兰州大学机构库 >数学与统计学院

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Symmetric interior penalty Galerkin approaches for two-dimensional parabolic interface problems with low regularity solutions 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2018, 卷号: 330, 期号: 5, 页码: 356-379
Authors:  Song, LJ;  Zhao, S;  Song, LJ (reprint author), Lanzhou Univ, Sch Math & Stat, Gansu Key Lab Appl Math & Complex Syst, Lanzhou 730000, Gansu, Peoples R China.
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Parabolic interface problems  Interior penalty discontinuous Galerkin methods  Low regularity solution  Error estimates  Stability  
Estimation of the integrated volatility using noisy high-frequency data with jumps and endogeneity 期刊论文
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 2018, 卷号: 47, 期号: 3, 页码: 521-531
Authors:  Li, CX;  Guo, EL;  Guo, EL (reprint author), Lanzhou Univ, Sch Math & Stat, Tianshui South Rd 222, Lanzhou 730000, Gansu, Peoples R China.
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Central limit theorem  endogeneity  high-frequency data  Ito semimartingale  jumps  local average  microstructure noise  threshold method  
Application of a novel hybrid method for spatiotemporal data imputation: A case study of the Minqin County groundwater level 期刊论文
JOURNAL OF HYDROLOGY, 2017, 卷号: 553, 页码: 384-397
Authors:  Zhang, ZR;  Yang, X;  Li, H;  Li, WD;  Yan, HW;  Shi, F;  Zhang, ZR (reprint author), Lanzhou Jiaotong Univ, Sch Environm & Municipal Engn, Lanzhou 730070, Gansu, Peoples R China.
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Spatiotemporal  Imputation  Missing data  Least squares support vector machine  Self-organizing feature map  Cross validation  
AN ALMOST PERIODIC MALARIA TRANSMISSION MODEL WITH TIME-DELAYED INPUT OF VECTOR 期刊论文
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 2017, 卷号: 22, 期号: 4, 页码: 1525-1546
Authors:  Qiang, LZ;  Wang, BG;  Wang, BG (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Malaria transmission  almost periodicity  delayed input  basic reproduction ratio  skew-product semiflow  
Stability and uniqueness of traveling waves of a nonlocal dispersal SIR epidemic model 期刊论文
DYNAMICS OF PARTIAL DIFFERENTIAL EQUATIONS, 2017, 卷号: 14, 期号: 2, 页码: 87-123
Authors:  Li, Y;  Li, WT(李万同);  Zhang, GB;  Li, WT (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Weighted energy method  traveling waves  exponential stability and uniqueness  nonlocal dispersal  the convergence rate  
SIMULTANEOUS IDENTIFICATION OF UNKNOWN INITIAL TEMPERATURE AND HEAT SOURCE 期刊论文
DYNAMIC SYSTEMS AND APPLICATIONS, 2016, 卷号: 25, 期号: 1-4, 页码: 583-602
Authors:  Yang, L;  Deng, ZC;  Hon, YC;  Yang, L (reprint author), Lanzhou Univ, Dept Math, Lanzhou 730000, Gansu, Peoples R China.;  Yang, L (reprint author), Lanzhou Jiaotong Univ, Dept Math, Lanzhou 730070, Gansu, Peoples R China.
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A mollification regularization method for identifying the time-dependent heat source problem 期刊论文
Journal of Engineering Mathematics, 2016, 卷号: 100, 期号: 1, 页码: 67-80
Authors:  Yang, Fan;  Fu, Chu-Li;  Li, Xiao-Xiao;  Yang, F (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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A posteriori parameter choice  Error estimate  Identifying time-dependent source  Ill-posedness  Inverse source problem  Mollification methods  Parabolic equation  
The modified shift-splitting preconditioners for nonsymmetric saddle-point problems 期刊论文
APPLIED MATHEMATICS LETTERS, 2016, 卷号: 59, 页码: 109-114
Authors:  Zhou, SW;  Yang, AL;  Dou, Y;  Wu, YJ(伍渝江);  Yang, AL (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Nonsymmetric saddle point-problem  Shift-splitting preconditioner  Iteration method  Convergence  
Eigenvalues of discrete Sturm-Liouville problems with eigenparameter dependent boundary conditions 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2016, 卷号: 503, 页码: 100-119
Authors:  Gao, CH;  Ma, RY;  Gao, CH (reprint author), Northwest Normal Univ, Dept Math, Lanzhou 730070, Gansu, Peoples R China.
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Discrete Sturm-Liouville problems  Right definite  Eigenparameter dependent boundary condition  Eigenvalues  Interlacing inequality  
Convergence of a Second-Order Linearized BDF–IPDG for Nonlinear Parabolic Equations with Discontinuous Coefficients 期刊论文
Journal of Scientific Computing, 2016, 卷号: 70, 期号: 2, 页码: 662-685
Authors:  Song, Lunji;  Yang, Chaoxia;  Yang, CX (reprint author), Nanjing Univ Posts & Telecommun, Dept Math, Coll Sci, Ctr Visual Cognit Computat & Its Applicat, Nanjing 210023, Jiangsu, Peoples R China.
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Parabolic  Nonlinear  Interface  Discontinuous Galerkin  Interior penalty  Anti-symmetric  Finite element  BDF