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中国科学院数学与系统科学研究院机构知识库
KMS Of Academy of mathematics and systems sciences, CAS
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Algorithms for the Prize-Collecting $k$-Steiner Tree Problem
期刊论文
TSINGHUA SCIENCE AND TECHNOLOGY, 2022, 卷号: 27, 期号: 5, 页码: 785-792
Authors:
Han, Lu
;
Wang, Changjun
;
Xu, Dachuan
;
Zhang, Dongmei
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View/Download:7/0
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Submit date:2022/04/29
Steiner trees
Costs
Approximation algorithms
prize-collecting
Steiner tree
approximation algorithm
Optimal convergence of finite element approximation to an optimization problem with PDE constraint*
期刊论文
INVERSE PROBLEMS, 2022, 卷号: 38, 期号: 4, 页码: 45
Authors:
Gong, Wei
;
Tan, Zhiyu
;
Zhou, Zhaojie
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View/Download:7/0
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Submit date:2022/04/29
inverse source problem
optimal control
finite element method
a priori error estimate
a posteriori error estimate
adaptivity
rate optimality
Optimal convergence of finite element approximation to an optimization problem with PDE constraint* * Wei Gong was supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB 41000000), the National Key Basic Research Program (Grant No. 2018YFB0704304) and the National Natural Science Foundation of China (Grant No. 12071468, 11671391). Zhaojie Zhou was supported by the National Natural Science Foundation of China under Grant No. 11971276.
期刊论文
Inverse Problems, 2022, 卷号: 38, 期号: 4
Authors:
Gong,Wei
;
Tan,Zhiyu
;
Zhou,Zhaojie
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Submit date:2022/04/29
inverse source problem
optimal control
finite element method
a priori error estimate
a posteriori error estimate
adaptivity
rate optimality
Stein variational gradient descent with local approximations
期刊论文
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2021, 卷号: 386, 页码: 20
Authors:
Yan, Liang
;
Zhou, Tao
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Submit date:2022/04/02
Stein variational gradient decent
Bayesian inference
Deep learning
Local approximation
Algorithms for the metric ring star problem with fixed edge-cost ratio
期刊论文
JOURNAL OF COMBINATORIAL OPTIMIZATION, 2021, 卷号: 42, 期号: 3, 页码: 499-523
Authors:
Chen, Xujin
;
Hu, Xiaodong
;
Jia, Xiaohua
;
Tang, Zhongzheng
;
Wang, Chenhao
;
Zhang, Ying
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Submit date:2022/04/02
Ring star
Approximation algorithms
Heuristics
Local search
Connected facility location
Stochastic greedy algorithms for maximizing constrained submodular plus supermodular functions
期刊论文
CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE, 2021, 页码: 9
Authors:
Ji, Sai
;
Xu, Dachuan
;
Li, Min
;
Wang, Yishui
;
Zhang, Dongmei
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Submit date:2021/10/26
approximation algorithm
constrained
stochastic greedy
submodular plus supermodular maximization
Asymptotically Efficient Recursive Identification of FIR Systems With Binary-Valued Observations
期刊论文
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS, 2021, 卷号: 51, 期号: 5, 页码: 2687-2700
Authors:
Zhang, Hang
;
Wang, Ting
;
Zhao, Yanlong
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Submit date:2021/06/01
Finite impulse response filters
Convergence
Approximation algorithms
Adaptive control
Projection algorithms
Estimation
Control systems
Asymptotic efficiency
binary-valued observations
convergence
Cramé
r–
Rao (CR) lower bound
identification
Dual-density-based reweighted l(1)-algorithms for a class of l(0)-minimization problems
期刊论文
JOURNAL OF GLOBAL OPTIMIZATION, 2021, 页码: 24
Authors:
Xu, Jialiang
;
Zhao, Yun-Bin
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Submit date:2021/06/01
Merit functions for sparsity
l(0)-minimization
Dual-density-based algorithm
Strict complementarity
Bilevel optimization
Convex relaxation
Spectral Method for Phase Retrieval: An Expectation Propagation Perspective
期刊论文
IEEE TRANSACTIONS ON INFORMATION THEORY, 2021, 卷号: 67, 期号: 2, 页码: 1332-1355
Authors:
Ma, Junjie
;
Dudeja, Rishabh
;
Xu, Ji
;
Maleki, Arian
;
Wang, Xiaodong
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Submit date:2021/04/26
Phase measurement
Message passing
Tools
Signal processing algorithms
Prediction algorithms
Numerical models
Approximation algorithms
Phase retrieval
spectral method
coded diffraction pattern
expectation propagation (EP)
approximate message passing (AMP)
state evolution
orthogonal AMP
vector AMP
A NEW ADAPTIVE SUBSPACE MINIMIZATION THREE-TERM CONJUGATE GRADIENT ALGORITHM FOR UNCONSTRAINED OPTIMIZATION
期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2021, 卷号: 39, 期号: 2, 页码: 159-177
Authors:
Zhang, Keke
;
Liu, Hongwei
;
Liu, Zexian
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View/Download:30/0
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Submit date:2021/01/14
Conjugate gradient method
Nonmonotone line search
Subspace minimization
Sufficient descent condition
Global convergence