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
  • Low-regularity approximation to nonlinear dispersive equations
  • Incompressible Navier–Stokes equations
  • Semilinear 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
    1. Maximum-norm stability of the finite element method for the Neumann problem in nonconvex polygons with locally refined mesh (PDF)
    2. Maximal regularity of multistep fully discrete finite element methods for parabolic equations (PDF)
    3. Analyticity, maximal regularity and maximum-norm stability of FEM for parabolic equations in nonconvex polyhedra (PDF)
    4. Maximal Lp error analysis of FEMs for nonlinear parabolic equations with nonsmooth coefficients (PDF)
    5. Maximal Lp analysis of FEM for parabolic equations with nonsmooth coefficients in convex polyhedra (PDF)
    6. Maximum-norm stability and maximal Lp regularity of FEMs for parabolic equations with Lipschitz continuous coefficients (PDF)
  • High-order approximation of singular solutions of fractional evolution equations
  • 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).