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A new piecewise quadratic approximation approach for L-0 norm minimization problem 期刊论文
SCIENCE CHINA-MATHEMATICS, 2019, 卷号: 62, 期号: 1, 页码: 185-204
作者:  Li, Qian;  Bai, Yanqin;  Yu, Changjun;  Yuan, Ya-xiang
收藏  |  浏览/下载:197/0  |  提交时间:2019/03/05
sparse optimization  non-convex approximation  iterative thresholding algorithm  
Analyzing the general biased data by additive risk model 期刊论文
SCIENCE CHINA-MATHEMATICS, 2017, 卷号: 60, 期号: 4, 页码: 685-700
作者:  Li YanFeng;  Ma HuiJuan;  Wang DeHui;  Zhou Yong
收藏  |  浏览/下载:127/0  |  提交时间:2018/07/30
additive risk model  unified method  length-biased data  case-cohort design  
Sure feature screening for high-dimensional dichotomous classification 期刊论文
SCIENCE CHINA-MATHEMATICS, 2016, 卷号: 59, 期号: 12, 页码: 2527-2542
作者:  Shao Li;  Yu Yuan;  Zhou Yong
收藏  |  浏览/下载:111/0  |  提交时间:2018/07/30
ultra-high dimensional data  dichotomous classification  sure screening property  
Homology roses and the D(2)-problem 期刊论文
SCIENCE CHINA-MATHEMATICS, 2015, 卷号: 58, 期号: 8, 页码: 1753-1770
作者:  Jin XiFeng;  Su Yang;  Yu Li
收藏  |  浏览/下载:108/0  |  提交时间:2018/07/30
homology rose  deficiency  group cohomology  Carlsson conjecture  D(2)-problem  gap  efficiency  Cockcroft property