009, 卷号: 157, 期号: 1, 页码: 118-125
Authors:  Chen, Xujin;  Ding, Guoli;  Zang, Wenan
Favorite  |  View/Download:81/0  |  Submit date:2018/07/30
Polyhedron  Box total dual integrality  Graph  Cut  Traveling salesman problem