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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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A well-conditioned direct PinT algorithm for first- and second-order evolutionary equations
期刊论文
ADVANCES IN COMPUTATIONAL MATHEMATICS, 2022, 卷号: 48, 期号: 3, 页码: 29
Authors:
Liu, Jun
;
Wang, Xiang-Sheng
;
Wu, Shu-Lin
;
Zhou, Tao
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View/Download:28/0
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Submit date:2022/04/29
Direct PinT algorithms
Diagonalization technique
Condition number
Wave-type equations
Large Deviations Principles for Symplectic Discretizations of Stochastic Linear Schrodinger Equation
期刊论文
POTENTIAL ANALYSIS, 2022, 页码: 41
Authors:
Chen, Chuchu
;
Hong, Jialin
;
Jin, Diancong
;
Sun, Liying
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View/Download:30/0
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Submit date:2022/04/29
Large deviations principle
Symplectic discretizations
Stochastic Schrodinger equation
Rate function
Exponential tightness
Stable dynamics and excitations of single- and double-hump solitons in the Kerr nonlinear media with PT-symmetric HHG potentials
期刊论文
NONLINEAR DYNAMICS, 2022, 页码: 12
Authors:
Li, Xin
;
Wang, Li
;
Zhou, Zijian
;
Chen, Yong
;
Yan, Zhenya
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View/Download:35/0
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Submit date:2022/04/29
Nonlinear Schrodinger equation
PT-symmetric harmonic-hyperbolic-Gaussian potential
Soliton stability
Soliton excitations and collisions
Artificial bee colony-based combination approach to forecasting agricultural commodity prices
期刊论文
INTERNATIONAL JOURNAL OF FORECASTING, 2022, 卷号: 38, 期号: 1, 页码: 21-34
Authors:
Wang, Jue
;
Wang, Zhen
;
Li, Xiang
;
Zhou, Hao
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View/Download:25/0
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Submit date:2022/04/02
Agricultural commodity price
Forecast combination
Semi-heterogeneous combination
Artificial bee colony algorithm
Denoising technique
On the Asymptotic Convergence and Acceleration of Gradient Methods
期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2022, 卷号: 90, 期号: 1, 页码: 29
Authors:
Huang, Yakui
;
Dai, Yu-Hong
;
Liu, Xin-Wei
;
Zhang, Hongchao
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View/Download:32/0
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Submit date:2022/04/02
Gradient methods
Asymptotic convergence
Spectral property
Acceleration of gradient methods
Barzilai-Borwein method
Unconstrained optimization
Quadratic optimization
Rational vector rogue waves for the n-component Hirota equation with non-zero backgrounds
期刊论文
PHYSICA D-NONLINEAR PHENOMENA, 2021, 卷号: 427, 页码: 13
Authors:
Weng, Weifang
;
Zhang, Guoqiang
;
Wang, Li
;
Zhang, Minghe
;
Yan, Zhenya
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View/Download:45/0
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Submit date:2022/04/29
n-component Hirota equation
Non-zero backgrounds
Modified Darboux transform
Multiple roots
Rational RWs and W-shaped solitons
Non-integrable deformation
Subset selection for matrices with fixed blocks
期刊论文
ISRAEL JOURNAL OF MATHEMATICS, 2021, 页码: 26
Authors:
Xie, Jiaxin
;
Xu, Zhiqiang
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Submit date:2021/10/26
Multiscale asymptotic analysis and computations for Steklov eigenvalue problem in periodically perforated domain
期刊论文
MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 2021, 页码: 21
Authors:
Ye, Shuyu
;
Ma, Qiang
;
Hu, Bing
;
Cui, Junzhi
;
Jiang, Xue
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View/Download:41/0
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Submit date:2021/10/26
corrector equations
error estimation
finite element computation
second-order two-scale asymptotic analysis
Steklov eigenvalue problem
An initial-boundary value problem for the general three-component nonlinear Schrodinger equations on a finite interval
期刊论文
IMA JOURNAL OF APPLIED MATHEMATICS, 2021, 卷号: 86, 期号: 3, 页码: 427-489
Authors:
Yan, Zhenya
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View/Download:38/0
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Submit date:2021/10/26
general three-component nonlinear Schrodinger equations
initial-boundary value problem
inverse scattering
Riemann-Hilbert problem
global relation
Dirichlet and Neumann problems
Gel'fand-Levitan-Marchenko representation
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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View/Download:50/0
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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