Xiaojun Chen

ORCID

Publication Activity (10 Years)

Years Active: 1992-2023
Publications (10 Years): 34

Top Venues

Publications

Hailin Sun, Alexander Shapiro, Xiaojun Chen
Distributionally robust stochastic variational inequalities. Math. Program. 200 (1) (2023)
Shisen Liu, Xiaojun Chen
Lifted stationary points of sparse optimization with complementarity constraints. Comput. Optim. Appl. 84 (3) (2023)
Jie Jiang, Xiaojun Chen
Pure characteristics demand models and distributionally robust mathematical programs with stochastic complementarity constraints. Math. Program. 198 (2) (2023)
Xiaojun Chen, Yifan He, Zaikun Zhang
Tight Error Bounds for Nonnegative Orthogonality Constraints and Exact Penalties. CoRR (2022)
Chao Zhang, Xiaojun Chen, Shiqian Ma
A Riemannian smoothing steepest descent method for non-Lipschitz optimization on submanifolds. CoRR (2021)
Fang He, Rachel Ka Man Chun, Zicheng Qiu, Shijie Yu, Yun Shi, Chi Ho To, Xiaojun Chen
Choroid Segmentation of Retinal OCT Images Based on CNN Classifier and l 2 - l q Fitter. Comput. Math. Methods Medicine 2021 (2021)
Lei Guo, Xiaojun Chen
Mathematical programs with complementarity constraints and a non-Lipschitz objective: optimality and approximation. Math. Program. 185 (1-2) (2021)
Wei Bian, Xiaojun Chen, C. T. Kelley
Anderson Acceleration for a Class of Nonsmooth Fixed-Point Problems. SIAM J. Sci. Comput. 43 (5) (2021)
Xiaojun Chen, Philippe L. Toint
High-order evaluation complexity for convexly-constrained optimization with non-Lipschitzian group sparsity terms. Math. Program. 187 (1) (2021)
Wei Bian, Xiaojun Chen
A Smoothing Proximal Gradient Algorithm for Nonsmooth Convex Regression with Cardinality Penalty. SIAM J. Numer. Anal. 58 (1) (2020)
James V. Burke, Xiaojun Chen, Hailin Sun
The subdifferential of measurable composite max integrands and smoothing approximation. Math. Program. 181 (2) (2020)
Chao Zhang, Xiaojun Chen
A Smoothing Active Set Method for Linearly Constrained Non-Lipschitz Nonconvex Optimization. SIAM J. Optim. 30 (1) (2020)
Jie Jiang, Xiaojun Chen, Zhiping Chen
Quantitative analysis for a class of two-stage stochastic linear variational inequality problems. Comput. Optim. Appl. 76 (2) (2020)
Shuhuang Xiang, Xiaojun Chen, Yang Zhou
Least-Element Time-Stepping Methods for Simulation of Linear Networks with Ideal Switches. Circuits Syst. Signal Process. 38 (4) (2019)
Xiaojun Chen, Hailin Sun, Huifu Xu
Discrete approximation of two-stage stochastic and distributionally robust linear complementarity problems. Math. Program. 177 (1-2) (2019)
Xiaojun Chen, C. T. Kelley
Convergence of the EDIIS Algorithm for Nonlinear Equations. SIAM J. Sci. Comput. 41 (1) (2019)
Xiaojun Chen, Philippe L. Toint, Hong Wang
Complexity of Partially Separable Convexly Constrained Optimization with Non-Lipschitzian Singularities. SIAM J. Optim. 29 (1) (2019)
Xiaojun Chen, Alexander Shapiro, Hailin Sun
Convergence Analysis of Sample Average Approximation of Two-Stage Stochastic Generalized Equations. SIAM J. Optim. 29 (1) (2019)
Xiaojun Chen, C. T. Kelley, Fengmin Xu, Zaikun Zhang
A Smoothing Direct Search Method for Monte Carlo-Based Bound Constrained Composite Nonsmooth Optimization. SIAM J. Sci. Comput. 40 (4) (2018)
Lei Yang, Ting Kei Pong, Xiaojun Chen
A Nonmonotone Alternating Updating Method for a Class of Matrix Factorization Problems. SIAM J. Optim. 28 (4) (2018)
Bin Gao, Xin Liu, Xiaojun Chen, Ya-Xiang Yuan
A New First-Order Algorithmic Framework for Optimization Problems with Orthogonality Constraints. SIAM J. Optim. 28 (1) (2018)
Zhaosong Lu, Xiaojun Chen
Regularized Convex Quadratic Programming with Finite Convergence. Math. Oper. Res. 43 (1) (2018)
Yang Zhou, Xiaojun Chen
-designs for approximations on the sphere. Math. Comput. 87 (314) (2018)
Xiaojun Chen, Robert S. Womersley
Spherical Designs and Nonconvex Minimization for Recovery of Sparse Signals on the Sphere. SIAM J. Imaging Sci. 11 (2) (2018)
Bo Wen, Xiaojun Chen, Ting Kei Pong
A proximal difference-of-convex algorithm with extrapolation. Comput. Optim. Appl. 69 (2) (2018)
Bo Wen, Xiaojun Chen, Ting Kei Pong
Linear Convergence of Proximal Gradient Algorithm with Extrapolation for a Class of Nonconvex Nonsmooth Minimization Problems. SIAM J. Optim. 27 (1) (2017)
Wei Bian, Xiaojun Chen
Optimality and Complexity for Constrained Optimization Problems with Nonconvex Regularization. Math. Oper. Res. 42 (4) (2017)
Xiaojun Chen, Philippe L. Toint, Hong Wang
Partially separable convexly-constrained optimization with non-Lipschitzian singularities and its complexity. CoRR (2017)
Xiaojun Chen, Lei Guo, Zhaosong Lu, Jane J. Ye
An Augmented Lagrangian Method for Non-Lipschitz Nonconvex Programming. SIAM J. Numer. Anal. 55 (1) (2017)
Lei Yang, Ting Kei Pong, Xiaojun Chen
Alternating Direction Method of Multipliers for a Class of Nonconvex and Nonsmooth Problems with Applications to Background/Foreground Extraction. SIAM J. Imaging Sci. 10 (1) (2017)
Hailin Sun, Che-Lin Su, Xiaojun Chen
SAA-regularized methods for multiproduct price optimization under the pure characteristics demand model. Math. Program. 165 (1) (2017)
Xiaojun Chen, Ting Kei Pong, Roger J.-B. Wets
Two-stage stochastic variational inequalities: an ERM-solution procedure. Math. Program. 165 (1) (2017)
Xiaojun Chen, Shuhuang Xiang
Sparse solutions of linear complementarity problems. Math. Program. 159 (1-2) (2016)
Xiaojun Chen, Zhaosong Lu, Ting Kei Pong
Penalty Methods for a Class of Non-Lipschitz Optimization Problems. SIAM J. Optim. 26 (3) (2016)
Jeffrey Willert, Xiaojun Chen, C. T. Kelley
Newton's Method for Monte Carlo-Based Residuals. SIAM J. Numer. Anal. 53 (4) (2015)
Wei Bian, Xiaojun Chen
Linearly Constrained Non-Lipschitz Optimization for Image Restoration. SIAM J. Imaging Sci. 8 (4) (2015)
Wei Bian, Xiaojun Chen, Yinyu Ye
Complexity analysis of interior point algorithms for non-Lipschitz and nonconvex minimization. Math. Program. 149 (1-2) (2015)
Zhaosong Lu, Xiaojun Chen
Regularized Convex Quadratic Programming with Finite Convergence. CoRR (2015)
Xiaojun Chen, Hailin Sun, Roger J.-B. Wets
Regularized Mathematical Programs with Stochastic Equilibrium Constraints: Estimating Structural Demand Models. SIAM J. Optim. 25 (1) (2015)
Xiaojun Chen, Weijun Zhou
minimization. Comput. Optim. Appl. 59 (1-2) (2014)
Wei Bian, Xiaojun Chen
Neural Network for Nonsmooth, Nonconvex Constrained Minimization Via Smooth Approximation. IEEE Trans. Neural Networks Learn. Syst. 25 (3) (2014)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Corrigendum: Regularized Least Squares Approximations on the Sphere Using Spherical Designs. SIAM J. Numer. Anal. 52 (4) (2014)
Xiaojun Chen, Dongdong Ge, Zizhuo Wang, Yinyu Ye
Complexity of unconstrained $$L_2-L_p$$ minimization. Math. Program. 143 (1-2) (2014)
Yanfang Zhang, Xiaojun Chen
Regularizations for Stochastic Linear Variational Inequalities. J. Optim. Theory Appl. 163 (2) (2014)
Xiaojun Chen, Zhengyu Wang
Differential variational inequality approach to dynamic games with shared constraints. Math. Program. 146 (1-2) (2014)
Xiaojun Chen, Nobuo Yamashita
Preface. Comput. Optim. Appl. 59 (1-2) (2014)
Xiaojun Chen, Zhengyu Wang
Convergence of Regularized Time-Stepping Methods for Differential Variational Inequalities. SIAM J. Optim. 23 (3) (2013)
Xiaojun Chen, Lingfeng Niu, Yaxiang Yuan
Optimality Conditions and a Smoothing Trust Region Newton Method for NonLipschitz Optimization. SIAM J. Optim. 23 (3) (2013)
Wei Bian, Xiaojun Chen
Worst-Case Complexity of Smoothing Quadratic Regularization Methods for Non-Lipschitzian Optimization. SIAM J. Optim. 23 (3) (2013)
Xiaojun Chen, Shuhuang Xiang
Newton iterations in implicit time-stepping scheme for differential linear complementarity systems. Math. Program. 138 (1-2) (2013)
Wei Bian, Xiaojun Chen
Smoothing Neural Network for Constrained Non-Lipschitz Optimization With Applications. IEEE Trans. Neural Networks Learn. Syst. 23 (3) (2012)
Xiaojun Chen, Roger J.-B. Wets, Yanfang Zhang
Stochastic Variational Inequalities: Residual Minimization Smoothing Sample Average Approximations. SIAM J. Optim. 22 (2) (2012)
Xiaojun Chen, Michael K. Ng, Chao Zhang
-Regularization and Box Constrained Model for Image Restoration. IEEE Trans. Image Process. 21 (12) (2012)
Michael K. Ng, Raymond H. Chan, Xiaojun Chen, Liqun Qi, Franklin T. Luk, Eugene Tyrtyshnikov
Structured matrices and tensors. Numer. Linear Algebra Appl. 19 (1) (2012)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Regularized Least Squares Approximations on the Sphere Using Spherical Designs. SIAM J. Numer. Anal. 50 (3) (2012)
Xiaojun Chen
Smoothing methods for nonsmooth, nonconvex minimization. Math. Program. 134 (1) (2012)
Xiaojun Chen, Masao Fukushima
Foreword. Comput. Optim. Appl. 50 (2) (2011)
Shuhuang Xiang, Xiaojun Chen
Computation of generalized differentials in nonlinear complementarity problems. Comput. Optim. Appl. 50 (2) (2011)
Xiaojun Chen, Dongdong Ge, Zizhuo Wang, Yinyu Ye
Complexity of Unconstrained L_2-L_p Minimization CoRR (2011)
Yingjie Tian, Yong Shi, Xiaojun Chen, Wenjing Chen
AUC Maximizing Support Vector Machines with Feature Selection. ICCS (2011)
Owe Axelsson, Xiaojun Chen
Matrix computations and nonlinear equations. Numer. Linear Algebra Appl. 18 (2) (2011)
Xiaojun Chen, Robert S. Womersley, Jane J. Ye
Minimizing the Condition Number of a Gram Matrix. SIAM J. Optim. 21 (1) (2011)
C. K. Chan, Xiaojun Chen, Liqun Qi, Colin Rogers, Zhong-Ci Shi, Ian H. Sloan
Preface. J. Comput. Appl. Math. 235 (13) (2011)
Xiaojun Chen, Andreas Frommer, Bruno Lang
-designs. Numerische Mathematik 117 (2) (2011)
Xiaojun Chen, Shuhuang Xiang
and Z matrix linear complementarity constraints. Math. Program. 128 (1-2) (2011)
Shuhuang Xiang, Xiaojun Chen, Haiyong Wang
Error bounds for approximation in Chebyshev points. Numerische Mathematik 116 (3) (2010)
Weijun Zhou, Xiaojun Chen
Global Convergence of a New Hybrid Gauss--Newton Structured BFGS Method for Nonlinear Least Squares Problems. SIAM J. Optim. 20 (5) (2010)
Xiaojun Chen, Fengmin Xu, Yinyu Ye
Minimization. SIAM J. Sci. Comput. 32 (5) (2010)
Xiaojun Chen, Weijun Zhou
Smoothing Nonlinear Conjugate Gradient Method for Image Restoration Using Nonsmooth Nonconvex Minimization. SIAM J. Imaging Sci. 3 (4) (2010)
Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley
Well Conditioned Spherical Designs for Integration and Interpolation on the Two-Sphere. SIAM J. Numer. Anal. 48 (6) (2010)
Chao Zhang, Xiaojun Chen
Smoothing Projected Gradient Method and Its Application to Stochastic Linear Complementarity Problems. SIAM J. Optim. 20 (2) (2009)
Xiaojun Chen, Chao Zhang, Masao Fukushima
Robust solution of monotone stochastic linear complementarity problems. Math. Program. 117 (1-2) (2009)
Gui-Hua Lin, Xiaojun Chen, Masao Fukushima
Solving stochastic mathematical programs with equilibrium constraints via approximation and smoothing implicit programming with penalization. Math. Program. 116 (1-2) (2009)
Chao Zhang, Xiaojun Chen, Naihua Xiu
Global error bounds for the extended vertical LCP. Comput. Optim. Appl. 42 (3) (2009)
Yong Shi, Yingjie Tian, Xiaojun Chen, Peng Zhang
Regularized multiple criteria linear programs for classification. Sci. China Ser. F Inf. Sci. 52 (10) (2009)
Xiaojun Chen, Sayed Mahmoud
Implicit Runge-Kutta Methods for Lipschitz Continuous Ordinary Differential Equations. SIAM J. Numer. Anal. 46 (3) (2008)
Takuma Kimura, Xiaojun Chen
Validated Solutions of Saddle Point Linear Systems. SIAM J. Matrix Anal. Appl. 30 (4) (2008)
Götz Alefeld, Xiaojun Chen
A regularized projection method for complementarity problems with non-Lipschitzian functions. Math. Comput. 77 (261) (2008)
Sayed Mahmoud, Xiaojun Chen
A verified inexact implicit Runge-Kutta method for nonsmooth ODEs. Numer. Algorithms 47 (3) (2008)
Xiaojun Chen, Shuhuang Xiang
Perturbation Bounds of P-Matrix Linear Complementarity Problems. SIAM J. Optim. 18 (4) (2007)
Haitao Fang, Xiaojun Chen, Masao Fukushima
Matrix Linear Complementarity Problems. SIAM J. Optim. 18 (2) (2007)
Yong Shi, Yingjie Tian, Xiaojun Chen, Peng Zhang
A Regularized Multiple Criteria Linear Program for Classification. ICDM Workshops (2007)
Xiaojun Chen, Takuma Kimura
Finite Element Surface Fitting for Bridge Management. Int. J. Inf. Technol. Decis. Mak. 5 (4) (2006)
Xiaojun Chen, Robert S. Womersley
Existence of Solutions to Systems of Underdetermined Equations and Spherical Designs. SIAM J. Numer. Anal. 44 (6) (2006)
Xiaojun Chen, Shuhuang Xiang
Computation of Error Bounds for P-matrix Linear Complementarity Problems. Math. Program. 106 (3) (2006)
Xiaojun Chen, Masao Fukushima
Expected Residual Minimization Method for Stochastic Linear Complementarity Problems. Math. Oper. Res. 30 (4) (2005)
Xiaojun Chen, Masao Fukushima
A Smoothing Method for a Mathematical Program with P-Matrix Linear Complementarity Constraints. Comput. Optim. Appl. 27 (3) (2004)
Xiaojun Chen
First Order Conditions for Nonsmooth Discretized Constrained Optimal Control Problems. SIAM J. Control. Optim. 42 (6) (2004)
Gang Kou, Yi Peng, Yong Shi, Zhengxin Chen, Xiaojun Chen
A Multiple-Criteria Quadratic Programming Approach to Network Intrusion Detection. CASDMKM (2004)
Xiaojun Chen, Kouji Hashimoto
Numerical validation of solutions of saddle point matrix equations. Numer. Linear Algebra Appl. 10 (7) (2003)
Götz Alefeld, Xiaojun Chen, Florian A. Potra
Numerical validation of solutions of complementarity The nonlinear case. Numerische Mathematik 92 (1) (2002)
Xiaojun Chen
On convergence of SOR methods for nonsmooth equations. Numer. Linear Algebra Appl. 9 (1) (2002)
Xiaojun Chen, Zuhair Nashed, Liqun Qi
Smoothing Methods and Semismooth Methods for Nondifferentiable Operator Equations. SIAM J. Numer. Anal. 38 (4) (2000)
Xiaojun Chen, Yinyu Ye
On Smoothing Methods for the P[sub 0] Matrix Linear Complementarity Problem. SIAM J. Optim. 11 (2) (2000)
Bintong Chen, Xiaojun Chen, Christian Kanzow
A penalized Fischer-Burmeister NCP-function. Math. Program. 88 (1) (2000)
Bintong Chen, Xiaojun Chen
A Global Linear and Local Quadratic Continuation Smoothing Method for Variational Inequalities with Box Constraints. Comput. Optim. Appl. 17 (2-3) (2000)
Bintong Chen, Xiaojun Chen
NCP or Monotone NCP. SIAM J. Optim. 9 (3) (1999)
Götz Alefeld, Xiaojun Chen, Florian A. Potra
Numerical validation of solutions of linear complementarity problems. Numerische Mathematik 83 (1) (1999)
Xiaojun Chen, Masao Fukushima
Proximal quasi-Newton methods for nondifferentiable convex optimization. Math. Program. 85 (2) (1999)
Xiaojun Chen, Liqun Qi, Defeng Sun
Global and superlinear convergence of the smoothing Newton method and its application to general box constrained variational inequalities. Math. Comput. 67 (222) (1998)

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Publication Activity (10 Years)

Top Topics

Top Venues

Xiaojun Chen