魏永芳

讲师
公共数学教研室 (1号教学楼A314)
马鸿洋
  • 843979713@qq.com

个人简介

魏永芳,博士,讲师,现任职于青岛理工大学理学院,讲授线性代数、高等数学等公共数学基础课。主要从事微分方程、变分法、不动点定理等方面的研究。共发表SCI论文11篇,其中以第一作者发表7篇。

工作经历

  • 2023年02月-至今                  青岛理工大学 讲师

  • 2017年09月-2022年12月      山东科技大学 硕博连读(期间2019.09-2019.12澳大利亚斯威本科技大学访问学者)

研究方向

  1. 微分方程边值问题

  2. 变分方法、临界点理论、不动点定理等理论方法

代表性研究成果

论文

  1. Yongfang Wei, Suiming Shang and Zhanbing Bai, Solutions for a class of Hamiltonian systems on time scales with non-local boundary conditions[J]. Applied Mathematics and Mechanics (English Edition), 2022, 43: 587–602.(SCI)

  2. Yongfang Wei, Qilin Song and Zhanbing Bai, Existence and iterative method for some fourth order nonlinear boundary value problems[J]. Applied Mathematics Letters, 2019, 87: 101–107. (SCI)

  3. Yongfang Wei, Suiming Shang and Zhanbing Bai, Applications of variational methods to some three-point boundary value problems with instantaneous and non-instantaneous impulses[J]. Nonlinear Analysis: Modelling and Control, 2022, 27(3): 466–478. (SCI)

  4. Yongfang Wei and Zhanbing Bai, Super-linear damped vibration problems on time scales with non-local boundary conditions[J]. Nonlinear Analysis: Modelling and Control, 2022, 27: 1–21. (SCI)

  5. Yongfang Wei and Zhanbing Bai, Multiple solutions for some nonlinear impulsive differential equations with three-point boundary conditions via variational approach[J]. Journal of Applied Analysis and Computation, 2021, 11(6): 3031–3043. (SCI)

  6. Yongfang Wei and Zhanbing Bai, Solvability of Some Fractional Boundary Value Problems with a Convection Term[J], Discrete Dynamics in Nature and Society, 2019, 1230502. (SCI)

  7. Yongfang Wei, Zhanbing Bai and Sujing Su, On positive solutions for some second-order three-point boundary value problems with convection term[J], Journal of Inequalities and Applications volume, 2019,72. (SCI)