Zi Xu
Zi Xu
Professor of Mathematics, Shanghai University
Verifierad e-postadress på i.shu.edu.cn
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Distributed controllers seeking AC optimal power flow solutions using ADMM
Y Zhang, M Hong, E Dall'Anese, S Dhople, Z Xu
IEEE Transactions on Smart Grid 9 (5), 4525-4537, 2018
312018
A stochastic approximation frame algorithm with adaptive directions
Z Xu, YH Dai
Numer. Math. Theory Methods Appl 1 (4), 460-474, 2008
202008
Joint User Grouping and Linear Virtual Beamforming: Complexity, Algorithms and Approximation Bounds
M Hong, Z Xu, M Razaviyayn, ZQ Luo
IEEE Journal on Selected Areas in Communications 31 (10), 2013-2027, 2013
172013
New stochastic approximation algorithms with adaptive step sizes
Z Xu, YH Dai
Optimization Letters 6 (8), 1831-1846, 2012
162012
A combined direction stochastic approximation algorithm
Z Xu
Optimization Letters 4 (1), 117-129, 2010
122010
Semidefinite approximation for mixed binary quadratically constrained quadratic programs
Z Xu, M Hong, ZQ Luo
SIAM Journal on Optimization 24 (3), 1265-1293, 2014
112014
Improved semidefinite approximation bounds for nonconvex nonhomogeneous quadratic optimization with ellipsoid constraints
Y Hsia, S Wang, Z Xu
Operations Research Letters 43 (4), 378-383, 2015
72015
Improved approximation algorithms for the max-bisection and the disjoint 2-catalog segmentation problems
Z Xu, D Du, D Xu
Journal of Combinatorial Optimization 27 (2), 315-327, 2014
42014
A new hybrid stochastic approximation algorithm
Z Xu, X Wu
Optimization Letters 7 (3), 593-606, 2013
42013
Regulation of renewable energy sources to optimal power flow solutions using ADMM
Y Zhang, E Dall'Anese, M Hong, S Dhople, Z Xu
2017 American Control Conference (ACC), 3394-3399, 2017
32017
Semidefinite Relaxation for Two Mixed Binary Quadratically Constrained Quadratic Programs: Algorithms and Approximation Bounds
Z Xu, M Hong
Journal of the Operations Research Society of China 4 (2), 205-221, 2016
32016
An efficient lagrangian smoothing heuristic for MAX-CUT
Y Xia, Z Xu
Indian Journal of Pure and Applied Mathematics 41 (5), 683-700, 2010
32010
Approximation algorithm for a mixed binary quadratically constrained quadratic programming problem
Z Xu, M Hong
Pacific Journal of Optimization 11 (2), 239-255, 2015
22015
SIMULATION-BASED OPTIMIZATION BY NEW STOCHASTIC APPROXIMATION ALGORITHM
ZI XU, Y LI, X ZHAO
Asia-Pacific Journal of Operational Research 31 (4), 1450026(1-20), 2014
22014
New combinatorial direction stochastic approximation algorithms
Z Xu
Optimization Methods and Software 28 (4), 743-755, 2013
22013
On the Equivalence of Semidifinite Relaxations for MIMO Detection with General Constellations
YF Liu, Z Xu, C Lu
ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech and …, 2019
12019
Joint multicast beamforming and user scheduling in large-scale antenna systems
L Zhou, Z Xu, W Jiang, W Luo
IET Communications 12 (11), 1307-1314, 2018
12018
Semidefinite approximation bound for a class of nonhomogeneous nonconvex quadratically constrained quadratic programming problem
Z Xu, S Tao, K Lou
Optimization Letters, 1-9, 2018
2018
An efficient low complexity algorithm for box-constrained weighted maximin dispersion problem
Z Xu, S Wang, J Huang
Journal of Industrial & Management Optimization 13 (5), 0, 2017
2017
一类混合 0-1 非凸二次约束二次规划问题的近似算法
徐姿, 万芮, 赵兴芳
应用数学与计算数学学报, 305-312, 2015
2015
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Artiklar 1–20