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Zi Xu
ORCID
Publication Activity (10 Years)
Years Active: 2010-2024
Publications (10 Years): 26
Top Topics
Semidefinite
Quadratically Constrained Quadratic
Gradient Projection
Trust Region
Top Venues
CoRR
J. Glob. Optim.
SIAM J. Optim.
RoboSoft
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Publications
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Tongliang Yao
,
Zi Xu
Two trust region type algorithms for solving nonconvex-strongly concave minimax problems.
CoRR
(2024)
Junnan Yang
,
Huiling Zhang
,
Zi Xu
Two Completely Parameter-Free Alternating Gradient Projection Algorithms for Nonconvex-(strongly) Concave Minimax Problems.
CoRR
(2024)
Zi Xu
,
Ziqi Wang
,
Jingjing Shen
,
Yuhong Dai
Derivative-Free Alternating Projection Algorithms for General Nonconvex-Concave Minimax Problems.
SIAM J. Optim.
34 (2) (2024)
Junlin Wang
,
Junnan Yang
,
Zi Xu
A Fully Parameter-Free Second-Order Algorithm for Convex-Concave Minimax Problems with Optimal Iteration Complexity.
CoRR
(2024)
Jiefei He
,
Huiling Zhang
,
Zi Xu
An approximation proximal gradient algorithm for nonconvex-linear minimax problems with nonconvex nonsmooth terms.
J. Glob. Optim.
90 (1) (2024)
Huiling Zhang
,
Zi Xu
,
Yuhong Dai
Zeroth-Order primal-dual Alternating Projection Gradient Algorithms for Nonconvex Minimax Problems with Coupled linear Constraints.
CoRR
(2024)
Jingjing Shen
,
Ziqi Wang
,
Zi Xu
Zeroth-order single-loop algorithms for nonconvex-linear minimax problems.
J. Glob. Optim.
87 (2) (2023)
Zi Xu
,
Huiling Zhang
,
Yang Xu
,
Guanghui Lan
A unified single-loop alternating gradient projection algorithm for nonconvex-concave and convex-nonconcave minimax problems.
Math. Program.
201 (1) (2023)
Yao Yu
,
Shuai Ding
,
Xiaojian Li
,
Zi Xu
,
Yaping Wang
,
Lina Qu
,
Yinghui Li
,
Shanlin Yang
Cloud-Edge Collaborative Depression Detection Using Negative Emotion Recognition and Cross-Scale Facial Feature Analysis.
IEEE Trans. Ind. Informatics
19 (3) (2023)
Shiru Li
,
Yong Xia
,
Zi Xu
Simultaneous perturbation stochastic approximation: towards one-measurement per iteration.
Numer. Algorithms
94 (3) (2023)
Huiling Zhang
,
Zi Xu
An accelerated first-order regularized momentum descent ascent algorithm for stochastic nonconvex-concave minimax problems.
CoRR
(2023)
Ya-Feng Liu
,
Zi Xu
,
Pavlo A. Krokhmal
,
Jiming Peng
Preface: special issue of MOA 2020.
J. Glob. Optim.
87 (2) (2023)
Zi Xu
,
Ziqi Wang
,
Jun-Lin Wang
,
Yu-Hong Dai
Zeroth-Order Alternating Gradient Descent Ascent Algorithms for a Class of Nonconvex-Nonconcave Minimax Problems.
CoRR
(2022)
Huiling Zhang
,
Jun-Lin Wang
,
Zi Xu
,
Yu-Hong Dai
Primal Dual Alternating Proximal Gradient Algorithms for Nonsmooth Nonconvex Minimax Problems with Coupled Linear Constraints.
CoRR
(2022)
Siwen Wang
,
Zi Xu
New Approximation Algorithms for Weighted Maximin Dispersion Problem with Box or Ball Constraints.
J. Optim. Theory Appl.
190 (2) (2021)
Weiwei Pan
,
Jingjing Shen
,
Zi Xu
An efficient algorithm for nonconvex-linear minimax optimization problem and its application in solving weighted maximin dispersion problem.
Comput. Optim. Appl.
78 (1) (2021)
Zi Xu
,
Jingjing Shen
,
Ziqi Wang
,
Yuhong Dai
Zeroth-Order Alternating Randomized Gradient Projection Algorithms for General Nonconvex-Concave Minimax Problems.
CoRR
(2021)
Zi Xu
,
Huiling Zhang
,
Yang Xu
,
Guanghui Lan
A Unified Single-loop Alternating Gradient Projection Algorithm for Nonconvex-Concave and Convex-Nonconcave Minimax Problems.
CoRR
(2020)
Zi Xu
,
Siqi Tao
,
Kaiyao Lou
Semidefinite approximation bound for a class of nonhomogeneous nonconvex quadratically constrained quadratic programming problem.
Optim. Lett.
13 (4) (2019)
Ya-Feng Liu
,
Zi Xu
,
Cheng Lu
On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations.
CoRR
(2019)
Ya-Feng Liu
,
Zi Xu
,
Cheng Lu
On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations.
ICASSP
(2019)
Longfei Zhou
,
Zi Xu
,
Wei Jiang
,
Wu Luo
Joint multicast beamforming and user scheduling in large-scale antenna systems.
IET Commun.
12 (11) (2018)
Yongkang Jiang
,
Diansheng Chen
,
Pengyong Liu
,
Xiaofang Jiao
,
Zilong Ping
,
Zi Xu
,
Jian Li
,
Ying Xu
Fishbone-inspired soft robotic glove for hand rehabilitation with multi-degrees-of-freedom.
RoboSoft
(2018)
Yijian Zhang
,
Mingyi Hong
,
Emiliano Dall'Anese
,
Sairaj V. Dhople
,
Zi Xu
Distributed Controllers Seeking AC Optimal Power Flow Solutions Using ADMM.
IEEE Trans. Smart Grid
9 (5) (2018)
Yijian Zhang
,
Emiliano Dall'Anese
,
Mingyi Hong
,
Sairaj V. Dhople
,
Zi Xu
Regulation of renewable energy sources to optimal power flow solutions using ADMM.
ACC
(2017)
Longfei Zhou
,
Zi Xu
,
Wei Jiang
,
Wu Luo
Joint Multicast Beamforming and User Scheduling in Large-scale Antenna Systems.
CoRR
(2017)
Yong Hsia
,
Shu Wang
,
Zi Xu
Improved semidefinite approximation bounds for nonconvex nonhomogeneous quadratic optimization with ellipsoid constraints.
Oper. Res. Lett.
43 (4) (2015)
Zi Xu
,
Mingyi Hong
,
Zhi-Quan Luo
Semidefinite Approximation for Mixed Binary Quadratically Constrained Quadratic Programs.
SIAM J. Optim.
24 (3) (2014)
Zi Xu
,
Donglei Du
,
Dachuan Xu
Improved approximation algorithms for the max-bisection and the disjoint 2-catalog segmentation problems.
J. Comb. Optim.
27 (2) (2014)
Zi Xu
,
Yingying Li
,
Xingfang Zhao
Simulation-Based Optimization by New stochastic Approximation Algorithm.
Asia Pac. J. Oper. Res.
31 (4) (2014)
Mingyi Hong
,
Zi Xu
,
Meisam Razaviyayn
,
Zhi-Quan Luo
Joint User Grouping and Linear Virtual Beamforming: Complexity, Algorithms and Approximation Bounds.
IEEE J. Sel. Areas Commun.
31 (10) (2013)
Zi Xu
New combinatorial direction stochastic approximation algorithms.
Optim. Methods Softw.
28 (4) (2013)
Zi Xu
,
Xinming Wu
A new hybrid stochastic approximation algorithm.
Optim. Lett.
7 (3) (2013)
Zi Xu
,
Yu-Hong Dai
New stochastic approximation algorithms with adaptive step sizes.
Optim. Lett.
6 (8) (2012)
Mingyi Hong
,
Zi Xu
,
Meisam Razaviyayn
,
Zhi-Quan Luo
Joint User Grouping and Linear Virtual Beamforming: Complexity, Algorithms and Approximation Bounds
CoRR
(2012)
Zi Xu
A combined direction stochastic approximation algorithm.
Optim. Lett.
4 (1) (2010)