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Hyper-positive definite functions I: Scalar case, branching-type stationary stochastic processes 期刊论文
JOURNAL OF FUNCTIONAL ANALYSIS, 2022, 卷号: 282, 期号: 1, 页码: 45
Authors:  Qiu, Yanqi;  Wang, Zipeng
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Hyper-positivity  Positive definite kernel  Herglotz-Bochner theorem  Hypercontractivity  
CONVERGENCE ANALYSIS OF INEXACT TWO-GRID METHODS: A THEORETICAL FRAMEWORK 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2022, 卷号: 60, 期号: 1, 页码: 133-156
Authors:  Xu, Xuefeng;  Zhang, Chen-Song
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multigrid  inexact two-grid methods  convergence factor  eigenvalue analysis  
Quantifying unsharpness of measurements via uncertainty 期刊论文
PHYSICAL REVIEW A, 2021, 卷号: 104, 期号: 5, 页码: 10
Authors:  Liu, Yizhou;  Luo, Shunlong
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Analysis of the second-order BDF scheme with variable steps for the molecular beam epitaxial model without slope selection 期刊论文
SCIENCE CHINA-MATHEMATICS, 2021, 页码: 16
Authors:  Liao, Hong-Lin;  Song, Xuehua;  Tang, Tao;  Zhou, Tao
Favorite  |  View/Download:55/0  |  Submit date:2021/04/26
molecular beam epitaxial growth  variable-step BDF2 scheme  discrete orthogonal convolution kernels  energy stability  convergence analysis  
Iterative two-grid methods for semilinear elliptic equations 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2020, 卷号: 80, 期号: 3, 页码: 522-530
Authors:  Zhang, Weifeng;  Fan, Ronghong;  Zhong, Liuqiang
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Iterative methods  Two-grid method  Convergence  Semilinear elliptic equations  
A NOVEL LEAST SQUARES METHOD FOR HELMHOLTZ EQUATIONS WITH LARGE WAVE NUMBERS 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2020, 卷号: 58, 期号: 5, 页码: 3091-3123
Authors:  Hu, Qiya;  Song, Rongrong
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Helmholtz equations  inhomogeneous media  large wave number  auxiliary unknowns  least squares  error estimates  preconditioner  
UNIT TRIANGULAR FACTORIZATION OF THE MATRIX SYMPLECTIC GROUP 期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2020, 卷号: 41, 期号: 4, 页码: 1630-1650
Authors:  Jin, Pengzhan;  Tang, Yifa;  Zhu, Aiqing
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symplectic  symplectic matrix  triangular factorization  positive definite  singular symplectic matrix  generators  parameterization  unconstrained parametrization  
On a result of Bo(z) over dotejko on extension of positive definite kernels 期刊论文
BULLETIN OF THE LONDON MATHEMATICAL SOCIETY, 2019, 卷号: 51, 期号: 5, 页码: 798-800
Authors:  Qiu, Yanqi
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60G15  43A35 (primary)  
Geometric Distance Between Positive Definite Matrices of Different Dimensions 期刊论文
IEEE TRANSACTIONS ON INFORMATION THEORY, 2019, 卷号: 65, 期号: 9, 页码: 5401-5405
Authors:  Lim, Lek-Heng;  Sepulchre, Rodolphe;  Ye, Ke
Favorite  |  View/Download:85/0  |  Submit date:2020/01/10
Riemannian manifold  geodesic distance  positive definite matrices  covariance matrices  ellipsoids  
Quasi-Potential Calculation and Minimum Action Method for Limit Cycle 期刊论文
JOURNAL OF NONLINEAR SCIENCE, 2019, 卷号: 29, 期号: 3, 页码: 961-991
Authors:  Lin, Ling;  Yu, Haijun;  Zhou, Xiang
Favorite  |  View/Download:81/0  |  Submit date:2020/01/10
Rare event  Non-gradient system  Quasi-potential  Limit cycle  Minimum action method