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Ren-jun Qi
Ren-jun Qi
School of Mathematics, Southeast University
Adresse e-mail validée de seu.edu.cn
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The efficient alternating direction implicit Galerkin method for the nonlocal diffusion-wave equation in three dimensions
Q Huang, R Qi, W Qiu
Journal of Applied Mathematics and Computing, 1-21, 2022
92022
A unified design of energy stable schemes with variable steps for fractional gradient flows and nonlinear integro-differential equations
R Qi, X Zhao
SIAM Journal on Scientific Computing 46 (1), A130-A155, 2024
42024
Variable-step numerical schemes and energy dissipation laws for time fractional Cahn–Hilliard model
R Qi, W Zhang, X Zhao
Applied Mathematics Letters 149, 108929, 2024
22024
Energy stability and convergence of variable-step L1 scheme for the time fractional Swift-Hohenberg model
X Zhao, R Yang, R Qi, H Sun
Fractional Calculus and Applied Analysis 27 (1), 82-101, 2024
22024
Some Numerical Extrapolation Methods for the Fractional Sub-diffusion Equation and Fractional Wave Equation Based on the L1 Formula
R Qi, Z Sun
Communications on Applied Mathematics and Computation 4 (4), 1313-1350, 2022
22022
Richardson extrapolation method for solving the Riesz space fractional diffusion problem
R Qi, Z Sun
Numerical Methods for Partial Differential Equations 40 (3), e23076, 2024
2024
Stability and convergence of BDF2-ADI schemes with variable step sizes for parabolic equation
X Zhao, H Zhang, R Qi
Applied Numerical Mathematics, 2024
2024
A Fast Temporal Second Order Difference Scheme for the Fractional Sub-diffusion Equations on One Dimensional Space Unbounded Domain
RJ Qi, ZZ Sun
J. Math. Study 56 (2), 173-205, 2023
2023
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