Xiaojun Chen

According to our database, Xiaojun Chen authored at least 113 papers between 1992 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

A Quasi-Newton Subspace Trust Region Algorithm for Nonmonotone Variational Inequalities in Adversarial Learning over Box Constraints.

Zicheng Qiu, Jie Jiang, Xiaojun Chen

J. Sci. Comput., November, 2024

Data-Driven Distributionally Robust Multiproduct Pricing Problems under Pure Characteristics Demand Models.

Jie Jiang, Hailin Sun, Xiaojun Chen

SIAM J. Optim., 2024

A Riemannian Smoothing Steepest Descent Method for Non-Lipschitz Optimization on Embedded Submanifolds of Rn.

Chao Zhang, Xiaojun Chen, Shiqian Ma

Math. Oper. Res., 2024

2023

Solution sets of three sparse optimization problems for multivariate regression.

Xiaojun Chen, Lili Pan, Naihua Xiu

J. Glob. Optim., November, 2023

Pure characteristics demand models and distributionally robust mathematical programs with stochastic complementarity constraints.

Jie Jiang, Xiaojun Chen

Math. Program., April, 2023

Lifted stationary points of sparse optimization with complementarity constraints.

Shisen Liu, Xiaojun Chen

Comput. Optim. Appl., April, 2023

Distributionally robust stochastic variational inequalities.

Hailin Sun, Alexander Shapiro, Xiaojun Chen

Math. Program., 2023

2022

Linearly Constrained Nonsmooth Optimization for Training Autoencoders.

Wei Liu, Xin Liu, Xiaojun Chen

SIAM J. Optim., September, 2022

Sparse Solutions of a Class of Constrained Optimization Problems.

Lei Yang, Xiaojun Chen, Shuhuang Xiang

Math. Oper. Res., 2022

Tight Error Bounds for Nonnegative Orthogonality Constraints and Exact Penalties.

Xiaojun Chen, Yifan He, Zaikun Zhang

CoRR, 2022

A polynomial-time algorithm for simple undirected graph isomorphism.

Jing He, Guangyan Huang, Jie Cao, Zhiwang Zhang, Hui Zheng, Peng Zhang, Roozbeh Zarei, Ferry Susanto, Ruchuan Wang, Yimu Ji, Weibei Fan, Zhijun Xie, Xiancheng Wang, Mengjiao Guo, Chi-Hung Chi, Jiekui Zhang, Youtao Li, Xiaojun Chen, Yong Shi, André Van Zundert

Concurr. Comput. Pract. Exp., 2022

2021

Anderson Acceleration for a Class of Nonsmooth Fixed-Point Problems.

Wei Bian, Xiaojun Chen, C. T. Kelley

SIAM J. Sci. Comput., 2021

Mathematical programs with complementarity constraints and a non-Lipschitz objective: optimality and approximation.

Lei Guo, Xiaojun Chen

Math. Program., 2021

High-order evaluation complexity for convexly-constrained optimization with non-Lipschitzian group sparsity terms.

Xiaojun Chen, Philippe L. Toint

Math. Program., 2021

A Riemannian smoothing steepest descent method for non-Lipschitz optimization on submanifolds.

Chao Zhang, Xiaojun Chen, Shiqian Ma

CoRR, 2021

A polynomial-time algorithm for simple undirected graph isomorphism.

Jing He, Jinjun Chen, Guangyan Huang, Jie Cao, Zhiwang Zhang, Hui Zheng, Peng Zhang, Roozbeh Zarei, Ferry Sansoto, Ruchuan Wang, Yimu Ji, Weibei Fan, Zhijun Xie, Xiancheng Wang, Mengjiao Guo, Chi-Hung Chi, Paulo A. de Souza, Jiekui Zhang, Youtao Li, Xiaojun Chen, Yong Shi, David Green, Taraporewalla Kersi, André Van Zundert

Concurr. Comput. Pract. Exp., 2021

Choroid Segmentation of Retinal OCT Images Based on CNN Classifier and l 2 - l q Fitter.

Fang He, Rachel Ka Man Chun, Zicheng Qiu, Shijie Yu, Yun Shi, Chi Ho To, Xiaojun Chen

Comput. Math. Methods Medicine, 2021

2020

A Smoothing Proximal Gradient Algorithm for Nonsmooth Convex Regression with Cardinality Penalty.

Wei Bian, Xiaojun Chen

SIAM J. Numer. Anal., 2020

A Smoothing Active Set Method for Linearly Constrained Non-Lipschitz Nonconvex Optimization.

Chao Zhang, Xiaojun Chen

SIAM J. Optim., 2020

The subdifferential of measurable composite max integrands and smoothing approximation.

James V. Burke, Xiaojun Chen, Hailin Sun

Math. Program., 2020

Quantitative analysis for a class of two-stage stochastic linear variational inequality problems.

Jie Jiang, Xiaojun Chen, Zhiping Chen

Comput. Optim. Appl., 2020

2019

Convergence of the EDIIS Algorithm for Nonlinear Equations.

Xiaojun Chen, C. T. Kelley

SIAM J. Sci. Comput., 2019

Complexity of Partially Separable Convexly Constrained Optimization with Non-Lipschitzian Singularities.

Xiaojun Chen, Philippe L. Toint, Hong Wang

SIAM J. Optim., 2019

Convergence Analysis of Sample Average Approximation of Two-Stage Stochastic Generalized Equations.

Xiaojun Chen, Alexander Shapiro, Hailin Sun

SIAM J. Optim., 2019

Discrete approximation of two-stage stochastic and distributionally robust linear complementarity problems.

Xiaojun Chen, Hailin Sun, Huifu Xu

Math. Program., 2019

Least-Element Time-Stepping Methods for Simulation of Linear Networks with Ideal Switches.

Shuhuang Xiang, Xiaojun Chen, Yang Zhou

Circuits Syst. Signal Process., 2019

2018

A Smoothing Direct Search Method for Monte Carlo-Based Bound Constrained Composite Nonsmooth Optimization.

Xiaojun Chen, C. T. Kelley, Fengmin Xu, Zaikun Zhang

SIAM J. Sci. Comput., 2018

A Nonmonotone Alternating Updating Method for a Class of Matrix Factorization Problems.

Lei Yang, Ting Kei Pong, Xiaojun Chen

SIAM J. Optim., 2018

A New First-Order Algorithmic Framework for Optimization Problems with Orthogonality Constraints.

Bin Gao, Xin Liu, Xiaojun Chen, Ya-Xiang Yuan

SIAM J. Optim., 2018

Spherical Designs and Nonconvex Minimization for Recovery of Sparse Signals on the Sphere.

Xiaojun Chen, Robert S. Womersley

SIAM J. Imaging Sci., 2018

Generalized Conjugate Gradient Methods for <i>ℓ</i>₁ Regularized Convex Quadratic Programming with Finite Convergence.

Zhaosong Lu, Xiaojun Chen

Math. Oper. Res., 2018

Spherical t_휀-designs for approximations on the sphere.

Yang Zhou, Xiaojun Chen

Math. Comput., 2018

A proximal difference-of-convex algorithm with extrapolation.

Bo Wen, Xiaojun Chen, Ting Kei Pong

Comput. Optim. Appl., 2018

2017

An Augmented Lagrangian Method for Non-Lipschitz Nonconvex Programming.

Xiaojun Chen, Lei Guo, Zhaosong Lu, Jane J. Ye

SIAM J. Numer. Anal., 2017

Linear Convergence of Proximal Gradient Algorithm with Extrapolation for a Class of Nonconvex Nonsmooth Minimization Problems.

Bo Wen, Xiaojun Chen, Ting Kei Pong

SIAM J. Optim., 2017

Alternating Direction Method of Multipliers for a Class of Nonconvex and Nonsmooth Problems with Applications to Background/Foreground Extraction.

Lei Yang, Ting Kei Pong, Xiaojun Chen

SIAM J. Imaging Sci., 2017

SAA-regularized methods for multiproduct price optimization under the pure characteristics demand model.

Hailin Sun, Che-Lin Su, Xiaojun Chen

Math. Program., 2017

Two-stage stochastic variational inequalities: an ERM-solution procedure.

Xiaojun Chen, Ting Kei Pong, Roger J.-B. Wets

Math. Program., 2017

Optimality and Complexity for Constrained Optimization Problems with Nonconvex Regularization.

Wei Bian, Xiaojun Chen

Math. Oper. Res., 2017

Partially separable convexly-constrained optimization with non-Lipschitzian singularities and its complexity.

Xiaojun Chen, Philippe L. Toint, Hong Wang

CoRR, 2017

2016

Penalty Methods for a Class of Non-Lipschitz Optimization Problems.

Xiaojun Chen, Zhaosong Lu, Ting Kei Pong

SIAM J. Optim., 2016

Sparse solutions of linear complementarity problems.

Xiaojun Chen, Shuhuang Xiang

Math. Program., 2016

2015

Newton's Method for Monte Carlo-Based Residuals.

Jeffrey Willert, Xiaojun Chen, C. T. Kelley

SIAM J. Numer. Anal., 2015

Regularized Mathematical Programs with Stochastic Equilibrium Constraints: Estimating Structural Demand Models.

Xiaojun Chen, Hailin Sun, Roger J.-B. Wets

SIAM J. Optim., 2015

Linearly Constrained Non-Lipschitz Optimization for Image Restoration.

Wei Bian, Xiaojun Chen

SIAM J. Imaging Sci., 2015

Complexity analysis of interior point algorithms for non-Lipschitz and nonconvex minimization.

Wei Bian, Xiaojun Chen, Yinyu Ye

Math. Program., 2015

Generalized Conjugate Gradient Methods for ℓ₁ Regularized Convex Quadratic Programming with Finite Convergence.

Zhaosong Lu, Xiaojun Chen

CoRR, 2015

2014

Neural Network for Nonsmooth, Nonconvex Constrained Minimization Via Smooth Approximation.

Wei Bian, Xiaojun Chen

IEEE Trans. Neural Networks Learn. Syst., 2014

Corrigendum: Regularized Least Squares Approximations on the Sphere Using Spherical Designs.

Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley

SIAM J. Numer. Anal., 2014

Differential variational inequality approach to dynamic games with shared constraints.

Xiaojun Chen, Zhengyu Wang

Math. Program., 2014

Complexity of unconstrained $$L_2-L_p$$ minimization.

Xiaojun Chen, Dongdong Ge, Zizhuo Wang, Yinyu Ye

Math. Program., 2014

Regularizations for Stochastic Linear Variational Inequalities.

Yanfang Zhang, Xiaojun Chen

J. Optim. Theory Appl., 2014

Convergence of the reweighted <i>ℓ</i> ₁ minimization algorithm for <i>ℓ</i> ₂-<i>ℓ</i> _<i>p</i> minimization.

Xiaojun Chen, Weijun Zhou

Comput. Optim. Appl., 2014

Preface.

Xiaojun Chen, Nobuo Yamashita

Comput. Optim. Appl., 2014

2013

Convergence of Regularized Time-Stepping Methods for Differential Variational Inequalities.

Xiaojun Chen, Zhengyu Wang

SIAM J. Optim., 2013

Optimality Conditions and a Smoothing Trust Region Newton Method for NonLipschitz Optimization.

Xiaojun Chen, Lingfeng Niu, Yaxiang Yuan

SIAM J. Optim., 2013

Worst-Case Complexity of Smoothing Quadratic Regularization Methods for Non-Lipschitzian Optimization.

Wei Bian, Xiaojun Chen

SIAM J. Optim., 2013

Newton iterations in implicit time-stepping scheme for differential linear complementarity systems.

Xiaojun Chen, Shuhuang Xiang

Math. Program., 2013

2012

Smoothing Neural Network for Constrained Non-Lipschitz Optimization With Applications.

Wei Bian, Xiaojun Chen

IEEE Trans. Neural Networks Learn. Syst., 2012

Non-Lipschitz l_p-Regularization and Box Constrained Model for Image Restoration.

Xiaojun Chen, Michael K. Ng, Chao Zhang

IEEE Trans. Image Process., 2012

Regularized Least Squares Approximations on the Sphere Using Spherical Designs.

Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley

SIAM J. Numer. Anal., 2012

Stochastic Variational Inequalities: Residual Minimization Smoothing Sample Average Approximations.

Xiaojun Chen, Roger J.-B. Wets, Yanfang Zhang

SIAM J. Optim., 2012

Structured matrices and tensors.

Michael K. Ng, Raymond H. Chan, Xiaojun Chen, Liqun Qi, Franklin T. Luk, Eugene Tyrtyshnikov

Numer. Linear Algebra Appl., 2012

Smoothing methods for nonsmooth, nonconvex minimization.

Xiaojun Chen

Math. Program., 2012

2011

Minimizing the Condition Number of a Gram Matrix.

Xiaojun Chen, Robert S. Womersley, Jane J. Ye

SIAM J. Optim., 2011

AUC Maximizing Support Vector Machines with Feature Selection.

Yingjie Tian, Yong Shi, Xiaojun Chen, Wenjing Chen

Proceedings of the International Conference on Computational Science, 2011

Computational existence proofs for spherical <i>t</i>-designs.

Xiaojun Chen, Andreas Frommer, Bruno Lang

Numerische Mathematik, 2011

Matrix computations and nonlinear equations.

Owe Axelsson, Xiaojun Chen

Numer. Linear Algebra Appl., 2011

Implicit solution function of P₀ and Z matrix linear complementarity constraints.

Xiaojun Chen, Shuhuang Xiang

Math. Program., 2011

Preface.

C. K. Chan, Xiaojun Chen, Liqun Qi, Colin Rogers, Zhong-Ci Shi, Ian H. Sloan

J. Comput. Appl. Math., 2011

Computation of generalized differentials in nonlinear complementarity problems.

Shuhuang Xiang, Xiaojun Chen

Comput. Optim. Appl., 2011

Foreword.

Xiaojun Chen, Masao Fukushima

Comput. Optim. Appl., 2011

2010

Lower Bound Theory of Nonzero Entries in Solutions of ℓ₂-ℓ_p Minimization.

Xiaojun Chen, Fengmin Xu, Yinyu Ye

SIAM J. Sci. Comput., 2010

Well Conditioned Spherical Designs for Integration and Interpolation on the Two-Sphere.

Congpei An, Xiaojun Chen, Ian H. Sloan, Robert S. Womersley

SIAM J. Numer. Anal., 2010

Global Convergence of a New Hybrid Gauss--Newton Structured BFGS Method for Nonlinear Least Squares Problems.

Weijun Zhou, Xiaojun Chen

SIAM J. Optim., 2010

Smoothing Nonlinear Conjugate Gradient Method for Image Restoration Using Nonsmooth Nonconvex Minimization.

Xiaojun Chen, Weijun Zhou

SIAM J. Imaging Sci., 2010

Error bounds for approximation in Chebyshev points.

Shuhuang Xiang, Xiaojun Chen, Haiyong Wang

Numerische Mathematik, 2010

2009

Smoothing Projected Gradient Method and Its Application to Stochastic Linear Complementarity Problems.

Chao Zhang, Xiaojun Chen

SIAM J. Optim., 2009

Solving stochastic mathematical programs with equilibrium constraints via approximation and smoothing implicit programming with penalization.

Gui-Hua Lin, Xiaojun Chen, Masao Fukushima

Math. Program., 2009

Robust solution of monotone stochastic linear complementarity problems.

Xiaojun Chen, Chao Zhang, Masao Fukushima

Math. Program., 2009

Global error bounds for the extended vertical LCP.

Chao Zhang, Xiaojun Chen, Naihua Xiu

Comput. Optim. Appl., 2009

Regularized multiple criteria linear programs for classification.

Yong Shi, Yingjie Tian, Xiaojun Chen, Peng Zhang

Sci. China Ser. F Inf. Sci., 2009

2008

Implicit Runge-Kutta Methods for Lipschitz Continuous Ordinary Differential Equations.

Xiaojun Chen, Sayed Mahmoud

SIAM J. Numer. Anal., 2008

Validated Solutions of Saddle Point Linear Systems.

Takuma Kimura, Xiaojun Chen

SIAM J. Matrix Anal. Appl., 2008

A verified inexact implicit Runge-Kutta method for nonsmooth ODEs.

Sayed Mahmoud, Xiaojun Chen

Numer. Algorithms, 2008

A regularized projection method for complementarity problems with non-Lipschitzian functions.

Götz Alefeld, Xiaojun Chen

Math. Comput., 2008

2007

Stochastic R₀ Matrix Linear Complementarity Problems.

Haitao Fang, Xiaojun Chen, Masao Fukushima

SIAM J. Optim., 2007

Perturbation Bounds of P-Matrix Linear Complementarity Problems.

Xiaojun Chen, Shuhuang Xiang

SIAM J. Optim., 2007

A Regularized Multiple Criteria Linear Program for Classification.

Yong Shi, Yingjie Tian, Xiaojun Chen, Peng Zhang

Proceedings of the Workshops Proceedings of the 7th IEEE International Conference on Data Mining (ICDM 2007), 2007

2006

Existence of Solutions to Systems of Underdetermined Equations and Spherical Designs.

Xiaojun Chen, Robert S. Womersley

SIAM J. Numer. Anal., 2006

Computation of Error Bounds for P-matrix Linear Complementarity Problems.

Xiaojun Chen, Shuhuang Xiang

Math. Program., 2006

Finite Element Surface Fitting for Bridge Management.

Xiaojun Chen, Takuma Kimura

Int. J. Inf. Technol. Decis. Mak., 2006

2005

Expected Residual Minimization Method for Stochastic Linear Complementarity Problems.

Xiaojun Chen, Masao Fukushima

Math. Oper. Res., 2005

2004

First Order Conditions for Nonsmooth Discretized Constrained Optimal Control Problems.

Xiaojun Chen

SIAM J. Control. Optim., 2004

A Smoothing Method for a Mathematical Program with P-Matrix Linear Complementarity Constraints.

Xiaojun Chen, Masao Fukushima

Comput. Optim. Appl., 2004

A Multiple-Criteria Quadratic Programming Approach to Network Intrusion Detection.

Gang Kou, Yi Peng, Yong Shi, Zhengxin Chen, Xiaojun Chen

Proceedings of the Data Mining and Knowledge Management, 2004

2003

Numerical validation of solutions of saddle point matrix equations.

Xiaojun Chen, Kouji Hashimoto

Numer. Linear Algebra Appl., 2003

2002

Numerical validation of solutions of complementarity The nonlinear case.

Götz Alefeld, Xiaojun Chen, Florian A. Potra

Numerische Mathematik, 2002

On convergence of SOR methods for nonsmooth equations.

Xiaojun Chen

Numer. Linear Algebra Appl., 2002

2000

Smoothing Methods and Semismooth Methods for Nondifferentiable Operator Equations.

Xiaojun Chen, Zuhair Nashed, Liqun Qi

SIAM J. Numer. Anal., 2000

On Smoothing Methods for the P[sub 0] Matrix Linear Complementarity Problem.

Xiaojun Chen, Yinyu Ye

SIAM J. Optim., 2000

A penalized Fischer-Burmeister NCP-function.

Bintong Chen, Xiaojun Chen, Christian Kanzow

Math. Program., 2000

A Global Linear and Local Quadratic Continuation Smoothing Method for Variational Inequalities with Box Constraints.

Bintong Chen, Xiaojun Chen

Comput. Optim. Appl., 2000

1999

A Global and Local Superlinear Continuation-Smoothing Method for <i>P</i>₀ and <i>R</i>₀ NCP or Monotone NCP.

Bintong Chen, Xiaojun Chen

SIAM J. Optim., 1999

Numerical validation of solutions of linear complementarity problems.

Götz Alefeld, Xiaojun Chen, Florian A. Potra

Numerische Mathematik, 1999

Proximal quasi-Newton methods for nondifferentiable convex optimization.

Xiaojun Chen, Masao Fukushima

Math. Program., 1999

1998

Global and superlinear convergence of the smoothing Newton method and its application to general box constrained variational inequalities.

Xiaojun Chen, Liqun Qi, Defeng Sun

Math. Comput., 1998

1997

Convergence of Newton's Method for Singular Smooth and Nonsmooth Equations Using Adaptive Outer Inverses.

Xiaojun Chen, Zuhair Nashed, Liqun Qi

SIAM J. Optim., 1997

A Verification Method for Solutions of Nonsmooth Equations.

Xiaojun Chen

Computing, 1997

1996

A preconditioning proximal Newton method for nondifferentiable convex optimization.

Liqun Qi, Xiaojun Chen

Math. Program., 1996

A parallel inexact newton method for stochastic programs with recourse.

Xiaojun Chen, Robert S. Womersley

Ann. Oper. Res., 1996

1994

A parameterized Newton method and a quasi-Newton method for nonsmooth equations.

Xiaojun Chen, Liqun Qi

Comput. Optim. Appl., 1994

1992

On the convergence of some quasi-Newton methods for nonlinear equations with nondifferentiable operators.

Xiaojun Chen, Tetsuro Yamamoto

Computing, 1992