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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
作者:  Chen, Xujin;  Ding, Guoli;  Zang, Wenan;  Zhao, Qiulan
收藏  |  浏览/下载:149/0  |  提交时间:2020/05/24
Tournament  Feedback arc set  Integrality  Duality  Algorithm  
Duality of graph invariants 期刊论文
SCIENCE CHINA-MATHEMATICS, 2020, 页码: 14
作者:  Bu, Kaifeng;  Gu, Weichen;  Jaffe, Arthur
收藏  |  浏览/下载:124/0  |  提交时间:2020/05/24
duality  graph invariants  quantum non-locality  
Chebyshev center of the intersection of balls: complexity, relaxation and approximation 期刊论文
MATHEMATICAL PROGRAMMING, 2020, 页码: 29
作者:  Xia, Yong;  Yang, Meijia;  Wang, Shu
收藏  |  浏览/下载:150/0  |  提交时间:2020/05/24
Chebyshev center  Minimax  Nonconvex quadratic optimization  Semidefinite programming  Strong duality  Linear programming  Approximation  Complexity