Yifan Wei

位一凡

Postdoctoral Fellow 

Department of Applied Mathematics 

The Hong Kong Polytechnic University 

Hung Hom, Kowloon, Hong Kong

E-mail:  yi-fan.wei@polyu.edu.hk

Research interests

Numerical analysis and scientific computing；Numerical Simulation of Fluid Mechanics.

Publications

1. Wei, Yifan; Zhang, Jiwei; Zhao, Chengchao; Zhao, Yanmin. An unconditionally energy dissipative,

adaptive IMEX BDF2 scheme and its error estimates for Cahn-Hilliard equation on generalized SAV

approach. IMA J. Numer. Anal. 00 (2024), 1-33. (SCI JCR Q1)

2. Pei, Lifang; Wei, Yifan; Zhang, jiwei. Unconditional optimal H1-norm error estimate and superconvergence analysis of a linearized nonconforming finite element variable-time-step BDF2 method for the

nonlinear complex Ginzburg-Landau equation. Commun. Nonlinear. SCI . 138 (2024), 108193. (SCI

JCR Q1)

3. Pei, Lifang; Wei, Yifan; Zhang, Changfeng; Zhang, jiwei. Convergence and superconvergence analysis

of a nonconforming finite element variable-time-step BDF2 implicit scheme for linear reaction-diffusion

equations. J. Sci. Comput. 98 (2024), 67. (SCI JCR Q1)

4. Di, Yana; Wei, Yifan; Zhang, Jiwei; Zhao, Chengchao. Sharp error estimate of an implicit BDF2 scheme

with variable time steps for the phase field crystal model. J. Sci. Comput. 92 (2022), 65. (SCI JCR

Q1)

5. Yao, Changhui; Wei, Yifan; Huang, Qiumei. Post-processing technique of two-grid algorithm for wave

propagation with Debye polarization in nonlinear dielectric materials. Appl. Numer. Math. 157

(2020), 405--418. (SCI JCR Q1)

6. Wei, Yifan; Shi, Dongyang. Superconvergence analysis of a two-grid method for nonlinear hyperbolic

equations. Comput. Math. Appl. 79 (2020), 2846--2855. (SCI JCR Q1)