兰州大学机构库 >数学与统计学院

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Identifying a diffusion coefficient in a time-fractional diffusion equation 期刊论文
MATHEMATICS AND COMPUTERS IN SIMULATION, 2018, 卷号: 151, 期号: 6, 页码: 77-95
Authors:  Wei, T;  Li, YS;  Wei, T (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Inverse diffusion coefficient problem  Fractional diffusion equation  Conjugate gradient algorithm  
Optimizing and improving of the C-to-R method for solving complex symmetric linear systems 期刊论文
APPLIED MATHEMATICS LETTERS, 2018, 卷号: 82, 页码: 79-84
Authors:  Liao, LD;  Zhang, GF;  Li, RX;  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Preconditioner  Optimal parameter  C-to-R method  Complex symmetric linear system  Spectral radius  
Fast propagation for reaction-diffusion cooperative systems 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2018, 卷号: 265, 页码: 645-670
Authors:  Xu, WB;  Li, WT;  Ruan, SG;  Li, WT (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Spatial propagation  Reaction-diffusion cooperative systems  Accelerating fronts  
Parameterized approximate block LU preconditioners for generalized saddle point problems 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2018, 卷号: 336, 页码: 281-296
Authors:  Liang, ZZ;  Zhang, GF;  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Block LU factorization  Preconditioning  Generalized saddle point problem  Convergence  Spectral analysis  
Representations of polynomial Rota-Baxter algebras 期刊论文
JOURNAL OF PURE AND APPLIED ALGEBRA, 2018, 卷号: 222, 期号: 1, 页码: 1738-1757
Authors:  Qiao, L;  Pei, J;  Pei, J (reprint author), Southwest Univ, Sch Math & Stat, Chongqing 400715, Peoples R China.
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Chromatic index determined by fractional chromatic index 期刊论文
JOURNAL OF COMBINATORIAL THEORY SERIES B, 2018, 卷号: 131, 期号: 2, 页码: 85-108
Authors:  Chen, GT;  Gao, YP;  Kim, R;  Postle, L;  Shan, SL;  Chen, GT (reprint author), Georgia State Univ, Dept Math & Stat, Atlanta, GA 30303 USA.
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Edge chromatic index  Fractional chromatic index  Critical graph  Tashkinov tree  Extended Tashkinov tree  
Large solutions for a nonhomogeneous quasilinear elliptic problem 期刊论文
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 2018, 卷号: 41, 页码: 428-442
Authors:  Qi, SJ;  Zhao, PH;  Qi, SJ (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Large solution  Karamata regular variation theory  Quasilinear elliptic problem  
A relaxed weak Galerkin method for elliptic interface problems with low regularity 期刊论文
APPLIED NUMERICAL MATHEMATICS, 2018, 卷号: 128, 期号: 8, 页码: 65-80
Authors:  Song, LJ;  Zhao, S;  Liu, KF;  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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Weak Galerkin  Finite element methods  Elliptic interface problems  Low regularity  Error estimates  
Curved fronts in the Belousov-Zhabotinskii reaction-diffusion systems in R-2 期刊论文
JOURNAL OF DIFFERENTIAL EQUATIONS, 2018, 卷号: 264, 期号: 1, 页码: 5758-5801
Authors:  Niu, HT;  Wang, ZC;  Bu, ZH;  Wang, ZC (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Belousov-Zhabotinskii reaction  Traveling waves  Curved fronts  Supersolution and subsolution  Comparison principle  
A novel hybrid decomposition-ensemble model based on VMD and HGWO for container throughput forecasting 期刊论文
APPLIED MATHEMATICAL MODELLING, 2018, 卷号: 57, 页码: 163-178
Authors:  Niu, MF;  Hu, YY;  Sun, SL;  Liu, Y;  Hu, YY (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.;  Sun, SL (reprint author), Chinese Acad Sci, Acad Math & Syst Sci, Beijing 100190, Peoples R China.;  Sun, SL (reprint author), Univ Chinese Acad Sci, Sch Econ & Management, Beijing 100190, Peoples R China.;  Sun, SL (reprint author), City Univ Hong Kong, Dept Syst Engn & Engn Management, Tat Chee Ave, Kowloon, Hong Kong, Peoples R China.
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Container throughput forecasting  Variational mode decomposition  Support vector regression  Hybridizing grey wolf optimization  Hybrid decomposition-ensemble model