Document

Buyang Li

Professor and RGC Research Fellow
Department of Applied Mathematics
The Hong Kong Polytechnic University
Hung Hom, Hong Kong
Email address: buyang.li@polyu.edu.hk
https://orcid.org/0000-0001-7566-3464

Curriculum Vitae

Research Interests     Publication     Research Group     PhD, Postdoc and Visiting Scholar Positions

  • Numerical methods and analysis for partial differential equations, including

  • Surface evolution under geometric flows, geometric evolution equations, PDEs on surfaces ▼ ← click here

  • Fluid-structure interation and moving interface problems ▼

  • Low-regularity approximation to nonlinear dispersive equations ▼

  • Incompressible Navier–Stokes equations ▼

  • Nonlinear parabolic equations and phase field equation ▼

  • Interior penalty finite element methods and perfectly matched layer (PML) for the Helmholtz equation ▼

  • Maximal Lp-regularity of time discretization methods for parabolic equations ▼

  • Maximum-norm stability and maximal Lp-regularity of finite element methods ▼

  • High-order approximation of singular solutions of fractional evolution equations ▼

    1. High-order splitting finite element methods for the subdiffusion equation with limited smoothing property (PDF)

    2. An exponential spectral method using VP means for semilinear subdiffusion equations with rough data (PDF)

    3. Exponential convolution quadrature for nonlinear subdiffusion equations with nonsmooth initial data (PDF)

    4. Well-posedness and numerical approximation of a fractional diffusion equation with a nonlinear variable order (PDF)

    5. Subdiffusion with time-dependent coefficients: improved regularity and second-order time stepping (PDF)

    6. Subdiffusion with a time-dependent coefficient: analysis and numerical solution (PDF)

    7. Time discretization of the tempered fractional Feynman-Kac equation with measure data (PDF)

    8. Boundary problems for the fractional and tempered fractional operators (PDF)

    9. Numerical analysis of nonlinear subdiffusion equations (PDF)

    10. Correction of high-order BDF convolution quadrature for fractional evolution equation (PDF)

    11. An analysis of the Crank-Nicolson method for subdiffusion (PDF)

    12. Discrete maximal regularity of time-stepping schemes for fractional evolution equations (PDF)

  • Dynamic Ginzburg–Landau superconductivity equations in nonsmooth domains

  • Time-dependent Joule heating problem (for thermistors with temperature-dependent electric conductivity (PDF)

    • Editorial boards

  • Numerische Mathematik:                        2024.5 –– present

  • IMA Journal of Numerical Analysis:      2023.2 –– present

  • Mathematics of Computation:                 2022.2 –– present

  • SIAM Journal on Numerical Analysis:   2022.1 –– present

    Plenary speakers in conferences

  • Plenary Speaker, “30th Biennial Numerical Analysis Conference”, Glasgow, UK, 24–27 June 2025.

  • Plenary Speaker, “Free Boundary Problems: Theory & Applications”, João Pessoa, Brazil, 26–30 August 2024.

  • Plenary Speaker, “Frontiers in Applied Mathematics”, City University of Hong Kong, Hong Kong, 22–23 August 2024.

  •      (for the celebration of 30th anniversary of CityU)

  • Plenary Speaker, “2024 International Congress of Basic Science”, Beijing, 14­–26 July 2024.

  •      (Organizers: Caucher Birkar, Nicolai Reshitikhin, Shing-­Tung Yau)

    Awards and Fellowships

  • President's Award for Outstanding Achievement 2023 (Hong Kong PolyU).

  • RGC Research Fellow Award 2023 (Hong Kong Research Grants Council).

  • The Hong Kong Mathematical Society Young Scholars Award 2022.

  • Departmental Best Paper Award 2022 (Department of Applied Mathematics, Hong Kong PolyU).

  • Alexander von Humboldt Research Fellowship, 2015-2016.

  • Best Paper Award for Young Scholars 2013, The Chinese Society for Computational Mathematics
         (于第十二届全国高校计算数学年会).