Dec. 17, 10:00-11:00 (Z 311), Prof. Wei Yu (University of Toronto),
Fractional Programming for Communication Systems

Dec. 14, 9:00-10:00 (Z 311), Prof. Deren Han (Beihang University),
Convergence Rate of ADMM

Dec. 13, 10:30-11:30 (N 202), Jiawang Nie (University of California),
Tight relaxations for polynomial optimization

Dec. 11, 15:30-16:30 (Z 311), Ruijin Zhang (AMSS), The Linear System in the Simplex Method

Dec. 4, 15:30-16:30 (Z 311), Wei Liu (AMSS), A Continuous Spectral Clustering Optimization Model

Dec. 4, 14:30-15:30 (Z 311), Prof. Yong Xia (Beihang University),
Hidden Convex Optimization

Nov. 27, 15:30-16:30 (Z 311), Zhenyuan Ji (AMSS), Chubanov's Polynomial Algorithm for Linear Systems

Nov. 20, 15:30-16:30 (Z 311), Haotian Zhao (AMSS), A Riemannian Gradient Sampling Algorithm for Nonsmooth Optimization on Manifolds

Nov. 13, 15:30-16:30 (Z 311), Liang Zhao (AMSS), Randomized Subspace Correction Methods: From Linear Problems to Nonlinear Problems

Nov. 9, 14:00-15:00 (N 205), Prof. Jinyan Fan (Shanghai Jiao Tong University),
The CP-matrix Approximation Problem

Nov. 8, 16:00-17:00 (Lecture Hall in Siyuan Building), Prof. Zhihua Zhang (Peking University),
理解机器学习和深度学习：优化与泛化

Nov. 8, 14:40-15:40 (Z 311), Dr. Chenglong Bao (Tsinghua University),
The effects of inaccurate forward operator - a study of two cases

Nov. 8, 13:40-14:40 (Z 311), Prof. Zuoqiang Shi (Tsinghua University),
PDE-based methods in learning manifold

Nov. 6, 16:30-17:30 (Z 311), Yadan Chen (AMSS), Alternating direction method of multipliers to solve two ratio cut models for graph-based clustering

Nov. 6, 15:30-16:30 (Z 311), Prof. Tomohiro Sogabe (Nagoya University),
Krylov subspace methods for complex symmetric linear systems

Oct. 31, 11:00-12:00 (Z 311), Prof. Yunzhi Xue (Institute of Software, CAS),
金融事理图谱构建及应用

Oct. 31, 10:00-11:00 (Z 311), Prof. Chao Yang (Peking University),
数百上千万核超算环境下稀疏与稠密型计算问题的研究

Oct. 30, 15:30-16:30 (Z 311), Muming Yang (AMSS), Local and global algorithms for optimizing the operation of Heated Oil Pipelines

Oct. 23, 15:30-16:30 (Z 311), Yuchen Wu (AMSS), Training Neural Networks with ε insensitive loss

Oct. 16, 15:30-16:30 (Z 311), Nachuan Xiao (AMSS), Variable splitting method for matrix optimization problem with symmetric structure

Oct. 9, 15:30-16:30 (Z 311), Kai Fu (AMSS), A trilinear model of the pooling problem

Sept. 25, 15:30-16:30 (Z 311), Liang Chen (AMSS), Sequential Lifting Algorithm for Pure Integer Set

Sept. 18, 15:30-16:30 (Z 311), Xiaoyu Wang (AMSS), Stochastic Trust Region Methods with Trust Region Radius Depended on Probabilistic Models

Sept. 11, 15:30-16:30 (Z 311), Ruizhi Zhou (AMSS), A joint unsupervised feature selection learning framework for attributed graph data

Sept. 4, 15:30-16:30 (Z 311), Bin Gao (AMSS), Proximal Augmented Lagrangian Method for Optimization Problems with Orthogonality Constraints

Aug. 30, 10:00-11:00 (Z 311), Prof. Christopher Thomas Ryan (The University of Chicago Booth School of Business),
Mixed-integer bilevel representability

Aug. 28, 10:00-11:00 (Z 311), Prof. Shiqian Ma (University of California, Davis), On the Convergence and Complexity of Nonconvex ADMM

Aug. 26, 11:00-12:00 (Z 311), Dr. Junchi Li (Princeton University), SPIDER: Near-Optimal Non-Convex Optimization via Stochastic Path Integrated Differential Estimator

Aug. 24, 10:30-11:30 (Z 311), Prof. Ruoyu Sun (University of Illinois Urbana-Champaign),
Landscape of Neural Networks for Binary Classification

Aug. 24, 9:30-10:30 (Z 311), Prof. Zhaosong Lu (Simon Fraser University),
Iteration-Complexity of First-Order Augmented Lagrangian Methods for Convex Conic Programming

Aug. 1, 10:30-11:30 (Z 311), Dr. Sándor Zoltán Németh (University of Birmingham),
On the spherical quasi-convexity of quadratic functions

Jul. 17, 10:00-11:00 (N 212), Prof. Guoqing Zhang (University of Windsor),
Large scale real-world optimization problems and solution approaches

Jul. 6, 16:00-17:00 (Z 311), Prof. Chong-Yung Chi (National Tsing Hua University),
Blind Deconvolution Based Super-resolution Imaging with ROSIS/HYDICE/AVIRIS Sensors via Big Data Convex Optimization

Jul. 6, 15:00-16:00 (Z 311), Prof. Chao Shen (Beijing Jiaotong University),
On Energy-Efficient NOMA Designs for Heterogeneous Low-Latency Downlink Transmissions

Jun. 29, 9:00-10:00 (Z 311), Prof. Zhaosong Lu (Simon Fraser University),
Algorithmic Development for Computing B-stationary Points of a Class of Nonsmooth DC Programs

Jun. 26, 16:30-17:30 (Z 311), Prof. Yangyang Xu (Rensselaer Polytechnic Institute),
Optimal Frst-Order Method for Constrained Convex Programs

Jun. 26, 15:30-16:30 (Z 311), Prof. Jiawang Nie (University California San Diego),
Symmetric Tensor Decompositions

Jun. 26, 14:30-15:30(Z 311), Prof. Bin Li (Sichuan University),
A Model of Distributionally Robust Two-Stage Stochastic Convex Programming with Linear Recourse

Jun. 12, 15:30-16:30 (Z 311), Yadan Chen (AMSS), A Continuous Optimization Model for Graph-Based Document Clustering

Jun. 7, 10:30-11:30 (N 202), Na Huang (AMSS), 一类3*3块鞍点问题的 Uzawa 方法

Jun. 5, 15:30-16:30 (Z 311), Muming Yang (AMSS), LP solution based heuristics for uncapacitated single-source multi-product facility location problems

May. 29, 15:30-16:30 (Z 311), Yuchen Wu (AMSS), An incremental Gauss-Newton method for L2 regularized finite sum problem

May. 22, 15:30-16:30 (Z 311), Nachuan Xiao (AMSS), A New Framework For Estimating Convergence rate Of Online PCA

May. 15, 16:00-17:00 (Z 311), Liaoyuan Zeng (AMSS), Ph.D thesis Defence, 三类一阶优化算法研究

May. 15, 15:00-16:00 (Z 311), Cheng Chen (AMSS), Ph.D thesis Defence, 优化问题的多层算法

May. 15, 14:30-15:00 (Z 311), Rui Zhang (AMSS), Master thesis Defence, 谱聚类问题的一种连续优化模型

May. 15, 14:00-14:30 (Z 311), Zhe Jin (AMSS), Master thesis Defence, 两类应用优化问题的理论与算法研究

May. 8, 15:30-16:30 (Z 311), Zhe Jin (AMSS), Pre-thesis Defence, 两类应用优化问题的理论与算法研究

May. 4, 16:00-17:00 (N 202), Prof. Jie Shen (Purdue University and Xiamen University),
A new and robust approach to construct energy stable schemes for gradient flows

Apr. 27, 14:00-15:00 (Z 311), Dr. Chengbo Li (ConocoPhillips),
When Optimization Meets Geophysics: Compressive Sensing and Its Applications in Seismic Acquisition

Apr. 24, 15:30-16:30 (Z 311), Rui Zhang (AMSS), Pre-thesis Defence, 谱聚?辔侍獾囊恢至呕Ｐ?

Apr. 24, 14:30-15:30 (Z 311), Liaoyuan Zeng (AMSS), Pre-thesis Defence, 三类一阶优化算法的收敛性分析与应用

Apr. 17, 15:30-16:30 (Z 311), Prof. Xiaojun Chen (The Hong Kong Polytechnic University), Algorithms for two-stage stochastic linear variational inequalities

Apr. 10, 15:30-16:30 (Z 311), Cheng Chen (AMSS), Pre-thesis Defence, 优化问题的多层算法

Apr. 5, 16:00-17:00 (Z311), Prof. Kok Lay Teo (Curtin University, Australia), Switching Time and System Parameter Optimization in Nonlinear Switched Time-Delay Systems

Apr. 3, 15:30-16:30 (Z311), Kai Fu (AMSS), An Iterative Approach for Homogeneous Bilinear Problems

Mar. 27, 15:30-16:30 (Z 311), Liang Chen (AMSS), Exact Separation for the Unsplittable Flow Arc-set with Multi-facility

Mar. 30, 15:30-16:30 (Z 311), Xiaoyu Wang (AMSS), Stochastic Trust Region with Random Models and Estimates

Mar. 13, 15:30-16:30 (Z 311), Ruizhi Zhou (AMSS), A joint unsupervised feature selection framework for attributed graph data

Mar. 6, 15:30-16:30 (Z 311), Bin Gao (AMSS), Parallelizable Approach for Optimization Problems with Orthogonality Constraints

Mar. 1, 10:00-11:00(Z311), Prof. Tingting Wu (Nanjing University of Posts and Telecommunications), Efficient splitting methods for MRI reconstruction

Jan. 27, 10:30-11:30 (N 202), Prof. Zhiquan Luo (The Chinese University of Hong Kong, Shenzhen), Optimal Estimation of Sensor Biases for Asynchronous Multi-Sensor Registration

Jan. 2, 15:30-16:30 (Z 311), Yadan Chen (AMSS), Optimization Problem with Nonnegativity and Orthogonality Constraints :Applications and Algorithms

Dec. 26, 10:30-11:30 (Z 311), Dr. Chengcheng Huang (University of Pittsburgh), Modulation and propagation of information
in visual pathway

Dec. 19, 15:30-16:30 (Z 311), Muming Yang (AMSS), An exact algorithm for the pessimistic formulation of Bilevel Integer Linear Programming problems

Dec. 15, 11:30-12:30 (Z 311), Prof. Rongjie Lai (Rensselaer Polytechnic Institute), Geometric PDEs meet matrix completion: Euclidean distance geometry problem and
beyond

Dec. 14, 16:00-17:00 (Z 301), Dr. Xudong Li (Princeton University), Exploring the Second Order Sparsity in Large
Scale Optimization

Dec. 12, 15:30-16:30 (Z 311), Yuchen Wu (AMSS), An overview of SG methods

Dec. 8, 10:00-11:00 (Z 311), Dr. Jiayi Guo (Operations Research and Information Engineering, Cornell University), Smooth quasi-Newton methods for nonsmooth optimization

Dec. 5, 15:30-16:30 (Z 311), Nachuan Xiao (AMSS), An Introduction to Online PCA

Nov. 29, 16:00-17:00 (N 202), Prof. Dongdong Ge (Shanghai University of Finance and Economics), 数据驱动下的优化决策：思考与实践

Nov. 28, 15:30-16:30 (Z 311), Rui Zhang (AMSS), A Continuous Optimization Model for Spectral Clustering Problems

Nov. 21, 15:30-16:30 (Z 311), Zhe Jin (AMSS), A Levenberg-Marquardt Method For Simplex Constrained Nonlinear Least-Squares

Nov. 14, 15:30-16:30 (Z 311), Kai Fu (AMSS), The Primal-Dual Algorithm of Bilinear Problems

Nov. 9, 10:30-11:30 (Z 301), Prof. Zhennan Zhou (Beijing International Center for Mathematical Research), Path integral molecular dynamics with surface hopping for thermal equilibrium sampling of nonadiabatic systems and its infinite-swap limit

Nov. 9, 9:30-10:30 (Z 301), Prof. Xingyu Gao (Institute of Applied Physics and Computational Mathematics), Introduction to finite-temperature density functional theory calculations

Nov. 9, 8:30-9:30 (Z 301), Prof. Changjun Yu (Shanghai University), A New Computational Approach for Optimal Control Problems with Multiple Time-Delay

Nov. 7, 15:30-16:30 (Z 311), Liang Chen (AMSS), Exact Separation for Network Design Problem

Oct. 31, 15:30-16:30 (Z 311), Xiaoyu Wang (AMSS), A Stochastic Quasi-Newton method for Constrained Nonconvex Stochastic Optimization

Oct. 24, 15:30-16:30 (Z 311), Weikun Chen (AMSS), On Integer Knapsack Polyhedron

Oct. 17, 15:30-16:30 (Z 311), Ruizhi Zhou (AMSS), A Survey of Learning Techniques for Networked Data

Oct. 10, 15:30-16:30 (Z 311), Bin Gao (AMSS), A New Correction Scheme for Optimization with Orthogonality Constraints

Sept. 27, 17:00-18:00 (N 202), Prof. Deyu Meng (Xi'an Jiaotong University), 误差建模原理

Sept. 26, 15:30-16:30 (Z 311), Liaoyuan Zeng (AMSS), Analyze the convergence rate and acceleration of PRP conjugate gradient method with constant step size

Sept. 19, 16:30-17:30 (Z 311), Dr. Pauline Tan (ONERA, the French Aerospace Lab, France), Alternating proximal gradient descent for nonconvex regularised problems with biconvex and multiconvex coupling terms

Sept. 19, 15:30-16:30 (Z 311), Prof. Wotao Yin (University of California, Los Angeles), Coordinate Descent Methods

Sept. 12, 16:30-17:30 (Z 311), Dr. Yin Xian (Hong Kong University of Science and Technology), DCTNet for Audio Signal Classification

Sept. 12, 15:30-16:30 (Z 311), Cheng Chen (AMSS), A multilevel second-order type method for convex problems

Sept. 6, 16:30-17:30 (Z 311), Prof. Nelson Maculan (Federal University of Rio de Janeiro), Using 0-1 variables to solve global optimization models

Sept. 6, 15:30-16:30 (Z 311), Prof. Prof. Houduo Qi (University of Southampton), A Fast Matrix Majorization-Projection Method for Constrained Stress Minimization in MDS

Aug. 30, 16:00-17:00 (Z 311), Prof. Jinyun Yuan (Federal University of Parana, Brazil), Study of Newton method on Riemann manifolds

Aug. 30, 15:00-16:00 (Z 311), Dr. Xiao Zhao (Forschungszentrum Jülich GmbH, Germany), Dynamic flux balance analysis and its application to simulate bioreactors

Aug. 30, 14:00-15:00 (Z 311), Dr. Junchi Li (Princeton University, U.S.), On the rate of convergence for online principal component estimation and tensor decomposition

Aug. 29, 16:30-17:30 (Z 311), Prof. Liqun Qi (Department of Applied Mathematics, The Hong Kong Polytechnic University), Following Galileo Galilei

Aug. 29, 15:30-16:30 (Z 311), Prof. Jianfeng Cai (The Hong Kong University of Science and Technology), Non-Convex Methods for Low-Rank Matrix Reconstruction

Aug. 28-Sep. 1, Sep. 4-Sep. 8, 10:00-12:00 (Lecture Hall of Si Yuan Building), Prof. Yurii Nesterov (Université catholique de Louvain), Methods of Structural Optimization for Large-Scale Optimization Problems

Aug. 3, 10:00-11:00 (Z 311), Prof. Anthony Man-Cho So (Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong), A Unified Approach to Error Bounds for Structured Convex Optimization Problems

Aug. 3, 9:00-10:00 (Z 311), Prof. Shoham Sabach (Israel Institute of Technology), Proximal minimization algorithms for nonconvex and nonsmooth problems

Aug. 1, 16:30-17:30 (Z 311), Rui Zhang (AMSS), A continuous optimization model for spectral clustering problems

Aug. 1, 15:30-16:30 (Z 311), Kai Fu (AMSS), Some Special Cases of the Pooling Problem

July 28, 10:00-11:00 (Z 311), Prof. Yixin Cao (The Hong Kong Polytechnic University), The Storage and Computation of Large Sparse Matrices: Algorithms and Complexity

July 25, 15:30-17:30 (Z 311), Zhe Jin (AMSS), Sequence Linear Regression Model: Applied to Enterprise Credit Evaluation

July 18, 15:30-17:30 (Z 311), Xiaoyu Wang (AMSS), Proximal Quasi-Newton methods for Constrained Nonconvex Stochastic Optimization

July 14, 16:00-17:00 (Z 311), Prof. Chong-Yung Chi (National Tsing Hua University, Hsinchu, Taiwan), Detection of Sources in Non-negative Blind Source Separation by Minimum Description Length Criterion

July 11, 16:30-17:30 (Z 311), Prof. Jinyan Fan (Shanghai Jiao Tong University), The CP-matrix Approximation Problem

July 7, 10:00-11:00 (Z 311), Prof. Jiawang Nie (University of California, San Diego), Bilevel Polynomial Optimization

July 4, 15:30-17:30 (Z 311), Liang Chen (AMSS), A Method to Update Factorizations of the KKT Matrices in Active-set Methods

June 27, 15:30-17:30 (Z 311), Ruizhi Zhou (AMSS), Anomaly detection in dynamic attributed graphs

June 27-June 30, 8:30-11:30 (Z 311), Prof. Florian Jarre (Heinrich-Heine-Universität Düsseldorf), Special topics on conic optimization

June 23, 9:30-10:30 (N 219), Prof. Yinyu Ye (Stanford University), Path-following Algorithms for Optimization

June 23, 8:30-9:30 (N 219), Prof. Hulin Wu (University of Texas Health Science Center at Houston), Big EHR Data：A Directed-Graph Network of Disease Comorbidity

June 22, 10:00-11:00 (Z 301), Prof. Shuzhong Zhang (Department of Industrial and Systems Engineering, University of Minnesota), Noisy Black Box Optimization: Algorithms and Effort Analysis

June 14, 15:30-16:30 (N 202), Prof. Deren Han (Nanjing Normal University), A Primal Douglas-Rachford Splitting Method for Separable Optimization Problems

June 14, 14:30-15:30 (N 202), Prof. Jiming Peng (University of Houston, USA), The Interplay Between Optimization and Data Clustering

June 13, 16:30-17:30 (Z311), Prof. Bingsheng He (Southern University of Science and Technology, Nanjing University), 我和ADMM 20年

June 13, 15:30-16:30 (Z311), Prof. Hongchao Zhang (Louisiana State University), PASA: An efficient software for optimization with polyhedral constraints

June 6, 16:30-18:00 (Z 311), Bin Gao (AMSS), Parallelizable Approach for Orthogonally Constrained Optimization Problem

June 6, 15:30-16:30 (Z 311), Prof. Wujun Li (Nanjing University), 并行与分布式随机学习

June 6, 14:30-15:30 (Z 311), Prof. Michael Hintermueller (Weierstrass Institute for Applied Analysis and Stochastics (WIAS) and Humboldt-Universitaet zu Berlin), Nonsmooth Structures in PDE Constrained Optimization

June 5, 16:00-17:00 (Z 311), Prof. Hao Wu (Tsinghua University), Some recent results for waveform based earthquake location

May 18, 10:00-11:00 (Z 311), Dr. Yong Zhang (Courant Institute of Mathematical Sciences, New York University), Analysis-based fast algorithms for convolution-type nonlocal potential in Nonlinear Schrodinger equation

May 16, 16:00-17:00 (Z 311), Zhilong Dong(AMSS), Ph.D Thesis Defence, 稀疏优化中的若干问题研究

May 16, 15:00-16:00 (Z 311), Dong Kang(AMSS), Ph.D Thesis Defence, 随机性全局优化方法研究

May 16, 14:00-15:00 (Z 311), Ran Gu (AMSS), Ph.D Thesis Defence, 若干最优化问题的理论与算法

May 16, 13:00-14:00 (Z 311), Yakui Huang(AMSS), 天然气稳态运行优化的模型与算法

May 2, 17:00-18:30 (Z 311), Zhilong Dong (AMSS), Pre-thesis Defence, 稀疏优化中的若干问题研究

May 2, 15:30-17:00 (Z 311), Dong Kang (AMSS), Pre-thesis Defence, 随机性全局优化方法研究

April 25, 15:30-17:30 (Z 311), Ran Gu (AMSS), Pre-thesis Defence, 若干最优化问题的理论与算法

April 19, 10:00-11:00 (N 202), Prof. Tanka Nath Dhamala (Central Department of Mathematics, Tribhuvan University, President, Nepal Mathematical Society), Models Variants and Solution Strategies of Evacuation Planning Problems

April 18, 15:30-17:30 (Z 311), Liang Zhao (AMSS), Nonlinear Preconditioning Method for Nonlinear Equations

April 12, 16:30-17:30 (Z 311), Dr. Muhammad Munir Butt (AMSS), Multigrid Solvers for Stokes and Navier-Stokes Control Problems

April 11, 15:30-17:30 (Z 311), Weikun Chen (AMSS), Computational Mixed Integer Programming

March 28, 15:30-16:30 (Z 311), Guohan Zhang (University of Birmingham, UK), Complementarity Problem, Variantional Inequalities and Extended Lorentz Cones

March 21, 15:30-17:30 (Z 311), Cheng Chen (AMSS), Complexity of Multilevel Gradient-Type Methods

March 14, 15:30-17:30 (Z 311), Liaoyuan Zeng (AMSS), Convergence analysis of gradient method in Multi-Objective Optimization

March 7, 15:30-17:30 (Z 311), Zhe Jin (AMSS), An Overview of Indefinite Knapsack Separable Quadratic Problem

March 2, 16:00-17:00 (N 204), Associate Director Jieping Ye (Didi Research Institute), Big Data at Didi Chuxing

Feb. 28, 15:30-16:30 (Z 311), Prof. Jinyan Fan (Shanghai Jiao Tong University), On Subspace Properties of the Quadratically Constrained Quadratic Program

Feb. 21, 15:30-17:30 (Z 311), Kai Fu (AMSS), Nonmonotone Successive Linear Programming and its Application in Pooling Problem

Jan. 3, 16:30-17:30 (Z 311), Prof. Changtong Luo (Institute of Mechanics, CAS), 高?倨?/ 热预测的智能优化方法

Jan. 3, 15:30-16:30 (Z 311), Prof. Zonglin Jiang (Institute of Mechanics, CAS), 高温气动研究进展与问题

Dec. 27, 16:30-17:30 (Z 311), Dr. Ruoyu Sun (Facebook Artificial Intelligence Research, USA), Large Gaps between Gauss-Seidel Type Methods and Randomized Versions

Dec. 27, 15:00-16:30 (Z 311), Liang Chen (AMSS), Convergence of Generalized Alternating Direction Method for the Sum of Two Nonconvex Functions with Linear Constraints

Dec. 22, 9:45-10:45 (N 208), Prof. Yinyu Ye (Stanford University, USA), On Complexity of Nonlinear Optimization Problems and Algorithms

Dec. 21, 16:00-17:00 (N 202), Prof. Xin Chen (University of Illinois at Urbana-Champaign, USA), Stochastic Optimization with Decisions Truncated by Random Variables and Its Applications

Dec. 13, 15:30-17:30 (Z 311), Rui Zhang (AMSS), A Continuous Optimization Model for Spectral Clustering Problem

Dec. 6, 15:30-17:30 (Z 311), Xiaoyu Wang (AMSS), An Overview of Stochastic Gradient Descent Methods

Nov. 29, 15:30-17:30 (Z 311), Weikun Chen (AMSS), Optimizing in Mixed Integer Rounding Cuts

Nov. 22, 15:30-17:30 (Z 311), Liang Zhao (AMSS), Eigendecomposition-based Cubic Regularization with Limited Memory Techniques

Nov. 15, 15:30-17:30 (Z 311), Bin Gao (AMSS), On the Lojasiewicz Exponent of Quadratic Sphere Constrained Optimization Problem

Nov. 8, 15:30-17:30 (Z 311), Ruizhi Zhou (AMSS), Smoothing Trust Region with Application in Nonsmooth Penalized Clustering

Nov. 1, 15:30-17:30 (Z 311), Liaoyuan Zeng (AMSS), Lagrangian Relaxation for QP with Singly Quadratic Constraint and Box Constraints

Oct. 26, 17:00-18:00 (Z 311), Prof. Hulin Wu (University of Texas Health Science Center at Houston), High-Dimensional Differential Equation and Network Modeling for Big Data from Genomics to Phenomics

Oct. 26, 16:00-17:00 (Z 311), Dr. Muhammad Munir Butt (AMSS), A Multigrid Solver for Stokes Control Problems

Oct. 25, 15:30-17:30 (Z 311), Cheng Chen (AMSS), Subspace Multilevel Method for Solving Helmholtz Equation

Oct. 18, 15:30-16:30 (Z 311), Prof. Nelson Maculan (Federal University of Rio de Janeiro, Brazil), Mathematical models with a polynomial number of variables and constraints for some combinatorial optimization problem in graphs

Oct. 11, 16:30-17:30 (Z 311), Prof. Houduo Qi (University of Southampton, UK), Locally Linear Embedding for Metric Dissimilarities

Oct. 11, 15:30-16:30 (Z 311), Prof. Shiqian Ma (The Chinese University of Hong Kong), Structured Nonconvex and Nonsmooth Optimization: Algorithms and Iteration Complexity Analysis

Sept. 27, 15:30-17:30 (Z 311), Dong Kang (AMSS), 2-step Iterative Methods for Nonsymmetric Linear Systems

Sept. 20, 15:30-17:30 (Z 311), Ran Gu (AMSS), Active Set Method for Solving Semidefinite Programming

Sept. 18, 10:30-11:30 (N 702), Prof. Jiawang Nie (University of California at San Diego, USA), Local Versus Global Conditions in Polynomial Optimization

Sept. 13, 15:30-17:30 (Z 311), Zhilong Dong (AMSS), A Unified Recovery Bound Estimation for Noise-Aware Lq Optimization Model in Compressed Sensing

Aug. 4, 11:00-12:00 (Z 311), Prof. Wotao Yin (UCLA, USA), Coordinate Update Algorithms for Image Processing and Machine Learning

July 28, 16:00-17:00 (N 219), Prof. Jinyun Yuan (Federal University of Parana, Brazil), Complexity Bounds for the First and Second Order Optimality of NSC Algorithms

July 26, 10:00-11:00 (Z 311), Prof. Guanghui Hu (University of Macau), A Framework for Adaptive Finite Element Solution of Density Functional Theory

July 22, 16:30-17:30 (N 226), Prof. Zhaosong Lu (Simon Fraser University), Randomized Block First- and Second-order Methods for a Class of Structured Nonlinear Optimization

July 21, 10:00-11:00 (Z 311), Dr. Zhenli Sheng ( 华为技术有限公司，2012?植际剿惴ㄊ笛槭?), An Introduction to Optimization Problems in Cloud Computing and SDN Routing

July 19, 15:30-16:30 (Z 311), Prof. Chong-Yung Chi (Department of Electrical Engineering, National Tsing Hua University, Taiwan), A Fast Hyperplane-based Minimum-Volume Enclosing Simplex Algorithm for Blind Hyperspectral Unmixing

June 16, 10:00-11:30 (N 219), Prof. Dingzhu Du (University of Texas at Dallas, USA), Solution of Bharathi-Kempe-Salek Conjecture on Influence Maximization in Social Networks

June 14, 15:30-16:30 (Z 311), Dr. Shujun Bi (AMSS), 秩约束优化问题的精确罚算法???

May 30, 16:30-17:30 (N 204), Prof. Martin Groetschel (Berlin-Brandenburg Academy of Sciences and Humanities), Optimization, OR, and Digital Humanities

May 27, 10:30-11:30 (Z 311), Prof. Ye Lu (City University of Hong Kong), K-Approximate Convexity and Its Applications

May 24, 16:00-16:45 (Z 311), Chunfeng Cui (AMSS), Ph.D Thesis Defence, 对称张量特征值计算——算法设计与应用

May 24, 15:15-16:00 (Z 311), Ruiyan Zhang (AMSS), Ph.D Thesis Defence, 优化方法在参数识别等问题中的应用

May 24, 14:15-15:00 (Z 311), Shuxiong Wang (AMSS), Ph.D Thesis Defence, 半无限优化问题的可行方法

May 24, 13:30-14:15 (Z 311), Qian Dong (AMSS), Ph.D Thesis Defence, 特殊优?侍獾姆植际?并行算法

May 23, 10:00-11:00 (Z 311), Dr. Jing Qin (The Chinese University of Hong Kong), Applications of Sparse Optimization Methods to Gene Regulation Studies Integrating Multiple OMICs

May 23, 9:00-10:00 (Z 311), Dr. Yaohua Hu (Shenzhen University), Linearized Proximal Algorithms for Convex Composite Optimization with Applications

May 18, 10:00- (N 202), Prof. Zongben Xu (Xi'an Jiaotong University), ADMM：一种大数据计算与学习方法论

May 17, 15:30-17:30 (Z 311), Ruiyan Zhang (AMSS), Pre-thesis Defence, 优化方法在参?侗鸬任侍庵械挠τ?

May 17, 15:30-17:30 (Z 311), Shuxiong Wang (AMSS), Pre-thesis Defence, 半无?抻呕侍?的可行??

May 3, 15:30-17:30 (Z 311), Chunfeng Cui (AMSS), Pre-thesis Defence, 对称张量特征值?扑恪惴ㄉ杓朴胗??

May 3, 8:30-10:30 (Z 311), Qian Dong (AMSS), Pre-thesis Defence, 特殊优化问题的分布式/并行算法

April 22, 15:00-16:00 (N 902), Prof. Wenyan Yuan (Beijing University of Technology), 求解金属团簇最优构型的全局优化算法

April 22, 14:00-15:00 (N 902), Prof. Min Li (Shandong Normal University), Inexactness in Several Decomposition Methods for MINLP

April 20, 15:00-16:00 (Z 305), Qi Meng (School of Mathematical Sciences, Peking University), Asynchronous Accelerated Stochastic Gradient Descent with Variance Reduction

April 20, 14:00-15:00 (Z 305), Dr. Wei Chen (Microsoft Research Asia), An Introduction to Deep Learning: Algorithm and Theory

April 19, 15:30-17:30 (Z 311), Bin Gao (AMSS), A New Framework for Quadratic Orthogonal Constrained Optimization

April 19, 14:30-15:30 (Z 311), Prof. Jianwei Ma (Harbin Institute of Technology), 基于压缩感知的油气勘?椒次侍飧咝阅芗扑?/a>

April 12, 15:30-17:30 (Z 311), Liang Zhao (AMSS), Eigenvalue Decomposition Based Cubic Regularization Algorithm

April 12, 14:30-15:30 (Z 311), Dr. Zhibao Li (AMSS), 波束?纬善魃杓朴胝帕糠匠糖蠼?/p>

April 5, 15:30-17:30 (Z 311), Weikun Chen (AMSS), General Coefficient Tightening Cuts

March 31, 16:00-17:00 (Z 311), Prof. Xiaoming Deng (Institute of Software, CAS), Face Sketch Image Synthesis by Using Sparse Representation

March 22, 15:30-17:30 (Z 311), Cheng Chen (AMSS), A Subspace Multilevel Method for General Nonlinear Optimization

March 17, 16:00-17:00 (Z 311), Prof. Zaiwen Wen (Beijing International Center for Mathematical Research, Peking University), Second-Order Type Methods for Composite Convex Programs

March 15, 15:30-17:30 (Z 311), Liaoyuan Zeng (AMSS), Use Quadratic-Linear Approximation for MOP

March 10, 16:00-17:00 (N 204), Prof. Zexian Cao (Institute of Physics, AMSS), 什么是波

March 8, 15:30-17:30 (Z 311), Ran Gu (AMSS), Semidefinite Penalty Method for QCQP

March 8, 14:00-15:00 (Z 311), Prof. Fanrong Xie (Nanchang University), 面向问题的运筹学应用软件《规划系统》的开?⒂胝雇?

March 1, 15:30-17:30 (Z 311), Dong Kang (AMSS), Analysis of Constrained l2-lp Minimization

Jan. 20, 10:00- (N 702), Prof. Min Tao (Nanjing University), On the Optimal Linear Convergence Rate of a Generalized Proximal Point Algorithm

Jan. 12, 15:30-16:30 (Z 311), Prof. Jinyun Yuan (Federal University of Parana, Brazil), Numerical Methods for 2D and 3D Fractional Convection-Diffusion Differential Equations

Jan. 5, 16:30-17:30 (Z 311), Prof. Mengdi Wang (Princeton University, USA), Recent Advances in Stochastic Gradient Descent

Jan. 5, 15:30-16:30 (Z 311), Prof. Alexei Shadrin (University of Cambridge, UK), The Landau--Kolmogorov Problem and Numerical Differentiation Formulae

Dec. 31, 10:00-11:00 (Z 311), Dr. Wen Huang (Universite catholique de Louvain, Belgium), An Introduction to Riemannian Optimization and Its Applications

Dec. 22, 15:30-17:30 (Z 311), Weikun Chen (AMSS), An Overview of Mixed Integer Programming

Dec. 20, 11:00-12:00 (Z 311), Dr. Bo Jiang (Nanjing Normal University), L_p-norm Regularization Algorithms for Optimization over Permutation Matrices

Dec. 20, 10:00-11:00 (Z 311), Dr. Shu Cai (Nanjing University of Posts and Telecommunications), Blind Array Calibration and Biconvex Compressive Sensing

Dec. 20, 9:00-10:00 (Z 311), Prof. Qingjiang Shi (Zhejiang Sci-Tech University), SINR-Constrained Beamforming for a MIMO Multi-User Downlink System: Algorithms And Convergence Analysis

Dec. 18, 11:00-12:00 (Z 311), Prof. Defeng Sun (National University of Singapore), On the Linear Convergence Rate of Proximal Augmented Lagrangian Method and ADMM for Convex Optimization: Past, Present and Future

Dec. 18, 10:00-10:55 (Z 311), Prof. Yunbin Zhao (University of Birmingham, UK), 1-Bit Compressive Sensing: Sign Recovery Theory

Dec. 18, 9:00-9:55 (Z 311), Prof. Yunbin Zhao (University of Birmingham, UK), Algorithm Development: Seeking Sparsity in Primary Space via Density in Dual Space

Dec. 16, 10:00-11:00 (Z 311), Prof. Wotao Yin (UCLA, USA), Nonconvex ADMM: Convergence and Applications

Dec. 16, 9:00-10:00 (Z 311), Prof. Zhiqiang Sheng (Institute of Applied Physics and Computational Mathematics), 扩散方程的?窍咝员Ｕ袷?/a>

Dec. 15, 15:30-17:30 (Z 311), Liang Zhao (AMSS), A Brief Introduction to Subspace Methods

Dec. 8, 15:30-17:30 (Z 311), Bin Gao (AMSS), A New First-order Framework for a Class of Orthogonal Constrained Optimization Problems

Dec. 1, 15:30-17:30 (Z 311), Liaoyuan Zeng (AMSS), A New Algorithm for Multi—objective Optimization Problem

Nov. 24, 16:30-17:30 (Z 311), Prof. Shiqian Ma (The Chinese University of Hong Kong), Stochastic Quasi-Newton Methods for Nonconvex Stochastic Optimization

Nov. 24, 15:30-16:30 (Z 311), Prof. Hong-Kun Xu (Hangzhou Dianzi University), Algorithmic Approaches to Big Data Optimization

Nov. 24, 14:00-15:00 (Z 311), Prof. Xinmin Yang (Chongqing Normal University), 向量优化问题研究的一些进??/a>

Nov. 21, 14:30-15:30 (N 202), Prof. Yanqin Bai (Shanghai University), 加速梯度方法求解非线性规划?侍獾娜舾山?/a>

Nov. 18, 15:00-16:00 (Z 311), Prof. Zhongwen Chen (Soochow University), Global and Local Convergence of a Line-search Filter Method for Nonlinear Semidefinite Programming

Nov. 17, 15:30-17:30 (Z 311), Cheng Chen (AMSS), Some Initial Ideas on Subspace Multilevel Method

Nov. 10, 15:30-17:30 (Z 311), Dong Kang (AMSS), Try to Compare Three Types of Coordinate Descent Method

Nov. 3, 16:30-17:30 (Z 311), Prof. Na Lei (Jilin University), Computing Hyper-Elliptic Symmetry for General Surfaces

Nov. 3, 15:30-16:30 (Z 311), Prof. Xianfeng Gu (Stony Brook University), Discrete Surface Uniformization, Theory and Algorithms

Oct. 27, 15:30-17:30 (Z 311), Ran Gu (AMSS), l_0 Optimization

Oct. 20, 15:30-16:30 (Z 311), Associate Prof. Lingfeng Niu (School of Economics and Management, UCAS), Nonparallel Support Vector Ordinal Regression

Oct. 13, 15:30-17:30 (Z 311), Qian Dong (AMSS), About Parallel Subspace Correction Method for Strongly Convex Problems

Oct. 12, 9:30-10:30 (N 202), 尚根华 (中石化石勘院), 缝洞型油藏不确定性优化方法

Oct. 12, 8:30-9:30 (N 202), 崔书岳 (中??化石勘?, 缝洞型油藏数?的Ｄ飧ㄖ?史拟?方?

Sept. 29, 16:00- (N 202), Prof. Gerhard Wascher (Otto-von-Guericke-University), A Vehicle Routing Problem in Glass Waste Collection

Sept. 29, 15:00-16:00 (N 202), Dr. Muhammad Munir Butt (AMSS), Formulation and Multigrid Solution of Cauchy-Riemann Optimal Control Problems

Sept. 29, 10:00-11:00 (N 202), Prof. Yiping Lu (Beijing Jiaotong University), Leapro -- A Lean and Productive OR Tool and Applications

Sept. 29, 9:00-10:00 (N 202), Prof. Guochuan Zhang (Zhejiang University), Approximation and Hardness

Sept. 24, 16:30-17:30 (N 202), Prof. Liqun Qi (Hong Kong Polytechnic University), Tensor Analysis, Computation and Applications

Sept. 24, 15:30-16:30 (N 202), Prof. Qingzhi Yang (Nankai University), The Spectral Radii of Nonnegative Tensors and Algorithms Solving Them

Sept. 22, 15:30-17:30 (Z 311), Chunfeng Cui (AMSS), Computing the Largest H-eigenvalue of the K-uniform Hypergraph Laplacian Tensor

Sept. 15, 15:30-17:30 (Z 311), Prof. Xin Liu (AMSS), A Gradient Reflection Method for Solving a Class of Orthogonal Constrained Optimization Problems

Sept. 8, 15:30-17:30 (Z 311), Shuxiong Wang (AMSS), A Two-stage Restriction Approach for Linear Semi-Infinite Optimization

Sept. 7, 16:00-17:00 (Z 311), Dr. Yan Xie (Microsoft), Introduction of Ranking Pipeline and Challenges of Algorithms & Applications

Aug. 27, 16:00-17:00 (Z 311), Prof. Ran Zhang (College of Mathematics, Jilin University), Weak Galerkin Finite Element Scheme and Its Applications

Aug. 27, 15:00-16:00 (Z 311), Prof. Liwei Xu (College of Mathematics and Statistics, Chongqing University), Modeling and Computation for the Electromagnetic Waves in Metallic Nanostructures

Aug. 25, 16:00-17:00 (Z 311), Dr. Leqin Wu (Department of Mathematics, Jinan University, Guangzhou), ODE Inverse Problem and Its Simulations

Aug. 23, 9:30- (N 226), Prof. Yinyu Ye (Stanford University, USA), Distrubuted Solvers for Linear Programming

Aug. 20, 11:00-12:00 (Z 311), Prof. Wei Yu (Electrical and Computer Engineering Department, University of Toronto, Canada), Interference Mitigation using Device-to-Device Link

Aug. 18, 11:00-12:00 (Z 311), Prof. Wei Yu (Electrical and Computer Engineering Department, University of Toronto, Canada), Cloud Radio Access Networks Part II : Optimization Algorithms

Aug. 18, 10:00-11:00 (Z 311), Prof. Wei Yu (Electrical and Computer Engineering Department, University of Toronto, Canada), Cloud Radio Access Networks Part I : System Model and Capacity Analysis

Aug. 18, 8:50-9:50 (Z 311), Dr. Zaikun Zhang (IRIT-ENSEEIHT, Toulouse, France), The Worst Case Complexity of Direct Search and the (Unexpected) Mathematics in It

July 31, 16:30-17:30 (Z 311), Dr. Xiaojing Ye (Department of Mathematics & Statistics, Georgia State University, USA), Fast Decentralized Gradient Descent Method

July 31, 15:30-16:30 (Z 311), Dr. Mingyi Hong (Department of Industrial and Manufacturing Engineering,Iowa State University, USA), Iteration Complexity Analysis of Block Coordinate Descent Methods: Sublinear Convergence and Improved Rates

July 31, 10:30-11:30 (Z 311), Dr. Guanghui Lan (Department of Industrial and Systems Engineering, University of Florida, USA), "Sparse" computation of gradients for optimization with large data sets

July 27, 10:30-11:30 (Z 311), Prof. Hulin Wu (University of Rochester, USA), Computerized Data-Driven Medicine in the Big Data Era

July 8, 16:00-17:00 (Z 301), Dr. Ruoyu Sun (Department of Management Science & Engineering, Stanford University, USA), Guaranteed Matrix Completion via Non-convex Factorization

July 7, 16:00-17:30 (Z 311), Prof. Chong-Yung Chi (Institute of Communications Engineering & Department of Electrical Engineering National Tsing Hua University, Hsinchu, Taiwan), Multicell Coordinated Beamforming with Rate Outage Constraint

June 23, 16:30-17:30 (Z 311), Dr. Lin Xiao (Microsoft Research), Stochastic Primal-Dual Coordinate Method for Regularized Empirical Risk Minimization

June 23, 15:30-16:30 (Z 311), Dr. Lin Xiao (Microsoft Research), Communication-Efficient Distributed Optimization of Self-Concordant Empirical Loss

June 18, 10:00-11:00 (Z 301), Prof. Yin Zhang (Rice University, USA), A New Approach to Solving the K-Means Clustering Problem

June 17, 10:30-11:30 (Z 311), Prof. Huiyan Sang (Texas A&M University, USA), Smoothed Full-scale Covariance Approximation for Large Spatial Data Sets

June 16, 15:30-17:00 (Z 311), Associate Prof. Yuantao Gu (Dept. EE, Tsinghua University), Sparse Signal Recovery via Non-convex Optimization

June 9, 15:30-17:30 (Z 311), Dr. Shujun Bi (AMSS), Error Bounds for Several Classes of Rank Constrained Optimization Problems and Applications

June 4, 16:00-17:00 (Z 311), Prof. Zaiwen Wen (Beijing International Center for Mathematical Research, Peking University), Block Algorithms with Augmented Rayleigh-Ritz Projections for Large-scale Eigenpair Computation

June 4, 15:00-16:00 (Z 311), Prof. Xue-Cheng Tai (Department of Mathematics, University of Bergen, Norway), Continuous Max-flow and Global Minimization for Classification of High Dimensional Data

June 4, 14:00-15:00 (Z 311), Prof. Bingsheng He (Nanjing University), Some Recent Developments of ADMM for Separable Convex Optimization

June 2, 15:30-17:30 (Z 311), Pengyu Qian (Peking University), A Composite Risk Measure Framework for Decision making under Uncertainty

May 26, 15:30-17:30 (Z 311), Liaoyuan Zeng (AMSS), Convegence Analysis and Numerical Experiment of Steepest Descent Method for Multi-objective Optimization

May 22, 10:30-11:30 (N 226), Prof. Jiming Peng (University of Houston), New Global Optimization Algorithm for Linearly Constrained Quadratic Programming with a Few Negative Eigenvalues

May 19, 15:00-16:00 (Z 311), Tianxiang Liu (AMSS), PHD Thesis Defence, 三类非光滑优化问?饧捌湓谖尴叽衅鞫ㄎ恢械?τ?/p>

May 19, 14:00-15:00 (Z 311), Zhenli Sheng (AMSS), PHD Thesis Defence, 距离几何问题的理论，算法与应用

May 14, 14:00-16:00 (Z 311), Tianxiang Liu (AMSS), Pre-thesis Defence

May 5, 15:30-17:30 (Z 311), Zhenli Sheng (AMSS), Pre-thesis Defence, 距离几何问题的理论，算法及应用

April 28, 15:30-17:30 (Z 311), Cheng Chen (AMSS), A Subspace Two-level Method for Quadratic Convex Functions

April 21, 15:30-17:30 (Z 311), Dong Kang (AMSS), Some Discussions about Randomly Permuted ADMM

April 14, 15:30-17:30 (Z 311), Zhilong Dong (AMSS), Convergence Analysis of Inexact Proximal Quasi-Newton Method for l_1 Regularized Optimization

April 7, 15:30-17:30 (Z 311), Ran Gu (AMSS), First Order Subspace Affine Scaling Method

April 4, 10:30-11:30 (N 202), Prof. Yinyu Ye (Stanford University), Optimization with Uncertain, Online and Massive Data

March 31, 15:30-17:30 (LBB 311), Chunfeng Cui (AMSS), A Two-Stage Algorithm for MINLP Applied in Utility Problem

March 24, 15:30-17:30 (LBB 311), Qian Dong (AMSS), Convergence Properties of PSCL for Composite Convex Optimization and Preliminary Numerical Experiments of PSCS

March 23, 11:00-12:00 (LBB 311), Prof. Shiqian Ma (The Chinese University of Hong Kong), New Ranks for Even-Order Tensors and Their Applications in Low-Rank Tensor Optimization

March 23, 10:00-11:00 (LBB 311), Prof. Nelson Maculan (Federal University of Rio de Janeiro), Solving Steiner tree problem in graphs with a polynomial number of variables and constraints

March 21, 16:30-17:30 (N 202), Prof. Zongben Xu (Xi'an Jiaotong University), ADMM的收敛性及其在稀?栌呕械挠τ?/a>

March 17, 16:30-17:30 (LBB 311), Prof. Jinyan Fan (Shanghai Jiaotong University), The subspace properties and exact Jacobian SDP relaxation of the Celis-Dennis-Tapia problem

March 17, 15:30-16:30 (LBB 311), Associate Prof. Junfeng Yang (Nanjing University), Inertial proximal point method and inertial ADM

March 10, 15:30-17:30 (LBB 311), Shuxiong Wang (AMSS), A note on the convergent rate of feasible discretization method for semi-infinite programming

January 14, 10:15-11:15 (N 210), Prof. Deren Han (Nanjing Normal University), The Kurdyka-Lojasiewicz Inequality and Its Applications in Solving Nonconvex Separable Optimization Problems

January 13, 16:30-17:30 (N 210), Prof. Yanping Chen (South China Normal University), A Legendre–Galerkin spectral method for optimal control problems governed by stokes equations

January 13, 15:30-16:30 (N 210), Dr. Chengcheng Huang (Courant Institute, New York University), A Neuronal Network Model for Context-Dependent Perceptual Decision on Ambiguous Sound Comparison

January 09, 16:00-17:00 (N 702), Prof. Bin Dong (Peking University), Wavelet Frame Transforms and Differential Operators: Bridging Discrete and Continuum for Image Restoration and Data Analysis

January 06, 16:30-17:30 (N 210), Prof. Ruey-lin Sheu (National Chung Kung University, Taiwan), A convex-based approach for solving quadratic programming with linear inequality constraints

December 23, 15:30-17:30 (N 210), Liaoyuan Zeng (AMSS), Review on the techniques exploited by multi-objective optimization

December 16, 16:30-17:30 (N 210), Prof. Oleg Burdakov (Linkoping University, Sweden), On a Reduction of Cardinality to Comlementarity in Sparse Optimization

December 16, 15:30-16:30 (N 210), Prof. Yuanwei Qi (University of Central Florida, USA), Existence and Non-Existence of Traveling Wave Solutions to Predator-Prey Systems

December 16, 14:30-15:30 (N 210), Associate Prof. Wing-Kin (Ken) Ma (The Chinese University of Hong Kong), Hyperspectral Unmixing in Remote Sensing: What Do Signal Processing People Learn from There?

December 15, 14:00-15：00 (N 702), Prof. Michael Saunders (Stanford University, USA), Experiments with linear and nonlinear optimization using Quad precision

December 13, 16:30-17:30 (N 210), 黄?交?博士 (中国电力科学研究院), 计及风电功率波动影响的风电场集群无功电压协调优化控制策略

December 13, 15:30-16:30 (N 210), Prof. Yinyu Ye (Stanford University, USA), Warmstarting the Homogeneous and Self-Dual Interior Point Method for Linear and Conic Quadratic Problems

December 13, 14:00-15:20 (N 210), Associate Prof. Zhouwang Yang ( University of Science and Technology of China), 优化?惴ǹ纯獯罱?/a>

December 11, 10:30-11:30 (N 702), Prof. Luis Roman Lucambio Perez (Universidade Federal de Goias, Brazil), Non-linear conjugate gradients algorithm in Vector Optimization

December 11, 09:30-10:30 (N 702), Prof. Nelson Maculan (Federal University of Rio de Janeiro, Brazil), Integer linear models with a polynomial number of variables and constraints for some classical combinatorial optimization problems

December 09, 15:30-17:30 (N 210), Cheng Chen (AMSS), A New Subspace Multilevel Method Framework for Nonlinear Optimization

December 02, 15:30-17:30 (N 210), Dong Kang (AMSS), New Strategies of Stochastic RBF Method for Expensive Black-box Global Optimization

November 25, 16:30-17:30 (N 210), Anya Lin (USTC), Decentralized privacy-preserving low-rank matrix completion

November 25, 15:30-16:30 (N 210), Prof. Lizhi Liao (Hong Kong Baptist University), Interior Point Neurodynamic Approach for Convex Quadratic Programming

November 18, 15:30-17:30 (N 210), Zhilong Dong (AMSS), A general proximal quasi_Newton method for solving l_1 regularized least square problem

November 04, 15:30-17:30 (N 210), Ran Gu (AMSS), Application of Active Set Method to LASSO

October 28, 15:30-16:30 (N 210), Prof. Jingyun Yuan (Federal University of Parana, Brazil), Some Research Methodologies in Applied and Computational Mathematics

October 21, 15:30-17:30 (N 210), Chunfeng Cui (AMSS), Nonmonotone Succssive Linear Programming and its Application in Utility Problems

October 17, 10:00-11:00 (N 204), Prof. Qing Ling (USTC), Decentralized Dynamic Optimization Through the Alternating Direction Method of Multipliers

October 16, 10:30-11:30 (N 204), Prof. Zhu Han (University of Houston), Compressive Collaborative Spectrum Sensing for Cognitive Radio

October 14, 15:30-17:30 (N 210), Shuxiong Wang (AMSS), An Efficient Sequential Quadratic Program Method for Semi-Infinite Optimization

September 30, 15:30-16:30 (N 210), Qian Dong (AMSS）, A Parallel Line Search Subspace Correction Method for Convex Optimization Problems

September 23, 15:30-16:30 (N 210), Prof. Yanqin Bai (Shanghai University）, Consensus proximal support vector machine for classification problems with sparse solutions

September 16, 15:30-17:30 (N 210), Zhenli Sheng (AMSS）, Some New Thoughts on Distance Geometry Problem: Error Accumulation, Laplacian and Stress Majorization

September 09, 15:30-17:30 (N 210), Dr. Zhibao Li (AMSS）, A new method for the optimal beamformer design

September 01, 16:30-17:30 (N 202), Prof. Wotao Yin（UCLA, USA）, Decentralized Optimization

September 01, 15:30-16:30 (N 202), Prof. Stephen Wright (University of Wisconsin-Madison, USA), Convex Relaxations for Vector Permutation Problems

September 01, 11:00-12:00 (Z 311), Dr. Yanfang Zhang (AMSS), Stochastic Programming and Applications in Power Systems

September 01, 10:00-11:00 (Z 311), Prof. Liwei Zhang (Dalian University of Technolog), Perturbation Analysis of SC1 Programming Problems

September 01, 09:00-10:00 (Z 311), Associate Prof. Xiaoming Yuan (Hong Kong Baptist University), Some Mathematical Revisits to Image Processing Models

Augst 31, 14:30-15:30 (Z 311), Dr. Bo Jiang (Shanghai University of Finance and Econnomics), On Cones of Nonnegative Quartic Forms

Augst 31, 13:30-14:30 (Z 311), Prof. Shiqian Ma (The Chinese University of Hong Kong), Penalty Methods with Stochastic Approximation for Stochastic Nonlinear Programming

Augst 5, 16:30-17:30 (Z 311), Mphil. Hong Wang（The Hong Kong Polytechnic University）, On the Global Optimality for Linear Constrained Rank Minimization Problem

Augst 5, 15:30-16:30 (Z 311), Dr. Yaohua Hao（The Hong Kong Polytechnic University）, Group sparse optimization via lp;q regularisation

July 24, 10:30-11:30 (N 702), Prof. Fengmin Xu (*XJTU*), On Cardinality Constrained Optimization: Some Models and Algorithms

July 24, 09:30-10:30 (N 702), Associate Prof. Zhaosong Lu (Simon Fraser University, Canada), Efficient Approaches for Two Big Data Matrix Optimization Problems

July 18, 16:00-17:00 (N 702), Assistant Prof. Shu Lu（University of North Carolina）, Confidence regions and intervals for stochastic variational inequalities

July 08, 16:30-17:30 (Z 311), Associate Prof. Yong Xia (BUAA), Local and Global Minimizers of the Regularised Subproblem in

Optimization

July 08, 15:30-16:30 (Z 311), Prof. Zhijun Wu (Iowa State University), Evolution of Social Cliques

July 04, 14:30-15:30 (Z 311), Prof. Jiming Peng (University of Houston), Challenges and opportunities for optimization in financial engineering

July 01, 16:30-17:30 (Z 311), Prof. Jingyun Yuan (Federal University of Parana, Brazil), Computational Methods for Generalized Inverse

July 01, 15:30-16:30 (Z 311), Zhilong Dong (AMSS), L-BFGS combined with IPM for convex composite optimization

June 26, 16:00-17:00 (Z 311), Prof. Chih-Jen Lin (National Taiwan University), Optimization methods for large-scale linear classification

June 26, 10:00-11:00 (Z 311), Prof. Jieping Ye (Arizona State University, US), Sparse Screening for Exact Data Reduction

June 25, 10:00-11:00 (Z 301), Dr. Ruoyu Sun (University of Minnesota), Joint Base Station Association and Power Control: Computation and Complexity

June 24, 15:30-16:30 (Z 311), Dong Kang (AMSS), Radial Basis Function Method in Expensive Black Box Global Optimization

June 17, 16:30-17:30 (Z 311), Assistant Prof. Shiqian Ma (The Chinese University of Hong Kong), Recent Developments of Alternating Direction Method of Multipliers with Multi-Block Variables

June 17, 15:30-16:30 (Z 311), Prof. Zhijun Wu (Iowa State University), Optimality, Stability, and Complexity of Symmetric Evolutionary Games

June 10, 15:30-16:30 (Z 311), Prof. Wotao Yin (UCLA, USA), Fundamental Convergence Rates of Convex Operator Splitting Schemes

June 09, 10:20-12:20 (N 702), Associate Prof. Zhaosong Lu (Simon Fraser University, Canada), A Randomized Nonmonotone Block Proximal Gradient Method for a Class of Structured Nonlinear Programming

June 06, 08:30-12:00 (N 902), Associate Prof. Zhaosong Lu (Simon Fraser University, Canada), Randomized block coordinate descent method for convex composite minimization

June 3, 15:30-16:30 (LBB 311), Prof. Yin Zhang (Rice University), An Efficient Gauss-Newton Algorithm for Symmetric Low-Rank Product Matrix Approximations

June 2, 10:00-11:00 (LBB 311), Prof. Zhi-Quan Luo (University of Minnesota), Optimal Joint Provision of Backhaul and Radio Access Networks

May 31, 10:00-11:00 (LBB 311), Prof. Xiaojun Chen (PolyU), Feasible Smoothing Quadratic Regularization Method for Box Constrained Non-Lipschitz Optimization

May 14, 16:00-17:00 (LBB 311), Dr. Xiaoting Wang (Research Laboratory of Electronics, Massachusetts Institute of Technology), When Bernoulli Met Gauss--How to make differential geometry useful for quantum gate generation

May 13, 14:00-17:30 (LBB 311), Thanawath Niyamosoth, Rui Diao, Wenhui Zhang (AMSS), Thesis Defense

May 08, 16:00-17:00 (LBB 311), Yanfei Wang (Institue of Geology and Geophysics, CAS), Geophysical Data Regularization and Sparse Inversion Imaging

May 06, 16:00-18:00 (LBB 311), Thanawath Niyamosoth (AMSS), Pre-thesis Defense, Studies on Inventory Models with Machine Breakdowns

April 29, 15:30-17:30 (LBB 311), Wenhui Zhang (AMSS), Pre-thesis Defense, 基于聚类分析的磁共振图像脑白质病变自动分割算法研究

April 29, 14:15-15:15 (LBB 311), Haiyang Yu (China Academy of Civil Aviation Science and Technology), 旅行商问题（Traveling Salesman Problem）的明天

April 22, 15:30-17:30 (LBB 311), Rui Diao (AMSS), Pre-thesis Defense, 石油化工?氲缌蒲У攘煊蛑械囊恍┲匾呕侍庥胨惴?/p>

April 8, 15:30-17:30 (LBB 311), Ran Gu (AMSS), Geometry and a Simplex-Type Method for a Low-Rank Quadratic Semidefinite Programming

April 1, 15:30-17:30 (LBB 311), Chunfeng Cui(AMSS), The Sequential Subspace Projection Method with Newton Direction for Extreme Z-eigenpaires of Symmetric Tensors

Mar 25, 15:30-17:30 (LBB 311), Shuxiong Wang (AMSS), Feasible Method for Linear Semi-Infinite Programs

Mar 18, 15:30-17:30 (LBB 311), Qian Dong (AMSS), Domain Decomposition with Line Search Strategies

Mar 11, 15:30-17:30 (LBB 311), Tianxiang Liu (AMSS), Some Results about Unique Localization

Mar 4, 15:30-17:30 (LBB 311), Zhenli Sheng (AMSS), Molecular Conformation Problem

Feb 25, 15:30- (LBB 311), Dr. Yong Xia (BUAA), Strong Duality in Optimization: Shifted p-th Power Formulation

Feb 18, 15:30- (LBB 311), Dr. Cong Sun (BUPT), Methods for Special Structured Quadratic Constrained Quadratic Programmings

Feb 13, 15:00- (LBB 311), Dr. Xingju Cai (NNU), Some Splitting Methods for Convex Optimization and Monotone Variational Inequality

Jan 21, 16:30-17:30 (LBB 311), Prof. Zhaoyang Dong (The University of Sydney, Australia)、Dr. Junhua Zhao (The University of Newcastle, Australia), 计及大量分布式设备的智能电网运行

Jan 21, 15:30-16:30 (LBB 311), Qian Dong (AMSS), Domain Decomposition for Total Variation Minimization

Jan 21, 10:15-11:15 (LBB 311), Ran Gu (AMSS), An Introduction to Extracting Technique from Semidefinite Relaxation

Jan 21, 9:15-10:15 (LBB 311), Prof. Deren Han (NNU), A customized Douglas-Rachford splitting algorithm and its application in Dantzig Selector

Jan 14, 15:30-17:30 (LBB 311), Zhilong Dong (AMSS), Some Stochastic Approximation Methods

Jan 7, 15:30-17:30 (LBB 311), Shuxiong Wang (AMSS), Feasible Method for Semi-Infinite Programs with Arbitrary Index Set

Dec 31, 15:30-17:30 (LBB 311), Dong Kang (AMSS), Global Optimization Based on Response Surfaces

Dec 30, 10:30- (LBB 311), Yinyu Ye (Stanford University), The Direct Extension of ADMM for Multi-block Convex Minimization Problems is Not Necessarily Convergent

Dec 24, 15:30-17:30 (LBB 311), Chunfeng Cui (AMSS), Computing Several Largest Real Eigenpairs of Symmetric Tensors

Dec 11, 15:30-17:00 (LBB 311), Associate Prof. Zhaosong Lu (Simon Fraser University, Canada), Iterative Reweighted Singular Value Minimization Methods for lp Regularized Unconstrained Matrix Minimization

Dec 11, 14:30-15:15 (LBB 311), Associate Prof. Zhaosong Lu (Simon Fraser University, Canada), Iterative Reweighted Minimization Methods for lp Regularized Unconstrained Nonlinear Programming

Dec 10, 15:30-17:30 (LBB 311), Prof. Raimundo J. B. de Sampaio (Pontifical Catholic Univ. of Parana, Brazil), The problem of Lead Time in Production Planning Problem: Coupling Linear Programming Models and Clearing Function

Dec 3, 15:30-17:30 (LBB 311), Tianxiang Liu (AMSS), L2—Lp matrix minimization on sensor network localization

Nov 26, 15:30-17:30 (LBB 311), Dr. Yafeng Liu (AMSS), Joint Subcarrier and Power Allocation for Multi-User OFDMA Systems

Nov 19, 15:30-17:00 (LBB 311), Prof. Naihua Xiu (BJTU), 稀疏优化与低秩矩阵优化

Nov 12, 15:30-17:30 (LBB 311), Thanawath Niyamosoth (AMSS), Optimal Inventory Policy under Disruptions due to Machine Breakdowns and Imperfect Repairs

Nov 7, 16:00-17:00 (LBB 311), Prof. Wenxun Xing (THU), Quadratic-Function Conic Programming: Models and Conic Approximation Methods

Nov 7, 14:30-15:30 (LBB 311), Prof. Orizon P. Ferreira (Universidade Federal de Goiás, Brazil), A robust Kantorovich’s theorem on inexact Newton’s method with relative residual error tolerance

Nov 5, 15:30-17:30 (LBB 311), Zhenli Sheng (AMSS), Some Topics in Distance Geometry

Oct 29, 15:30-17:30 (LBB 311), Wenhui Zhang (AMSS), Exemplar-based Clustering Algorithms

Oct 22, 15:30-17:30 (LBB 311), Rui Diao (AMSS), Analysis for Unit Commitment in Power System

Oct 17, 16:30-17:30 (LBB 311), Prof. Yuanwei Qi (University of Central Florida), Existence and Non-existence of Traveling Waves in Isothermal Chemical Reaction Systems

Oct 15, 15:30-17:30 (LBB 311), Dr. Yanfang Zhang (AMSS), Gradient Consistency of Smoothing Functions for the Integrable Functions and Applications

Oct 8, 15:30-17:30 (LBB 311), Geovani Nunes Grapiglia (Federal University of Parana, Brazil), On the convergence and worst-case complexity of trust-region and regularization methods for unconstrained optimization

Sept 17, 15:30-16:30 (LBB 311), Prof. Wotao Yin (UCLA, U.S.A ), Distributed Sparse Optimization

Sept 17, 09:00-10:00 (LBB 311), Prof. Hulin Wu (University of Rochester), Issues for High-Dimensional Optimization, System Analysis and Control in Systems Biology Research

Sept 9, 11:00-12:00 (LBB 311), Prof. Hulin Wu (University of Rochester), Using Rocket Science Concepts for Systems Biology Research: Mathematical and Statistical Challenges

Sept 9, 10:00-11:00 (LBB 311), Prof. Chao Yang (Lawrence Berkeley Laboratory, U.S.A), Alignment and Reconstruction Optimization for Soft X-ray Cell Tomography

Sept 3, 16:30-17:30 (LBB 311), Dr. Zaikun Zhang (University of Coimbra, Portugal), Direct search based on probabilistic descent

Sept 3, 15:30-16:30 (LBB 311), Prof. Thorsten Koch (Zuse Institute Berlin), Mixed Integer Non-linear Programs for Gas Network Optimization

Aug 29, 16:00-17:00 (LBB 311), Prof. Jinyun Yuan (巴西巴拉那联邦大学), Modeling and Optimization of an Ammonia Reactor using a Penalty-like Method

August 6, 16:30-17:30 (LBB 311), Assistant Prof. Tsung-Hui Chang ( Taiwan University of Science and Technology), Decentralized demand side management for future smart grid networks

August 6, 15:00-16:00 (LBB 311), Associate Prof. Anthony Man-Cho So ( Chinese University of Hong Kong ) , Linear Convergence of the Proximal Gradient Method for Structured Trace Norm

August 5, 10:00-11:00 (LBB 311), Associate Prof. Yilun Wang ( University of Electronic Science and Technology of China), SOARS: Statistical and Optimization Analysis and Response Surfaces for Computationally Expensive Models

July 25, 11:00-12:00 (LBB 311), Prof. Xiaojun Chen ( Hong Kong Polytechnic University) , Worst case complexity of nonconvex non-Lipschiz minimization for sparse

approximation

July 25, 10:00-11:00 (LBB 311), Prof. Yinyu Ye (Stanford University) , Recent Progresses on Solving the Trust-Region Subproblems

July 23, 15:30-16:30 (LBB 311), Prof. Chong-Yung Chi(祁忠勇) (National Tsing Hua University, Hsinchu, Taiwan) , Efficient Beamforming Algorithms

for Outage Constrained Weighted Sum-Rate Maximization in MISO Interference Channel

July 9, 16:30-17:30 (LBB 311), Prof. Dewang Chen (Beijing Jiao Tong University), Nonlinear PCA Algorithms with two fixed endpoints and its applications

July 9, 15:30-17:00 (LBB 311), Qian Dong (AMSS), Distributed Optimization Approaches

July 5, 15:30-16:30 (LBB 311), Prof. Oleg Burdakov (Link?ping University, Sweden), Limited-memory Methods with Shape Changing Trust Region

July 5, 14:30-15:30 (LBB 311), Prof. Jiming Peng ( UIUC, USA ), Separable nonconvex quadratic optimization with applications to optimal asset deleveraging strategies with linear price impact

July 2, 15:30-17:00 (LBB 311), Shuxiong Wang (AMSS), Feasible Iteration Method for Semi-Infinite Program

June 25, 15:30-17:00 (LBB 311), Chunfeng Cui (AMSS), Computing k-th Largest Eigenvalues of Supersymmetric Tensors

June 20, 10:00-11:00 (LBB 311), Prof. Liqun Qi ( The Hong Kong Polytechnic University), The Laplacian Eigenvalues of a Uniform Hypergrap

June 20, 8:30-9:30 (LBB 311), Dr. Shiqian Ma (The Chinese University of Hong Kong), Low-Rank Tensor Optimization Problems

June 18, 15:30-17:00 (LBB 311), Prof. Zhongwen Chen (Soochow University), A Line Search Exact Penalty Method with Bi-objective Strategy for Nonlinear Constrained Optimization

June 4, 15:30-17:00 (LBB 311), Tianxiang Liu (AMSS), A node-based SDP relaxation approach for Sensor Network Localization

May 28, 15:30-16:30 (LBB 311), Dr. Xiao Wang (University of Chinese Academy of Sciences), On the Convergence of the Self-Consistent Field Iteration for Solving the Kohn-Sham Equation

May 23, 9:00-10:00 (LBB **301**), Prof. Yinyu Ye ( Stanford University, USA), Complexity Analysis beyond Convex Optimization

May 21, 14:30-17:00 (LBB 311), Cong Sun, Bo Jiang (AMSS), Ph.D thesis defense： 无线通信中的资源配置优化和参数设计问题--?舾傻透丛佣人惴ㄑ芯浚舾商厥庥呕侍庖约坝τ?/p>

May 14, 15:30-17:00 (LBB 311), Bo Jiang (AMSS), Pre-defense for Ph.D： 若干特殊优化?侍庖约?应?/p>

May 7, 15:30-17:00 (LBB 311), Cong Sun (AMSS), Pre-defense for Ph.D：无线通信中的资源配置优化和参数设计问题--若干低复?佣人惴ㄑ芯?/p>

Apr 19 (Friday), 15:30-16:30 (Lecture Hall in Siyuan Building), Prof. Martin Groetschel (ZIB, Matheon and TU Berlin, Germany), Minkowski, convexity and some remarks on the history of optimization

Apr 23, 15:40-16:40 (LBB 311), Prof. Yong Xia (Beihang University), New results on L_1-constrained nonconvex quadratic optimization problem

Apr 16, 15:30-17:00 (LBB 311), Dr. Alexander Engau (Mathematical & Statistical Sciences, UC Denver), Recent Progress with Interior-Point/Cutting-Plane Methods in Combinatorial Optimization

Apr 9, 15:30-17:00 (LBB 311), Zhenli Sheng(AMSS), A Buildup-based Error Minimization Method with Application to Protein Structure Determination

Apr 2, 15:30-17:00 (LBB 311), Thanawath Niyamosoth,

Mar 26, 15:30-17:00 (LBB 311), Wenhui Zhang(AMSS), Acceleration of EM algorithm by using Quasi-Newton Trust Region Method

Mar 19, 15:30-17:00 (LBB 311), Rui Diao(AMSS), Paralled Stochastic Radial Basis Function Method and Its Application on Groundwater Problem

Mar 12, 15:30-17:00 (LBB 311), Dr. Xin Liu(AMSS), Trace-Penalty Minimization for Large-scale Eigenspace Computation and Beyond

Mar 5, 15:30-17:00 (LBB 311), Geovani Nunes Grapiglia(Universidade Federal do Paraná), A Subspace Version of the Powell-Yuan Trust-Region Algorithm for Equality constrained Optimization

Jan 22, 15:30-17:00(LBB 311), Shuxiong Wang(AMSS),

Jan 18, 9:30-11:00(LBB 311), Qian Dong(AMSS),

Jan 8, 15:30-17:00(LBB 311), Zhenli Sheng(AMSS), A New Error Function and Its Application on Distance Geometry Problem

Dec 25, 15:30-17:00(LBB 311), Tianxiang Liu(AMSS), Facial Reduction for Sensor Network Localization with Noise

Dec 19, 10:00-11:00(LBB 311), Prof. Wotao Yin, (Rice University, U.S.A), Smoothed sparse optimization

Dec 18, 15:30-17:00(LBB 311), 杨洪明 ?淌?( ?ど忱砉ご笱У缙胄畔⒐?程学?), 绿色电力供应优化决策建模及计算方法研究

Dec 11, 15:30-17:00(LBB 311), Chunfeng Cui(AMSS), Polynomial Optimization and Supersymmetric Tensor Eigenvalue Problems

Dec 4, 15:30-17:00(LBB 311), Thanawath Niyamosoth(AMSS), Backorder/Emergency Order Decision Model for an Inventory Management Policy under Supply Disruptions

Dec 4, 14:30-15:30(LBB 311), Ruiyan Zhang(AMSS), Semidefinite Relaxation for a class of Parameter Identification Problem

Nov 27, 16:00-17:30(LBB 311), Prof. Enbin Song(Sichuan University), Robust SINR-Constrained MISO Downlink Beamforming: When is Semide?nite Programming Relaxation Tight?

Nov 27, 14:30-16:00(LBB 311), 杨晨阳教授（北京航天航空大学），能量高效无线通信：应该?绾斡呕谩白试础保?/p>

Nov 20, 15:30-17:00(LBB 311), Wenhui Zhang(AMSS), Fuzzy c-means Clustering algorithms and its mi=odification modes

Nov 20, 14:00-15:00(LBB 311), Prof. ZiXu(Shanghai University), Approximation bounds for two classes of mixed binary nonconvex quadratic constrained quadratic programming problems

Nov 13, 15:30-17:00(LBB 311), Rui Diao(AMSS), Non-monotone Successive Linear Programming for Solving Standard Pooling Problem

Nov 9, 14:30-15:30(LBB 301), Prof. Dachuan Xu(Beijing University of Technology), Introduction to Distributionally Robust Optimization

Nov 6, 15:30-17:00(LBB 311), Dr. Xin Liu(AMSS), Alternating Direction Method of Multiplier: Splitting Techniques and Beyond

Oct 30, 15:30-17:00(LBB 311), Bo Jiang(AMSS), A New Approach for Optimal Air Flow Control of Mine Ventilation Network

Oct 23, 15:30-17:00(LBB 311), Dr. Yafeng Liu(AMSS), Joint Power and Admission Control for a SISO Interference Channel

Oct 16, 16:45-17:45(LBB 311), Prof. Anne Marie Maculan ( Federal University of Juiz de Fora,Brazil ), Towards a Knowledge-base Economy in Brazil

Oct 16, 15:30-16:30(LBB 311), Dr. Zhenzhen Zheng（Department of Mathematics, City University of Hong Kong), On the Mathematical Modeling and Analysis of Gene Network Inference and Cell Polarization

Oct 9, 15:30-16:30(LBB 311), Prof. Jinyun Yuan（巴西巴拉那联邦大学）, Conjugate Gradient Decomposition and Frequency Estimate

Sept 21, 10:30-11:30(LBB 311), Dr. Zhening Li(Shanghai University), Probability, Polynomial, and Optimization --- From Coin Tossing to Approximation Algorithms

Sept 18, 15:30-17:00(LBB 311), Prof. Ya-xiang Yuan(AMSS), Optimality conditions and smoothing trust region Newton method for non-Lipschitz optimization

July 5th, 10:30-11:30 (LBB 301), Prof. Dan Ruan（UCLA, USA）Applied mathematics in medicine: more than just applying

June 26th, 16:30-17:30 (LBB 311), Prof. Lizhi Wang（Iowa State University）, The Watermelon Algorithm for the Bilevel Integer Linear Programming Problem

June 26th, 15:30-17:00 (LBB 311), Zhenli Sheng(AMSS), Geometric Buildup Methods for Distance Geometry Problem

June 22nd, 11:00-12:00 (LBB 311), Dr. Shiqian Ma(University of Minnesota), Accelerated Linearized Bregman Method

June 22nd, 10:00-17:00 (LBB 311), Prof. Yin Zhang(Rice University), Towards a Massively Parallel Algorithm for Large-Scale Eigenspace Computation

June 22nd, 9:00-10:00 (LBB 311), Dr. Ye Lu(Hong Kong City University), Joint Inventory and Pricing Decisions with Promotions

June 19th, 16:30-17:30 (LBB 301), Prof. Jiming Peng（University of Illinois at Urbana-Champaign, USA）, Alternating Update Procedures for Unconstrained and Constrained Binary Matrix Factorization

June 19th, 15:30-16:30 (LBB 301), Prof. Zhaojun Bai（University of California, Davis）, Minimization principles of the linear response eigenvalue problem

June 18th, 10:00-11:00 (LBB 301), Prof. Jiawang Nie（University of California, San Diego）, Regularization Methods for SDP Relaxations in Large

Scale Polynomial Optimization

June 13th, 15:30-16:30 (LBB 311), Prof. Waotao Yin(Rice University, USA), L2 helps L1 with Global Linear Convergence

May 29th, 15:30-17:00 (LBB 311), Tianxiang Liu(AMSS), Sensor network localization on unit sphere

May 25th, 28th, 30th and June 1st, 10:00-11:00 (LBB 311), Prof. Yin Zhang(Rice University, USA), A Non-RIP Theory for Compressive Sensing

May 10th, 16:30-17:30 (LBB 301), Dr. Shiqian Ma( University of Minnesota), From Incomplete Data to Decision Making: Structured Convex Optimization Approaches

May 8th, 14:00-17:00 (LBB 311), Xiao Wang, Zaikun Zhang, Leqin Wu, Yafeng Liu(AMSS), PhD thesis defense: ...

Apr. 24th, 15:30-17:30 (LBB 311), Yafeng Liu, Leqin Wu(AMSS), PhD thesis defense rehearsal：无线通信?缰?淖钣抛试捶峙?-复杂性分析与算法设计，低秩矩阵优化算?ㄓ牒献鞑┺慕饧?钛芯?/span>

Apr. 23rd, 8:30-9:30 (LBB 311), Prof. Yinyu Ye(Stanford University),A Robust Dynamic Algorithm to Provide Grid Services with a Fleet of Plug-In Electric Vehicles system

Apr. 18th, 10:30-11:30 (LBB 311), Prof. Houduo Qi(University of Southampton, UK), Newton's method for computing the nearest Euclidean distance matrix

Apr. 17th, 15:30-17:30 (LBB 311), Xiao Wang, Zaikun Zhang(AMSS), PhD thesis defense rehearsal: 约束优??侍獾男爬涤蚍椒ǎ薜际?呕椒ǖ难芯?/span>

Apr. 10th, 15:30-17:00 (LBB 311), Prof. Zhiqiang Xu(AMSS), The recovery of the sparse signal without the phase

Apr. 9th, 16：00-17:00 (LBB 311), Prof. Xiaojiao Tong(Hengyang Normal University), Multi-stage stochastic optimization arising from power system

Mar. 27th, 15:30-17:00 (LBB 311), Wenhui Zhang(AMSS), A new algorithmic frame in segmentation of MIR image

Mar. 23rd, 10:00-11:00 (LBB 311), Dr. Chris Ryan(Booth School of Business, University of Chicago), An algebraic approach to Lagrangian duality in general vector spaces

Mar. 20th , 16:00-17:00 (LBB 311), Dr. Chris Ryan(Booth School of Business, University of Chicago), Computing pure strategy Nash equilibria in Compact Symmetric Games

Mar. 13rd, 15:30-17:00 (LBB 311), Rui Diao(AMSS),Introduction to Pooling Problem

Mar. 9th, 10:00-11:00 (LBB 311), Prof. Xiaoming Yuan(Hong Kong Baptist University), Efficient applications of operatorsplitting methods to some statisticalproblems

Mar. 6th, 15:30-17:00 (LBB 311), Bo Jiang(AMSS), A Novel approach to air flow control problem in the mine ventilation network

Feb. 28th, 15:30-17:00 (LBB 311), Prof. Xiaojun Chen(The Hong Kong Polytechnic University), Smoothing SQP Algorithm for Non-Lipschitz Optimization with Complexity Analysis

Feb. 22nd, 15:00-16:00 (LBB 401), Prof. Bingsheng He(Nanjing University), On the O(1/t) convergence rate of the projection and contraction methods for variational inequalities with Lipschitz continuous monotone operators

Feb. 21st, 16:30-17:30 (LBB 401), Prof. Bingsheng He(Nanjing University), Alternating direction methods with substitutions for general

separable convex programming

Feb. 21st, 15:00-16:00 (LBB 401), Prof. Bingsheng He(Nanjing University), A relaxed customized proximal point algorithm for separable convex programming

Feb. 19th, 19:00-20:00 (LBB 401), Prof. Bingsheng He(Nanjing University), A contraction method with implementable proximal regularization

for linearly constrained convex programming

Feb. 16th, 16:00-17:00 (LBB 311), Dr. Chao Ding(National University of Singapore), An Introduction to a Class of Matrix Optimization Problems

Jan. 10th, 15:30-17:00 (LBB 311), Cong Sun (AMSS), ...

Jan. 3rd, 15:30-17:00 (LBB 311), Thanawath Niyamosoth (AMSS), Problems on Supply Chain Reliability

Dec. 27th, 15:30-17:00 (LBB 311), Leqin Wu (AMSS), A New Solution Concept in Cooperative Games

Dec. 21st, 16:00-17:30 (LBB 311), Prof. Qi Li-qun (The Hong Kong Polytechnic University), The Spectral Theory of Tensors - The State of The Art

Dec. 21st, 15:00-16:00 (LBB 311), Prof. Yinyu Ye (Stanford University), Computational Models and Complexities of Tarski's Fixed Points

Dec. 20th, 15:30-17:00 (LBB 311), Zaikun Zhang (AMSS), Incorporating Subspace Techniques in Derivative-Free Optimization

Dec. 19th, 15:30-16:30 (LBB 311), Prof. Zhi-Quan Luo (University of Minnesota), On the Linear Convergence of First Order Optimization Methods

Dec. 13th, 15:30-17:00 (LBB 311), Prof. Yin Zhang (Rice University,USA), Factorization-based algorithms for low-rank matrix completion and Approximations

Dec. 6th, 15:30-17:00 (LBB 311), Prof. L. C. Matioli(Universidade Federal do Paran??/a>), Algorithms for intersection of m spheres in a space of dimension n

Nov. 29th, 14:30-16:00 (LBB 311), Xiao Wang (AMSS), An Augumented Langrange Trust Region Algorithm for Equality Constrained Optimization

Nov. 22nd, 16:00-17:30 (LBB 311), Prof. Elizabeth Wegner Karas ( Universidade Federal do Paraná ), A derivative-free method for nonlinear programming

Nov. 16th, whole day (LBB 311), 2011 One-day Workshop on Optimization in Material Computing

Nov. 15th, 16:00-17:30 (LBB 311), Duo Shi (USTC), Beyond our opinions: A brief introduction to a social model

Nov. 15th, 9:00-10:00 (LBB 311), Prof. Oleg Burdakov (Linkoping University, Sweden),Global search and sparse optimization techniques for solving multilinear least-squares problems with application to design of filter networks

Nov. 14th--15th, work time (LBB 311), Prof. Thorsten Koch (ZIB,Germany), Computational Mixed Integer Programming

Oct. 25th, 16:00-17:30 (LBB 311), Dr. Qingna Li (AMSS), Some Techniques in Sequential Semismooth Newton Method in NLRCMP

Oct. 23rd, 9:00-10:30 (LBB 311), Professor Dachuan Xu (BJUT), Introduction to Approximation Algorithms for Facility Location Problems: LP Rounding and Primal-Dual Technique

Oct. 18th, 16:00-17:30 (LBB 311), Professor Clovis Gonzaga (Federal University of Santa Catarina), An optimal algorithm for minimizing convex functions on simple sets

Oct. 11th, 16:00-17:30 (LBB 311), Dr. Xin Liu (AMSS), Some Notes on Global Optimality of Low-rank Matrix Fitting

Sept. 30 , 10:30-11:30 (LBB 301), Prof. Marc Teboulle (Tel-Aviv University), Convex Duality in Nonconvex Quadratic Optimization

Sept. 23rd, 10:00-11:00 (LBB 301), Jiawang Nie (University of California, San Diego), Semidefinite Programming Methods for Multivariate Polynomial Optimization

Sept. 20th, 16:00-17:30 (LBB 311), Wenhui Zhang (AMSS), Image Seperation in MRI

Sept. 13th, 16:00-17:30 (LBB 311), Rui Diao (AMSS), Matrix Completion Quasi-Newton Method

Sept. 8th, 9:30-10:30 (LBB 311), Prof. Deren Han（Department of Mathematics, Nanjing Normal University), An augmented-Lagrangian-based parallel splitting method for separable convex programming with applications to image

Sept. 8th, 8:30-9:30 (LBB 311), Prof. Deren Han（Department of Mathematics, Nanjing Normal University), Applications of Tensors in Biomedical Engineering

Sept. 6th, 16:00-17:00 (LBB 311), Professor Yin ZHANG (Rice University), Some Recent Advances in Alternating Direction Methods: Practice and Theory

Sept. 1st, 10:30-11:30 (LBB 311), Professor Yinyu Ye (Stanford University), Hidden-City Ticketing: the Cause, Cost and Impact

Sept. 1st, 9:00-10:00 (LBB 311), Professor Yinyu Ye (Stanford University), Complexity of Unconstrained L_2-L_p Minimization

July. 17th, 10:00-11:30 (LBB 311), Prof. Wu Hulin (University of Rochester), Statistical Inverse Problems for Differential Equation Models with Applications to Biomathematical Modeling by Rigorously Using Experimental Data

July. 12th, 15:30-17:30 (LBB 401), Dr. Wotao Yin (Rice University), Completing Low-Rank Matrices with Nonnegative Factors

July 5th, 15:30-17:30 (LBB 311), Bo Jiang (AMSS), 露天矿调度问题

June 28th, 15:30-17:30 (LBB 311), Cong Sun (AMSS), An Algorithm based on SQP Framework for Beamforming Problems in Relay Networks

June 21st, 15:30-17:30 (LBB 311), Dr. Yong Xia (BUAA), Quadratic-type Efficient Upper Bounds for the p-dispersion-sum Problem

June 14th, 15:30-17:30 (LBB 311), Rui-yan Zhang (AMSS), A Class of Algorithms for Matrix Completion and Applications

June 7th, 15:30-17:30 (LBB 311), Thanawath Niyamosoth (AMSS), Preventive Redesign for Supply Chain Using the Intensity Function Reduction

June 6th, 15:30-17:30 (LBB 311), Prof. Xin Chen (University of Illinois at Urbana-Champaign), Sparse Solutions in Random Quadratic Optimization Problems

May 31st, 15:30-17:30 (LBB 311), Prof. Andreas Griewank (Humboldt University), An SQP like NLP solver with limited memory Hessian and seminormal Jacobian approximation

May 24th, 15:30-17:30 (LBB 311), Leqin Wu (AMSS), Coalition and Allocation in a 3-Player Game and Beyond

May 17th, 15:30-17:30 (LBB 311), Zaikun Zhang (AMSS), The Possiblility of Using Inexact Models in Derivative-Free Optimization

May 10th, 15:30-17:30 (LBB 311), 宫鲁津，寇彩霞，郝春林，博士论文答辩

May 3rd, 15:30-17:30 (LBB 311), 宫鲁津?懿氏迹麓毫郑┦柯畚脑ご鸨?/p>

Apr. 26th, 15:30-17:30 (LBB 311), Prof. Liansheng Zhang (Shanghai University), New Methods in Convex Optimization

Apr. 19th, 15:30-17:30 (LBB 311), Xiao Wang (AMSS),An Affine Scaling Method for Nonlinear Programming with Linear Constraints

Apr. 12th, 15:30-17:30 (LBB 311), Dr. Qing-na Li (AMSS),Projected Semismooth Newton Method for Caliberation Least Square Convariance Matrix Problem

Mar. 31st, 16:00-17:30 (LBB 311), Prof. Jiye Han (Institute of Applied Mathematics , AMSS), Vehicle Routing Problems

Mar. 29th, 15:30-17:30 (LBB 311), Dr. Xiaojuan Gu (AMSS), A New Method in MRI Image Segmentation

Mar. 22nd, 15:30-17:30 (LBB 311), Wenhui Zhang (AMSS), An Introduction to EM Algorithm for MRI Segmentation

Mar. 15th, 15:30-17:30 (LBB 311), Rui Diao (AMSS), An Introduction to Methods of Recommender System

Mar. 8th, 15:30-17:30 (LBB 311), Bo Jiang (AMSS), A new Feasible Method for Optimization with Orthogonality Constraints

Mar. 1st, 15:30-17:30 (LBB 311), Cong Sun (AMSS), A Different Way to Solve Interference Alignment Problems

Feb. 22nd, 15:30-17:30 (LBB 311), Thanawath Niyamosoth (AMSS), A New Practical Approach for Multi-Criteria Supplier Selection Problems

Jan. 19th, 15:30-17:30 (LBB 311), Leqin Wu (AMSS), Coalition and Allocation in a 3-Player Game

Dec. 28th, 15:30-17:00 (LBB 311), Lujin Gong (AMSS), A Subspace Trust Region Algorithm

Dec. 21st, 15:30-17:30 (LBB 311), Prof. Wotao Yin (Rice University, USA), A Feasible Method for Optimization with Orthogonality Constraints

Dec. 15th, 16:30-17:30 (LBB 311), Prof. Jean B. Lasserre (LAAS-CNRS and Institute of Mathematics, University of Toulouse, France), A New Look at Nonnegativity and Polynomial Optimization

Dec. 15th, 15:00-16:00 (LBB 311), Prof. Lihong Zhi (Institute of Systems Science, AMSS), Certification via Symbolic-Numeric Computations

Dec. 10th, 9:30-11:00 (LBB 301), Prof. Zhijun Wu (Department of Mathematics, Iowa State University, USA), A Direct Geometric Method for Sensor Network Localization

Dec. 7th, 16:30-17:30 (LBB 311), Prof. Yuanwei Qi (University of Central Florida), Financial Crisis: Impact, Challenge and Opportunity

Dec. 7th, 15:30-17:30 (LBB 311), Zaikun Zhang (AMSS, CAS), A New Strategy to Update Models in Derivative-Free Optimization

Nov. 30th, 15:30-17:30 (LBB 311), Chunlin Hao (AMSS, CAS), A Heuristic Algorithm for Polynomial Equations

Nov. 23rd, 15:30-17:30 (LBB 311), Prof. Mengxi Wu (IMECH, CAS), 发展工程数值计算软件，促进建设领域科技进步

Nov. 16th, 15:30-17:00 (LBB 311), Caixia Kou (AMSS, CAS), A New CG Method

Nov. 9th, 15:30-17:00 (LBB 311), Xiao Wang (AMSS, CAS), A Trust Region Method with a New Affine Scaling Techenique for Box Constrained Problems

Nov. 2nd, 15:30-17:30 (LBB 311), Dr. Shucheng Scott Liu (MSCI), Portfolio Optimization

---- How to construct an index tracking fund

Oct. 26th, 16:00-17:30 (LBB 311), Prof. Yin-Yu Ye (Stanford University), The Simplex and Policy Iteration Methods are Strongly Polynomial for the Markov Decision Process with Fixed Discount

Oct. 26th, 15:30-16:00 (LBB 311), Prof. Qing Ling (USTC), Introduction to a Positioning System

Oct. 22nd, 09:00-10:30 (LBB 301), Dr. Dali Zhang (National University of Singapore), Stochastic Equilibrium Problems for Energy Markets: Modeling and Numerical Schemes

Oct. 19th, 15:30-17:00 (LBB 311), Dr. Xiaojuan Gu (PKU), Introduction to MRI segmentation

Oct. 12th, 15:30-17:00 (LBB 311), Bo Jiang (AMSS, CAS), ...

Sept. 28th, 15:30-17:00 (LBB 311), Jeffrey Larson (University of Colorado Denver), Derivative-Free Optimization Using Weighted Regression Models in a Trust-Region Framework

Sept. 21st, 15:30-17:00 (LBB 311), Ya-feng Liu (AMSS, CAS), Interference Alignment

Sept. 16th, 16:00-17:00 (LBB 311), Prof. Ya-Xiang Yuan (AMSS, CAS), A Sequential Quadratic Programming Method without a Penalty Function or a Filter for Nonlinear Equality Constrained Optimization

Sept. 14th, 15:30-17:00 (LBB 311), Dr. Qing-na Li (Hunan University), A Sequential Semi-Smooth Newton Method for the Nearest Low-Rank Correlation Matrix Problem

Sept. 7th, 15:30-17:00 (LBB 311), Thanawath Niyamosoth (AMSS, CAS), ...

July 13th, 15:30-17:00 (LBB 311), Cong Sun (AMSS, CAS), ...

July 06th, 15:30-17:00 (LBB 311), Dr. Jinbo Bi (University of Connecticut), Solving ambiguity in medical data classification via mathematical programming and modeling

June 29th, 15:30-17:00 (LBB 311), Prof. Christine Shoemaker ( Cornell University ), New RBF Algorithms for Nonlinear and Global Optimization and Uncertainty Analysis of Computationally Expensive Simulation Models

June 22nd, 15:30-17:00 (LBB 311), Leqin Wu (AMSS, CAS), ...

May 27th, 15:30-17:00 (LBB 311), Chunlin Hao (AMSS, CAS), ...

May 18th, 15:30-17:00 (LBB 311), Caixia Kou (AMSS, CAS), ...

May 11th, 13:30-18:00 (LBB 311), Xiaodong Ding, Mingyun Tang ,Minghou Cheng, Yunshan Fu, Dissertation Defense

May 11th, 11:00-12:00 (LBB 311), Prof. Xin-wei Liu (Hebei University of Technology), A sequential quadratic programming method without a penalty function or a filter for nonlinear equality constrained optimization

May 4th, 15:30-18:00 (LBB 311), Minghou Cheng, Yunshan Fu (AMSS, CAS), Dissertation-defense Rehearsal

Apr. 27th, 15:30-18:00 (LBB 311), Xiaodong Ding, Mingyun Tang (AMSS, CAS), Dissertation-defense Rehearsal

Apr. 20th, 15:30-17:00 (LBB 311), Cunlin Fei (AMSS, CAS), ...

Apr. 13th, 15:30-17:00 (LBB 311), Lujin Gong (AMSS, CAS), A Nonmonotone Newton Trust Region Method

Apr. 8th, 19:00-20:30 (LBB 311), Prof. Zhi-quan Luo (University of Minnesota), A Stackelberg game Approach to Distributed Spectrum Management

Apr. 6th, 15:30-17:00 (LBB 311), Yafeng Liu (AMSS, CAS), A Note on Inference Aligenment

Apr. 1st, **9:00-10:30** (LBB 311), Dr. Zaiwen Wen (UCLA and Rice University), First-order Methods for Semidefinite Programming

Mar. 30th, 15:30-17:00 (LBB 311), Dr. Xiaojuan Gu (PKU), The Algorithm for the L1 Problem in Compressive Sensing

Mar. 23rd, 15:30-17:00 (LBB 311), Bo Jiang (AMSS, CAS), Gas Pipeline and Water Network Optimization

Mar. 22nd, **19:00-20:30** (LBB 311), Dr. Thorsten Koch (Zuse Institute Berlin), How to Survive Real-world Projects as a Mathematician

Mar. 9th, 15:30-17:00 (LBB 311), Leqin Wu (AMSS, CAS), Argumented Lagrangian Method for Matrix Completion Problems

Mar. 2nd, 15:30-17:00 (LBB 311), Cong Sun (AMSS, CAS), Beamforming of Peer-to-peer Communication through Relays with Direct Link

Jan. 26th, 15:30-17:00 (LBB 311), Zaikun Zhang (AMSS, CAS), An Unsatisfactory Adaption of NEWUOA

Jan. 19th, 15:30-17:00 (LBB 311), Xiao Wang (AMSS, CAS), A Trust Region Affine Scaling Method for Box-constrained Problems

Jan. 12nd, 15:30-17:00 (LBB 311), Chunlin Hao (AMSS, CAS), A Global Optimization Algorithm Based on Statistics

Jan. 5th, 15:30-17:00 (LBB 311), Caixia Kou (AMSS, CAS), Solve High Order Multivariate Polynomial Equations

Dec. 29th, 15:30-17:00 (LBB 311), Dr. Xin Liu (AMSS, CAS), Strong Cutting Plane Separator for Mixed Integer Programming -- Generating Lifting Cover Inequalities with Additional Implications

Dec. 22nd, 15:30-17:00 (LBB 311), Lujin Gong (AMSS, CAS), A Subspace Algorithm for Large Scale Unconstrained Optimization Problem

Dec. 15th, 15:30-17:00 (LBB 311), Dr. Wei Liu (BJTU), Global Optimization Approach by Covering Local Attraction Regions

Dec. 1st, 15:30-17:00 (LBB 311), Cunlin Fei(AMSS, CAS), Distance Geometry Problem

Nov. 24th, 15:30-17:00 (LBB 311), Yunshan Fu (AMSS, CAS), Kernel Lerning with Bregman Divergence and Some Discussions on Low Rank Kernel Learning

Nov. 17th, 15:30-17:00 (LBB 311), Minghou Cheng (AMSS, CAS), ...

Nov. 16th, 15:30-17:30 (LBB 311), Dr. Chris Ryan (University of British Columbia), Computing Solution Concepts in Games with Integer Decisions

Nov. 10th, 15:30-17:00 (LBB 311), Mingyun Tang (AMSS, CAS), ...

Nov. 3rd, 15:30-17:00 (LBB 311), Xiaodong Ding (AMSS, CAS), Solving Simply Bounded Problem by Quadratic Approximation

Oct. 29th, 16:00-17:30 (LBB 311), Prof. Yu-Hong Dai (AMSS, CAS), 最优化点滴谈

Oct. 27th, 15:30-17:00 (LBB 311), Prof. Ya-Xiang Yuan (AMSS, CAS), **A Subspace Method for Large Scale Minimization over a Sphere **

Oct. 20th, 15:30-17:00 (LBB 311), Dr. Yong Xia (BUAA), Theory and algorithms for solving 0-1 quadratic programming problems via continuation approach

Oct. 13rd, 15:30-17:00 (LBB 311), Ya-feng Liu (AMSS, CAS), Optimal Coordinate Transmit Beamforming: Complexity and Computation

Sept. 29th , 15:30-17:00 (LBB 311), Le-qin Wu (AMSS, CAS), RPCA Problem

Sept. 22nd , 15:30-17:00 (LBB 311), Zaikun Zhang (AMSS, CAS), Derivative-free Optimization

Sept. 15th , 15:30-17:00 (LBB 311), Dr. Xiao-juan Gu (PKU), Optimization Methods for Image Restoration (2)

Sept. 9th , 16:00-17:30 (LBB 301), Dr. Xiao-juan Gu (PKU), Optimization Methods for Image Restoration (1)

Sept. 8th , 15:30-17:00 (LBB 311), Dr. Xin Liu (AMSS, CAS), Some Ideas on L1 Norm Minimization

July 30th, 15:30-17:00 (LBB 311), Prof. Nelson Maculan (Federal University of Rio de Janeiro, Brazil), Reformulations and Solution Algorithms for the Maximum Leaf Spanning Tree Problem

July 24th, 15:30-17:00 (LBB 301), Prof. Silong Peng (Institute of Automation, CAS), Operator Based Signal Decomposition

July 23rd, 10:00-11:00 (LBB 301), Prof. Jin-yun Yuan (Federal University of Parana, Brazil),Preconditioned Iterative Methods for Indefinite Problems

July 23rd, 9:00-10:00 (LBB 301), Prof. Duan Li (The Chinese University of Hong Kong),Integer Solutions to System of Linear Equations and its Application to Reachability Determination in Petri Nets

July 21st, 15:30-17:00 (LBB 311), Prof. Anatoly Yagola (Department of Mathematics, Physical Faculty, Moscow State University ), Error Estimation for Ill-posed Problems with a Priori Information

July 7th, 15:30- (LBB 311), Prof. Jianke Yang (University of Vermont, USA), Newton-Conjugate-Gradient Methods for Solitary Wave Computations

June 30th, 15:30- (LBB 311), Dr. Jinyan Fan (SJTU), Levenberg Marquardt Method and Trust Region Method

June 27th, 10:00-11:30 (LBB 301), Prof. Yinyu Ye (Stanford University), A Unified Framework for Dynamic Pari-Mutuel Information Market Design: A Case of On-Line Optimization

June 23rd, 15:30- (LBB 311), Chunlin Hao (AMSS, CAS), Solving Binary Polynomial Equations

June 16th, 15:30- (LBB 311), Dr. Shaojian Qu, Global Optimization

June 10th, 10:30- (LBB 311), Prof. Shuzhong Zhang (The Chinese University of Hong Kong), Solving Quadratic Programming via Matrix Decomposition

June 9th, 15:30- (LBB 311), Prof. Jiming Peng (University of Illinois at Urbana-Champaign), Some Results on Binary and Nonconvex Quadratic Programming

June 2nd, 15:30- (LBB 311), Xiao Wang (AMSS, CAS), A Filter Trust Region Method for Nolinear Programming Problems

May 26th. 15:30- (LBB 311), Caixia Kou (AMSS, CAS), Solving High-order Polynomial Equations by Matrix Rank Minimization

May 19th. 14:30- (LBB 311), Xin Liu, Lingfeng Niu, Jae Hwa Lee (AMSS, CAS), Dissertation Defense

May 15th. 16:00- (LBB 301), Prof. Yuanwei QI (University of Central Florida, USA), Global Dynamics and Traveling Fronts of Auto-catalytic Chemical Reaction

May 12nd. 15:30- (LBB 311), Jae Hwa Lee (AMSS, CAS), Dissertation-defense Rehearsal

May 5th. 15:30- (LBB 311), Lingfeng Niu (AMSS, CAS), Dissertation-defense Rehearsal

Apr. 28th. 15:30- (LBB 311), Xin Liu (AMSS, CAS), Dissertation-defense Rehearsal

Apr. 21st. 15:30- (LBB 311), Lujin Gong (AMSS, CAS), Some Ideas in Subspace Methods

Apr. 9th. 16:00- (LBB 311), Prof Dr. M. Groetschel (Technische University Berlin, Secretary of the International Mathematical Union, Foreign Associate of the National Academy of Engineering, USA), Path Finding Problems

Apr. 7th. 15:30- (LBB 311), Cunlin Fei (AMSS, CAS), Distance Geometry Problem

Mar. 31st. 15:30- (LBB 311), Minghou Cheng (AMSS, CAS), Descent Direction of Quasi-Newton Methods for Nonlinear Equations

Mar. 26th. 16:00- (LBB 311), Dr. Ye Lu (MIT Operations Research Center), A Price-dependent Demand Substitution Rule and Its Applications

Mar. 24th. 15:30- (LBB 311), Dr. Qianwei Zhang (RUC), Brief introduction to DEA theory and its applications in determination of return to scale

Mar. 17th. 15:30-(LBB 311), Xiaodong Ding (AMSS, CAS), Derivative-free Bound Optimization by Quadratic Approximation

Mar. 10th. 15:30-(LBB 311), Mingyun Tang (AMSS, CAS), Using Truncated Conjugate Gradient Method in Trust-Region Method with Two Subproblems and Backtracking Line Search

Feb. 24th. 15:30-(LBB 301), Le-qin Wu (AMSS, CAS), DFO Returns

Feb.
23rd. 14:30-17:30 (LBB 311), Prof. Tom Luo (University of Minnesota),
Ruo-yu Sun (Peking University), Bo Jiang (AMSS, CAS), An Introduction
to Information Theory (VII?III)

Feb. 19th. 14:30-17:00 (LBB 311), Prof. Tom Luo (University of Minnesota), An Introduction to Information Theory (V、VI)

Feb. 18th. 14:30-17:00(LBB 311), Prof. Tom Luo(University of Minnesota), An Introduction to Information Theory (III、IV)

Feb. 13th. 8:30-11:00(LBB 311), Prof. Tom Luo(University of Minnesota), An Introduction to Information Theory (I、II)

Jan. 13th. 16:30-18:00(LBB 311), Zai-kun Zhang(AMSS, CAS), Derivative Free Methods

Jan. 13th. 15:00-16:30(LBB 311), Xiao Wang(AMSS, CAS), A Brief History of Filter Method

Jan. 8th.(Thu.) 16:00-17:00 (LBB 311), Prof. Jin-yun Yuan(Federal University of Parana , Brazil), A Sharp Upper Bound of the 1-Norm of the Inverse of Special Lower Triangular Toeplitz Matrices

Jan. 4th.(Sun.) 15:00-16:30(LBB 311), Prof Yin-yu Ye (Stanford University, U.S.A.), Discussion on Advanced Topics of Mathematics Programming

2008

Dec. 30th. 15:30- (LBB 311), Dr. Shi-qian Ma( Columbia University , U.S.), Fixed point and Bregman iterative methods for matrix rank minimization

Dec. 23rd. 15:30- (LBB 311), Prof. Jin-yun Yuan(Federal University of Parana , Brazil), Some Recent Studies on Numerical Methods for Systems of Linear Equations

Dec. 16th. 15:30- (LBB 311), Chun-lin Hao(AMSS, CAS), Some Methods for Global Optimization

Dec. 9th. 15:30- (LBB 311), Cai-xia Kou(AMSS, CAS), Solving Multivariate High-order Polynomial Equations by Matrix Rank Minimizatiob

Dec. 2nd. 15:30- (LBB 311), Prof Yin Zhang(Rice University, U.S.), A class of fast algorithms for TV-based Image Reconstruction

Nov. 25th. 15:30- (LBB 311), Lu-jin Gong(AMSS, CAS), A Subspace Method for Large Scale Unconstrained Optimization

Nov. 18th. 15:30- (LBB 311), Cun-lin Fei(AMSS, CAS), Performance Model and Its Optimal Solution for Loop Tiling

Nov. 11th. 15:30- (LBB 311), Dr. Wah June Leong(AMSS, CAS), A Gradient-Type Method Without Line Search for Large-scale Unconstrained Optimization

Nov. 4th. 15:30- (LBB 311), Yun-shan Fu(AMSS, CAS), Projected Gradient Method for Single Linear Constrained Quadratic Programs with Bound Constraints

Oct. 28th. 15:30- (LBB 311), Ming-hou Cheng(AMSS, CAS), Two Sided Rank-One Quasi-Newton Update

Oct. 23rd. 9:30- (LBB 311), Ming-yun Tang(AMSS, CAS), Basic Idea on Solving Simple Bound Constrained Problems with Trust-region Newton Method

Oct. 14th. 15:30- (LBB 311), Xiao-dong Ding(AMSS, CAS), Adaption of the UOBYQA Algorithm for a special Constrained Optimization Problem

Oct. 7th. 15:30- (LBB 311), Prof. Ya-xiang Yuan(AMSS, CAS), Some Important Optimization Problems

Sept. 23th. 15:30- (LBB 311), Jaehwa Lee(AMSS, CAS), Descent Property of a Subspace Algorithm for Equality-constrained Optimization

**Sept. 16th. 14:30- (LBB 311), Lingfeng Niu(AMSS, CAS), Proximal Support Vector Machine**

Sept. 9th. 15:30- (LBB 311), Xin Liu(AMSS, CAS), Some New Results on L1 Norm Minimization Problems

Sept. 4th. 15:30- (LBB 311), Prof Wenbao Ai(AMSS, CAS),
Low-Rank Solutions or Approximate Solutions of Semidefinite Programming Problems

Sept. 2nd. 15:30- (LBB 311), Prof Yu-hong Dai(AMSS, CAS), Fourteen Challenge Problems in Nonlinear Analysis and Optimization

Optimization Seminars (Academy Year 2007-2008):

July 9, 8:30-12:00(LBB 311), Prof. Yin-yu Ye(Stanford, U.S.A), Prof. Xian-da Zhang(Tsinghua University), Prof. Zhi-quan Luo(University of Minnesota, U.S.A.), information

July 8, 15:00-18:00(LBB 311), Prof. Zhi-quan Luo(University of Minnesota, U.S.A), SDP Relaxation for Nonconvex Optimization III

July 7, 8:30-11:30(LBB 311), Prof. Zhi-quan Luo(University of Minnesota, U.S.A), SDP Relaxation for Nonconvex Optimization II

July 5, 15:00-18:00(LBB 311), Prof. Zhi-quan Luo(University of Minnesota, U.S.A), SDP Relaxation for Nonconvex Optimization I

June 24th. 15:30-16:30 (LBB 311), Hua-jun Liang(Visitor Scholor), A Monotone Gradient Method via Quasi-Cauchy Equation for Unconstrained Optimization

June 17th. 15:30-16:30 (LBB 311), Xiao-dong Ding(AMSS, CAS), A View of the Limitations, Opportunities, and Challenges in Parallel Nonlinear Optimization

June 10th. 15:30-16:30 (LBB 311), Xin Liu(AMSS, CAS), Some Results on L1 Norm Minimization for Quadratic System & Convergence Analysis on 2-D Subspace Minimization Methods

June 3th. 15:30-16:30 (LBB 311), Dr. Yong Xia(BHU, Beijing), On the Interpoint Distance Sum Inequality & New Sufficient Optimality Conditions for Quadratic Optimization Problems with Binary Constraints

May 27th. 15:30-16:30 (LBB 311), Cai-xia Kou(AMSS, CAS), Conjugate Gradient Method

May 20th. 15:30-16:30 (LBB 311), Lu-jin Gong(AMSS, CAS), Some Thoughts on Subspace Method

May 18th.(Sunday) 9:00-11:00 (LBB 311), Dr. Zi Xu and Dr. Akmaljavaid(AMSS, CAS), PhD thesis denfence.

May 13th. 15:30-16:30 (LBB 311), Dr. Zi Xu and Dr. Akmaljavaid(AMSS, CAS), PhD thesis denfence in advance

May 6th. 15:30-16:30 (LBB 311), Cun-lin Fei(AMSS, CAS), Smoothing Method for Macromolecule Global Optimization Problem

Apr. 29th. 15:30-16:30 (LBB 311), Yun-shan Fu(AMSS, CAS), A Survey on the Algorithms of Support Vector Machinses Classifier

Apr. 22th. 15:30-16:30 (LBB 311), Ming-hou Cheng(AMSS, CAS), Sparse Modifications of Two Sides Rand One Update

Apr. 18th.(Friday) 10:00-11:00 (LBB 311), Dr. Thorsten Koch(ZIB, Germany), The ZIB Optimization Suite: SCIP, Zimpl, SoPlex and friends

Apr. 1st. 15:30-16:30 (LBB 311), Xiao-dong Ding(AMSS, CAS), Two Accelerating Techniques on UOBYQA: $|H|$-norm Scaling and Parallel Evaluating

Apr. 11th.(Friday) 10:00-11:00 (LBB 311), Prof. Marc Teboulle(Tel-Aviv University, Israel), A Unified Continuous Optimization Framework for Center-based Clustering Methods

Apr. 7th.(Monday) 15:30-16:30 (LBB 311), Prof. Michel Thera(Universite de Limoges, France), Periodic solutions for Evolution Variational Inequalities

Apr. 1st. 15:30-16:30 (LBB 311), Prof. Jian Yu(Gui Zhou University), Game Theory and Nonlinear Anaysis

Mar. 25th. 15:30-16:30 (LBB 311), Ming-yun Tang(AMSS, CAS), Algorithm Extension of Basic Trust Region Method

Mar. 18th. 15:30-16:30 (LBB 311), Ling-feng Niu(AMSS, CAS), Parallel Training Algorithm for Large Scale Multi-Class Support Vector Machine

Mar. 11th. 15:30-16:30 (LBB 311), Xin Liu(AMSS, CAS), L1 Norm Minimization for Quadratic System

Mar. 4th. 15:30-16:30 (LBB 311), Jaehwa Lee (AMSS, CAS), A Subspace Algorithm for Equality-Constrained Optimization

Feb. 26th. 15:30-16:30 (LBB 311), Dr. Yong Xia(BHU, Beijing), Some Convex Hull Presentations and Applications

Jan. 18th. 16:00- (LBB 311), Prof. Jin-yun Yuan(Federal University of Parana, Brazil), Some Research Methodologies in Applied and Computational Mathematics

Jan. 15th. 16:30-17:30 (LBB 311), Cai-xia Kou(AMSS), Survey of Nonlinear Conjugate Gradient Methods

Jan. 15th. 15:30-16:30 (LBB 311), Lu-jin Gong(AMSS), Subspace Techniques for Nonlinear Optimization Problems

Jan. 8th. 15:30- (LBB 311), Akmaljavaid(AMSS), Distance-based Probabilistic Broadcasting for Mobile Ad Hoc Networks

Jan. 4th. 15:30- (LBB 311), Prof. Wo-tao Yin(Rice University, USA), Recent L1-Related Minimization Algorithms for Large-Scale Problems with Sparse Solutions

2007

Dec. 25th. 15:30- (LBB 311), Gong-yun Zhao (Department of Mathematics, National University of Singapore), the basis partition of the space of linear programs II

Dec. 21th. 16:30- (LBB 311), Gong-yun Zhao (Department of Mathematics, National University of Singapore), the basis partition of the space of linear programs I

Dec. 18th. 15:30- (LBB 311), Shi-qian Ma(Columbia University, USA), ... ...

Dec. 11th. 15:30- (LBB 311), Cun-lin Fei(AMSS, CAS), ... ...

Dec. 4th. 15:30- (LBB 311), Yun-shan Fu(AMSS, CAS), ... ...

Nov. 27th. 15:30- (LBB 311), Ming-hou Cheng(AMSS, CAS), Sparse Qusi-Newton Iteration

Nov. 20th. 15:30- (LBB 311), Ming-yun Tang(AMSS, CAS), New Trust Region Method

Nov. 13th. 15:30- (LBB 311), Xiao-dong Ding(AMSS, CAS), Scaling Techniques in UOBYQA.

Nov. 6th. 15:30- (LBB 311), Ling-feng Niu(AMSS, CAS), Experiments with Nonlinear Constraints in a MIP Context.

Oct. 30th. 15:30- (LBB 311), Dr. Zi Xu (AMSS, CAS), New Adaptive Stochastic Approximation Algorithms.

Oct. 23th. 15:30- (LBB 311), Xin Liu(AMSS, CAS), Global Minimization Methods for Quadratic Least Squares Problems.

Oct. 16th. 15:30- (LBB 311), Jaehwa Lee (AMSS, CAS), Subspace technique for nonlinear equality constraints problem

Oct. 9th. 15:30- (LBB 311), Prof. Yu-hong Dai (AMSS, CAS), Some Discussion about Unconstrained Optimization.

Sept. 27th. 15:30- (LBB 311), Prof. Thomas F. Coleman(University of Waterloo, Canada), Fast Newton Methods

Sept. 25th. 15:15- (LBB 311), Dr HUANG Huei Chuen(NUS, Singapore), A Convex Approximation Method for Dynamic Workforce Capacity Planning Problem

Sept. 21th. 16:00-17:00 (LBB 311), Prof. Jin-yun Yuan(Federal University of Parana, Brazil), Optimization Problems in Electric Energy Systems.

Sept. 18th. 15:30- (LBB 311), Prof. Ya-xiang Yuan(AMSS, CAS), Some Important Optimization Problems.

Sept. 14th. 15:30- (LBB 311), Prof. Tamas Terlaky(McMaster Univ., Canada), IPMs for Conic Linear Optimization

Our seminar will be suspended for two months. For any request please contact liuxin@lsec.cc.ac.cn

July 3rd. 15:30-, Yunshan Fu (AMSS, CAS), Some Connections between Nonlinear Programming and Discrete Optimization.

June 26th. 15:30-, Minghou Cheng (AMSS, CAS), Some introductions about sparse quasi-newton updating.

June 19th. 16:00-17:00, Dr. Ye Lu(MIT, U.S.A.), Joint Pricing and Inventory Competition & Coordination for Multi-product.

June 19th. 15:00-16:00, Prof. Xin Chen (UIUC, U.S.A),Inventory Centralization Games.

June 12th. 15:30-, Mingyun Tang(AMSS, CAS), Two Variation of Trust-Region Methods.

June
5th. 15:30-, Zhiquan Luo(University of Minnesota, U.S.A), Semidefinite
Approximation of Nonconvex Quadratic Optimization Problems.

May 29th. 15:30-, Xiaodong Ding(AMSS, CAS), Extension of UOBYQA on Constrained Optimization and Global Optimization.

May 22th. 15:30-, Xin Liu(AMSS, CAS), Some discussion about global Quadratic Least Squares Ploblem.

May 16th. 14:00-, Dr. Yiqing Hu, Dr. Yong Xia, Dr. Zhenzhen Zheng, Doctoral Defense.

May 8th. 14:30-, Dr. Yiqing Hu, Dr. Yong Xia, Dr. Zhenzhen Zheng, Advance Answer for PhD Dissertation.

April 24th. Dr.Zhengyu Wang(AMSS, CAS), Error Estimation for Linear Complementarity Problems.

April 17th. Zi Xu (AMSS, CAS), Stochastic Optimization...

April 10th. Dr.Yong Xia (AMSS, CAS), New SDP relaxations for the quadrtic assignment problems.

April 6th.(Fri.) 16:30-17:30 Prof. Jia-wei Zhang(New York University, USA ), A Linear Programming-Based Algorithm for the Fixed-Hub Single Allocation Problem.

April 3rd. Prof. Yuhong Dai (AMSS, CAS), A Sparse Quasi-Newton Updating.

Mar. 27th. Jaehwa Lee (AMSS, CAS), A subspace method for equality-constrained optimization: some choices of subspace.

Mar. 23rd. Prof. Xiaojun Chen (Hirosaki University, Japan), Global error bounds for linear complementarity problems.

Mar. 20th. Dr.Yong Xia (AMSS, CAS), Two Recent Advancement in Quadratic Assignment Problems.

Mar. 13th. Yunshan Fu (AMSS, CAS), Shortest Path Method for Data Reduction Problems in Railway GPS Design.

Mar. 6th. Minghou Cheng (AMSS, CAS), A New Method for Linear Eigenvalue Problems.

Jan. 30th. Mingyun Tang (AMSS, CAS), Recursive Trust-region Methods for Multilevel Nonilinear Optimization.

Jan. 23th. Xiaodong Ding (AMSS, CAS), Quadratic Models in Unconstrained Minimization Without Derivatives.

Jan. 16th. Linfeng Niu(AMSS, CAS), A New Trust-region Algorithm for Nonlinear Constrained Optimization.

Jan. 9th. Xin Liu(AMSS, CAS), Some Ideas on Finding the Global Minima of Quadratic Least Squares Problems.

Dec. 26th. Ming Gu (UC Berkeley ), Semi-Separable Approximations of SPD Matrices

Dec. 19th. Guangwei Yuan (IAPCM), Fluid Computing

Dec. 12th. Zi Xu (AMSS, CAS), Some Accelerated Algorithms for Stochastic Optimization

Dec. 5th. Dr. Zhenzhen Zheng (AMSS, CAS), Some statistic results for the quadratic assignment problem heuristics

Nov. 28th. Dr. Yiqing Hu(AMSS, CAS), Uzawa type Methods for Saddle Point Problems

Nov. 21th. Prof Chen De Wang (Beijing Jiaotong University), An optimization problem

from Tibet Railway

Nov. 14th. Dr. Yan-feng Li(Accelicon), Numerical Optimization on the Application of Semiconductor and IC Designing Industry

Nov. 7th. Dr. Yong Xia (AMSS, CAS), Heuristics for the Quadratic Assignment Problem: Survey and New Ideas

Oct. 31th. Prof. Yuhong Dai (AMSS, CAS), First Derivative Methods for Unconstrained Optimization.

Oct. 24th. Dr. Hongxia Wang(AMSS, CAS), Non-negative Matrix Factorization: Algorithms and Applications.

Oct. 17th. Prof. Ya-xiang Yuan(AMSS, CAS), Some problems for nonlinear optimization.

Our seminar will be suspended during the workshop Sept.18-Oct.15.

Sept. 12th. Prof. Ya-xiang Yuan(AMSS, CAS), Instruction about the Workshop 2006.

- If you want to know the list of our seminar this term, please click here.

July 14th(Fri.), 2.30-3.30PM, Dr. Wen Zaiwen(Columbia University, USA), Lagrange-Newton Methods for Parameter Identification using Total Variation Regularization

July 14th(Fri.), 3.30-4.30PM, Prof. Zhao GongYun(National University of Singapore, Singapore), Representing the space of linear programs as a Grassmannian

Jun. 20th, Jae-Hwa Lee(AMSS, CAS), A Subspace Mehtod for Equality Constrained Optimization

Jun. 13th, 16:30-17:30 Assistant Prof. Xiao-ming Yuan (DMI, SJTU), Some LQP-based Numerical Algorithms for Nonlinear Complementary Problems

Jun. 13th, 15:30-16:30 Prof. Alfred Auslender (EIF, France), Nonmonotone Projection Gradient Methods Based on Barrier and Euclidean Distances

Jun. 6th, 14:00-15:30 Assistant Prof. Xin Chen (UIUC, USA), A Tractable Approximation of Stochastic Programming via Robust Optimization

Jun. 6th,15:30-17:00 Associate Prof. Xin-long Luo (SIE, BUPT), Combining Trust Region Techniques and Rosenbrock Methods for Gradient Systems

May 30th, Jun-feng Yang(AMSS, CAS), Answer for Master Dissertation

May 30th, Shi-hua Zhang(AMSS, CAS), Answer for Master Dissertation

May 30th, Shi-qian Ma(AMSS, CAS), Answer for Master Dissertation

May 30th, Ling-ling Xu(AMSS, CAS), Answer for PhD Dissertation

May 23rd, 16:30-17:30, Prof. Adrian S. Lewis (Cornell, USA), Nonsmoothing Optimization and Eigenvalues

May 23rd, Shi-qian Ma(AMSS, CAS), Advance Answer for Master Dissertation

May 16th, Ling-ling Xu(AMSS, CAS), Advance Answer for PhD Dissertation

Apr. 25th, 16:00-17:00, Prof. Yin-yu Ye(Stanford, USA), Min-Max Optimization on the Multiple Depot Vehicle Routing Problem

Apr. 25th, 15:00-16:00, Dr. Sim Cheng Hwee(IDSC, Singapore), OR in Action

Apr. 18th, Prof. Ya-xiang Yuan(AMSS, CAS), A New Interior Trust-Region Method for LP

Apr. 11th, Ling-feng Niu(AMSS, CAS), Nonmonotone Trust-Region Methods for Nonlinear Equality Constrained Optimization without a Penalty Function

Apr. 4th, Xin Liu(AMSS, CAS), Separable Nonlinear Least-Squares Problems and Beyond

Mar. 28th, Zi Xu(AMSS, CAS), A New Stochastic Approximation Method with Adaptive Directions

Mar. 21th, Hong-xia Wang(AMSS, CAS), A New Construction Method for DTCW Based on Directional Sensitivity

Mar. 14th, Zhen-zhen Zheng(AMSS, CAS), Solving Sparse Linear Equations Over the 0-1 Finite Field

Mar. 7th, Yi-qing Hu(AMSS, CAS), Saddle Point Problems and Uzawa Methods

Feb. 28th, Yong Xia(AMSS, CAS), A New Rounding Technique and A New Smoothing Algorithm to the Quadratic Assignment Problem

Feb. 21st, Zheng-yu Wang(AMSS, CAS),Enclosing Solutions of Linear Complementarity Problems for H-Matrice

2005

Dec. 27th, Jae-Hwa Lee(AMSS, CAS), Projection Methods on Convex Constraint.

Dec. 20th, Ling-feng Niu(AMSS, CAS), A Preliminary Introduction to Filter Methods.

Dec. 13th, Xin Liu(AMSS, CAS), A Brief Introduction and Some Interesting Approaches for Global optimizaiton.

Dec. 6th, Shi-qian Ma(AMSS, CAS), A Subspace Interior Trust-Region Method for Image Restoring Problem.

Nov. 29th, Henri Bonnel(Université de la Nouvelle-Calédonie), Some interesting problems in nonlinear vector optimization

Nov. 22nd, Ling-ling Xu(AMSS, CAS), An Infeasible Interior Method for Linear Programming

Nov. 15th,Yong Xia(AMSS, CAS), A Reduction Approach for Quadratic Assignment Problem

Nov. 8th, 3:30-4:30, Shu-zhong Zhang(The Chinese University of Hong Kong),Complex Quadratic Optimization and Approximation Algorithms

Nov. 1st, Zhen-zhen Zheng(AMSS, CAS), A Hybrid Genetic Algorithm for Quadratic Assignment Problem

Oct. 25th, Yi-qing Hu(AMSS, CAS), Several New Approaches to BB Step

Oct. 18th, Zi Xu(AMSS, CAS), A New Algorithm for Stochastic Optimization

Oct. 11th, Zhen-yu Wang(AMSS, CAS), Validation of Convergence of Newton's Method for Complementarity Problems

Sep. 27th, Xue-cheng Tai(Bergen, Norway),

Sep. 20th, Yu-hong Dai(AMSS, CAS), A 3-dimensional example for the BFGS method

Sep. 13th, Ya-xiang Yuan(AMSS, CAS), Optimization Methods with Subspace Techniques