Zi Xu

According to our database, Zi Xu authored at least 33 papers between 2010 and 2024.

Collaborative distances:

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

2024

An approximation proximal gradient algorithm for nonconvex-linear minimax problems with nonconvex nonsmooth terms.

Jiefei He, Huiling Zhang, Zi Xu

J. Glob. Optim., September, 2024

Derivative-Free Alternating Projection Algorithms for General Nonconvex-Concave Minimax Problems.

Zi Xu, Ziqi Wang, Jingjing Shen, Yuhong Dai

SIAM J. Optim., 2024

Zeroth-Order Stochastic Mirror Descent Algorithms for Minimax Excess Risk Optimization.

Zhihao Gu, Zi Xu

CoRR, 2024

Two Completely Parameter-Free Alternating Gradient Projection Algorithms for Nonconvex-(strongly) Concave Minimax Problems.

Junnan Yang, Huiling Zhang, Zi Xu

CoRR, 2024

A Fully Parameter-Free Second-Order Algorithm for Convex-Concave Minimax Problems with Optimal Iteration Complexity.

Junlin Wang, Junnan Yang, Zi Xu

CoRR, 2024

Two trust region type algorithms for solving nonconvex-strongly concave minimax problems.

Tongliang Yao, Zi Xu

CoRR, 2024

Zeroth-Order primal-dual Alternating Projection Gradient Algorithms for Nonconvex Minimax Problems with Coupled linear Constraints.

Huiling Zhang, Zi Xu, Yuhong Dai

CoRR, 2024

2023

Simultaneous perturbation stochastic approximation: towards one-measurement per iteration.

Shiru Li, Yong Xia, Zi Xu

Numer. Algorithms, November, 2023

Zeroth-order single-loop algorithms for nonconvex-linear minimax problems.

Jingjing Shen, Ziqi Wang, Zi Xu

J. Glob. Optim., November, 2023

Preface: special issue of MOA 2020.

Ya-Feng Liu, Zi Xu, Pavlo A. Krokhmal, Jiming Peng

J. Glob. Optim., November, 2023

Cloud-Edge Collaborative Depression Detection Using Negative Emotion Recognition and Cross-Scale Facial Feature Analysis.

Yao Yu, Shuai Ding, Xiaojian Li, Zi Xu, Yaping Wang, Lina Qu, Yinghui Li, Shanlin Yang

IEEE Trans. Ind. Informatics, March, 2023

A unified single-loop alternating gradient projection algorithm for nonconvex-concave and convex-nonconcave minimax problems.

Zi Xu, Huiling Zhang, Yang Xu, Guanghui Lan

Math. Program., 2023

Zeroth-Order Alternating Gradient Descent Ascent Algorithms for A Class of Nonconvex-Nonconcave Minimax Problems.

Zi Xu, Ziqi Wang, Jun-Lin Wang, Yu-Hong Dai

J. Mach. Learn. Res., 2023

An accelerated first-order regularized momentum descent ascent algorithm for stochastic nonconvex-concave minimax problems.

Huiling Zhang, Zi Xu

CoRR, 2023

2022

Primal Dual Alternating Proximal Gradient Algorithms for Nonsmooth Nonconvex Minimax Problems with Coupled Linear Constraints.

Huiling Zhang, Jun-Lin Wang, Zi Xu, Yu-Hong Dai

CoRR, 2022

2021

New Approximation Algorithms for Weighted Maximin Dispersion Problem with Box or Ball Constraints.

Siwen Wang, Zi Xu

J. Optim. Theory Appl., 2021

Zeroth-Order Alternating Randomized Gradient Projection Algorithms for General Nonconvex-Concave Minimax Problems.

Zi Xu, Jingjing Shen, Ziqi Wang, Yuhong Dai

CoRR, 2021

An efficient algorithm for nonconvex-linear minimax optimization problem and its application in solving weighted maximin dispersion problem.

Weiwei Pan, Jingjing Shen, Zi Xu

Comput. Optim. Appl., 2021

2019

Semidefinite approximation bound for a class of nonhomogeneous nonconvex quadratically constrained quadratic programming problem.

Zi Xu, Siqi Tao, Kaiyao Lou

Optim. Lett., 2019

On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations.

Ya-Feng Liu, Zi Xu, Cheng Lu

Proceedings of the IEEE International Conference on Acoustics, 2019

2018

Distributed Controllers Seeking AC Optimal Power Flow Solutions Using ADMM.

Yijian Zhang, Mingyi Hong, Emiliano Dall'Anese, Sairaj V. Dhople, Zi Xu

IEEE Trans. Smart Grid, 2018

Joint multicast beamforming and user scheduling in large-scale antenna systems.

Longfei Zhou, Zi Xu, Wei Jiang, Wu Luo

IET Commun., 2018

Fishbone-inspired soft robotic glove for hand rehabilitation with multi-degrees-of-freedom.

Yongkang Jiang, Diansheng Chen, Pengyong Liu, Xiaofang Jiao, Zilong Ping, Zi Xu, Jian Li, Ying Xu

Proceedings of the IEEE International Conference on Soft Robotics, 2018

2017

Regulation of renewable energy sources to optimal power flow solutions using ADMM.

Yijian Zhang, Emiliano Dall'Anese, Mingyi Hong, Sairaj V. Dhople, Zi Xu

Proceedings of the 2017 American Control Conference, 2017

2015

Improved semidefinite approximation bounds for nonconvex nonhomogeneous quadratic optimization with ellipsoid constraints.

Yong Hsia, Shu Wang, Zi Xu

Oper. Res. Lett., 2015

2014

Semidefinite Approximation for Mixed Binary Quadratically Constrained Quadratic Programs.

Zi Xu, Mingyi Hong, Zhi-Quan Luo

SIAM J. Optim., 2014

Improved approximation algorithms for the max-bisection and the disjoint 2-catalog segmentation problems.

Zi Xu, Donglei Du, Dachuan Xu

J. Comb. Optim., 2014

Simulation-Based Optimization by New stochastic Approximation Algorithm.

Zi Xu, Yingying Li, Xingfang Zhao

Asia Pac. J. Oper. Res., 2014

2013

New combinatorial direction stochastic approximation algorithms.

Zi Xu

Optim. Methods Softw., 2013

A new hybrid stochastic approximation algorithm.

Zi Xu, Xinming Wu

Optim. Lett., 2013

Joint User Grouping and Linear Virtual Beamforming: Complexity, Algorithms and Approximation Bounds.

Mingyi Hong, Zi Xu, Meisam Razaviyayn, Zhi-Quan Luo

IEEE J. Sel. Areas Commun., 2013

2012

New stochastic approximation algorithms with adaptive step sizes.

Zi Xu, Yu-Hong Dai

Optim. Lett., 2012

2010

A combined direction stochastic approximation algorithm.

Zi Xu

Optim. Lett., 2010