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A class of smooth exact penalty function methods for optimization problems with orthogonality constraints 期刊论文
OPTIMIZATION METHODS & SOFTWARE, 2020, 页码: 37
作者:  Xiao, Nachuan;  Liu, Xin;  Yuan, Ya-xiang
收藏  |  浏览/下载:158/0  |  提交时间:2021/01/14
Orthogonality constraint  Stiefel manifold  augmented Lagrangian method  
An Efficient Orthonormalization-Free Approach for Sparse Dictionary Learning and Dual Principal Component Pursuit 期刊论文
SENSORS, 2020, 卷号: 20, 期号: 11, 页码: 25
作者:  Hu, Xiaoyin;  Liu, Xin
收藏  |  浏览/下载:160/0  |  提交时间:2020/09/23
dual principal component pursuit  orthogonality constraint  sparse dictionary learning  stiefel manifold  
Fast algorithms for sparse portfolio selection considering industries and investment styles 期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2020, 页码: 27
作者:  Dong, Zhi-Long;  Xu, Fengmin;  Dai, Yu-Hong
收藏  |  浏览/下载:139/0  |  提交时间:2020/06/30
Portfolio selection  Industry classification  Style investment  ADMM  Sparse optimization  
Smoothing quadratic regularization method for hemivariational inequalities 期刊论文
OPTIMIZATION, 2020, 页码: 24
作者:  Zhang, Yanfang;  Dai, Yu-Hong;  Han, Weimin;  Li, Zhibao
收藏  |  浏览/下载:158/0  |  提交时间:2020/05/24
Hemivariational inequality  contact mechanics  nonmonotone  nonsmooth optimization problem  smoothing quadratic regularization