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Better Approximations of High Dimensional Smooth Functions by Deep Neural Networks with Rectified Power Units 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2020, 卷号: 27, 期号: 2, 页码: 379-411
Authors:  Li, Bo;  Tang, Shanshan;  Yu, Haijun
Favorite  |  View/Download:75/0  |  Submit date:2020/05/24
Deep neural network  high dimensional approximation  sparse grids  rectified linear unit  rectified power unit  rectified quadratic unit  
Efficient projected gradient methods for cardinality constrained optimization 期刊论文
SCIENCE CHINA-MATHEMATICS, 2019, 卷号: 62, 期号: 2, 页码: 245-268
Authors:  Xu, Fengmin;  Dai, Yuhong;  Zhao, Zhihu;  Xu, Zongben
Favorite  |  View/Download:104/0  |  Submit date:2019/04/02
sparse approximation  projected gradient method  global convergence  signal recovery  index tracking  
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
Authors:  Li, Qian;  Bai, Yanqin;  Yu, Changjun;  Yuan, Ya-xiang
Favorite  |  View/Download:97/0  |  Submit date:2019/03/05
sparse optimization  non-convex approximation  iterative thresholding algorithm  
On sparse beamformer design with reverberation 期刊论文
APPLIED MATHEMATICAL MODELLING, 2018, 卷号: 58, 页码: 98-110
Authors:  Li, Zhibao;  Yiu, Ma Fai Cedric;  Dai, Yu-Hong
Favorite  |  View/Download:82/0  |  Submit date:2018/07/30
Sparse beamformer design  Reverberation  Nonconvex optimization  Smoothing approximation  Smoothing BB-gradient method  
Robustness properties of dimensionality reduction with Gaussian random matrices 期刊论文
SCIENCE CHINA-MATHEMATICS, 2017, 卷号: 60, 期号: 10, 页码: 1753-1778
Authors:  Han, Bin;  Xu, ZhiQiang
Favorite  |  View/Download:68/0  |  Submit date:2018/07/30
phase retrieval  finite frames  sparse approximation  restricted isometry property  Johnson-Lindenstrauss lemma  
Sample Approximation-Based Deflation Approaches for Chance SINR-Constrained Joint Power and Admission Control 期刊论文
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2016, 卷号: 15, 期号: 7, 页码: 4535-4547
Authors:  Liu, Ya-Feng;  Hong, Mingyi;  Song, Enbin
Favorite  |  View/Download:66/0  |  Submit date:2018/07/30
Chance SINR constraint  group sparse  power and admission control  sample approximation  
Joint Power and Admission Control: Non-Convex L-q Approximation and An Effective Polynomial Time Deflation Approach 期刊论文
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2015, 卷号: 63, 期号: 14, 页码: 3641-3656
Authors:  Liu, Ya-Feng;  Dai, Yu-Hong;  Ma, Shiqian
Favorite  |  View/Download:50/0  |  Submit date:2018/07/30
Admission control  complexity  non-convex approximation  potential reduction algorithm  power control  sparse optimization