Research at FAST

81 Department of Applied Mathematics Department of Applied Mathematics Representative Publications • C. Zhang and X. Chen , A Smoothing Active Set Method for Linearly Constrained Non-Lipschitz Nonconvex Optimization, SIAM Optimization, 30( 2020 ), 1-30 • X. Chen , H. Sun and H. Xu, Discrete approximation of two-stage stochastic and distributionally robust linear complementarity problems, Math. Programming, 177 ( 2019 ), 255-289 • X. Chen , Ph. L. Toint and H. Wang, Complexity of partially-separable convexly-constrained optimization with non-Lipschitzian singularities, SIAM J. Optimization, 29( 2019 ), 874-903 • X. Chen and T. Kelley, Convergence of the EDIIS Algorithm for Nonlinear Equations, SIAM J. Scientific Computing, 41( 2019 ), A365-379 • X. Chen , A. Shapiro and H. Sun, Convergence analysis of sample average approximation of two-stage stochastic generalized equations, SIAM J. Optimization, 29( 2019 ), 135-161 • X. Chen and R. Womersley, Spherical designs and nonconvex minimization for recovery of sparse signals on the sphere, SIAM J. Imaging Sciences. 11( 2018 ), 1390-1415 • L. Yang, T.K. Pong and X. Chen , A non-monotone alternating updating method for a class of matrix factorization problems, SIAM J. Optimization, 28( 2018 ), 3402-3430 • X. Chen , T. Kelley, F. Xu and Z. Zhang, A smoothing direct search method for Monte Carlo-based constrained nonsmooth nonconvex optimization, SIAM J. Scientific Computing. 40( 2018 ), A2174-A2199 • B. Gao, X. Liu, X. Chen and Y. Yuan, A new first-order algorithmic framework for optimization problems with orthogonality constraints, SIAM J. Optimization, 28( 2018 ), 302-332 • Y. Zhou and X. Chen , Spherical t_\epsilon-designs for approximations on the sphere, Mathematics of Computation, 87( 2018 ), 2831-2855 • Z. Lu and X. Chen , Generalized conjugate gradient methods for L_1 regularized convex quadratic programming with finite convergence, Mathematics of Operations Research, 43( 2018 ), 275-303 Prof. CHEN Xiaojun Chair Professor of Applied Mathematics Director of University Research Facility in Big Data Analytics Research Areas • Stochastic equilibrium problems • Iterative methods for nonlinear/singular/nonsmooth equations • Complementarity problems and applications • Nonsmooth, nonconvex optimization • Deep learning in big data analysis Qualification PhD (XJTU) ORCID ID 0000-0002-6627-2637