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Defeng Sun

  1. A highly efficient semismooth Newton augmented Lagrangian method for solving Lasso problems
    2016/07/19 by Xudong Li, Li, Xudong, Defeng Sun +3 · 10 citations
    Engineering · Mathematics · #65F10 #90C06 #90C25 #90C31 #FOS: Mathematics #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques #Statistical Methods and Inference
  2. Convex Clustering: Model, Theoretical Guarantee and Efficient Algorithm
    2018/10/04 by Defeng Sun, Kim-Chuan Toh, Sun, Defeng +3 · 4 citations
    Business, Management and Accounting · Engineering · Medicine · #Bone and Joint Diseases #FOS: Computer and information sciences #FOS: Mathematics #Facility Location and Emergency Management #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques
  3. Solving the OSCAR and SLOPE Models Using a Semismooth Newton-Based Augmented Lagrangian Method
    2018/03/28 by Ziyan Luo, Luo, Ziyan, Defeng Sun +6 · 4 citations
    Engineering · Mathematics · #Sparse and Compressive Sensing Techniques #Statistical Methods and Inference #Control Systems and Identification
  4. A Survey on Large Language Model-based Agents for Statistics and Data Science
    2024/12/18 by Maojun Sun, Sun Maojun, Sun, Maojun +12 · 11 citations
    Computer Science · Decision Sciences · #Artificial Intelligence (cs.AI) #Computation and Language (cs.CL) #FOS: Computer and information sciences #Machine Learning (cs.LG) #Other Statistics (stat.OT) #Topic Modeling
  5. QPPAL: A two-phase proximal augmented Lagrangian method for high dimensional convex quadratic programming problems
    2021/03/24 by Ling Liang, Liang, Ling, Xudong Li +5 · 3 citations
    Mathematics · Computer Science · Engineering · #Advanced Optimization Algorithms Research #Optimization and Variational Analysis #Sparse and Compressive Sensing Techniques
  6. Machine Learning Insides OptVerse AI Solver: Design Principles and Applications
    2024/01/11 by Xijun Li, Fangzhou Zhu, Li, Xijun +49 · 4 citations
    Computer Science · Psychology · #Neural Networks and Reservoir Computing #Educational Games and Gamification #Artificial Intelligence in Games
  7. Characterization of the Robust Isolated Calmness for a Class of Conic Programming Problems
    2016/01/27 by Chao Ding, Ding, Chao, Defeng Sun +3 · 1 citation
    Computer Science · Mathematics · Engineering · #Optimization and Variational Analysis #Advanced Optimization Algorithms Research #Optimization and Mathematical Programming
  8. A sparse semismooth Newton based proximal majorization-minimization algorithm for nonconvex square-root-loss regression problems
    2019/03/27 by Peipei Tang, Chengjing Wang, Tang, Peipei +5 · 1 citation
    Computer Science · Engineering · Mathematics · #Advanced Optimization Algorithms Research #Computation (stat.CO) #FOS: Computer and information sciences #FOS: Mathematics #Face and Expression Recognition #Machine Learning (cs.LG) #Machine Learning (stat.ML) #Numerical Analysis (math.NA) #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques
  9. An Inexact Augmented Lagrangian Method for Second-order Cone Programming with Applications
    2020/10/17 by Ling Liang, Defeng Sun, Liang, Ling +3 · 2 citations
    Computer Science · Engineering · Mathematics · #90C06 #90C22 #90C25 #Advanced Optimization Algorithms Research #FOS: Mathematics #Optimization and Control (math.OC) #Optimization and Variational Analysis #Sparse and Compressive Sensing Techniques
  10. A Dimension Reduction Technique for Large-scale Structured Sparse Optimization Problems with Application to Convex Clustering
    2021/08/17 by Yancheng Yuan, Tsung‐Hui Chang, Yuan, Yancheng +5 · 1 citation
    Computer Science · Engineering · #90C06 #90C25 #90C90 #FOS: Mathematics #Machine Learning and ELM #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques #Stochastic Gradient Optimization Techniques
  11. Complexity of normalized stochastic first-order methods with momentum under heavy-tailed noise
    2025/06/12 by Chuanjiang He, He, Chuan, Zhaosong Lu +4 · 7 citations
    Economics, Econometrics and Finance · Mathematics · Computer Science · #Stochastic processes and financial applications #Statistical Methods and Inference #Distributed Sensor Networks and Detection Algorithms
  12. A Fast Globally Linearly Convergent Algorithm for the Computation of\n Wasserstein Barycenters
    2018/09/12 by Jia Li, Yang, Lei, Defeng Sun +5 · 1 citation
    Computer Science · Engineering · #Advanced Image Processing Techniques #FOS: Computer and information sciences #FOS: Mathematics #Fluid Dynamics and Turbulent Flows #Image and Signal Denoising Methods #Machine Learning (stat.ML) #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques
  13. Aubin Property and Strong Regularity Are Equivalent for Nonlinear Second-Order Cone Programming
    2024/06/19 by Liang Chen, Chen, Liang, Ruoning Chen +5 · 2 citations
    Computer Science · Engineering · Mathematics · #90C #90C31 #90C46 #Advanced Control Systems Optimization #Advanced Optimization Algorithms Research #FOS: Mathematics #Optimization and Control (math.OC) #Optimization and Variational Analysis
  14. Characterizations of the Aubin Property of the Solution Mapping for Nonlinear Semidefinite Programming
    2024/08/15 by Chen Liang, Ruoning Chen, Chen, Liang +5 · 2 citations
    Computer Science · Mathematics · Business, Management and Accounting · #Optimization and Variational Analysis #Advanced Optimization Algorithms Research #Supply Chain and Inventory Management
  15. A Rank-Corrected Procedure for Matrix Completion with Fixed Basis Coefficients
    2012/10/13 by Weimin Miao, Shaohua Pan, Miao, Weimin +3 · 1 citation
    Computer Science · Engineering · Mathematics · #Blind Source Separation Techniques #FOS: Computer and information sciences #FOS: Mathematics #Information Theory (cs.IT) #Machine Learning (stat.ML) #Numerical Analysis (math.NA) #Optimization and Control (math.OC) #Sparse and Compressive Sensing Techniques #Statistical and numerical algorithms
  16. Unsupervised Feature Selection via Nonnegative Orthogonal Constrained Regularized Minimization
    2024/03/25 by Yan Li, Defeng Sun, Li, Yan +3 · 1 citation
    Computer Science · #Face and Expression Recognition