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Prof. Weiwei SUN
Chair Professor of Applied Mathematics
Division of Science and Technology
office: T3-502-R1

Curriculum Vitae

Education

Ph.D. in Applied Mathematics, University of Windsor, Canada
M.Sc in Computational Mathematics, Xian Jiaotong University, China
B.Sc. in Mathemtics, Northwest Polytechnic University, Xian, China

Research Interests

Numerical PDEs, Scientific Computing, Mathematical Modeling, Matrix Analysis

Current Teaching

MATH1053 Linear Algebra I

Selected Publications
  1. W, Sun and C. Wu, New analysis of Galerkin-mixed FEMs for miscible displacement in porous media, Math. Comput., accepted, 2020.
  2. Cai, B. Li, Y.Lin and W. Sun, Analysis of fully discrete FEMs for miscible displacement in porous media with Bear-Scheidegger diffusion-disperson tensor, Numer Math, 141(2019), 1009--1042.
  3. Wu and W. Sun, Analysis of Galerkin FEMs for a mixed formulation of Ginzburg-Landau equations under temporal gauge, SIAM J. Numer. Anal., 56(2018), 1291--1312.
  4. Li and W. Sun, Maximal regularity of fully discrete finite element solutions of parabolic equations, SIAM J. Numer. Anal., 55(2017), 521--542.
  5. Gao, B. Li and W. Sun, Stability and error estimates of fully discrete Galerkin FEMs for nonlinear thermistor equations in non-convex polygons, Numerische Mathematik, 136(2017), 383--409.
  6. Li and W. Sun, Maximal $L^p$ analysis of finite element solutions for parabolic equations with nonsmooth coefficients in convex polyhedral, Math. Comput., 86(2017), 1071--1102.
  7. Gao and W. Sun, A new mixed formulation and numerical solution of Ginzburg-Landau equations under temperal gauge, SIAM J. Sci. Comput., 38(2016), A1339--A1357.
  8. Si, J. Wang and W. Sun, Unconditional stability and error estimates of modified characteristics FEMs for the Navier-Stokes equations, Numerische Mathematik, 134(2016), 139--161.
  9. ~Li and W.~Sun, Regularity of the diffusion-dispersion tensor and optimal error estimates of Galerkin FEMs for a porous medium, SIAM J. Numer. Anal., 53(2015), 1418--1413.
  10. Wang, Z. Si and W. Sun, A new error analysis on characteristic methods for incompressible miscible flow in porous media, SIAM J. Numer. Anal., 52(2014), 3200--3223.
Grants and Projects
  • Efficient and accurate FEMs and optimal error analysis for several nonlinear and strongly coupled systems, GRF, Research Grants Council (RGC) of Hong Kong, 07/01/2019 -- 30/12/2022, HK$504K, PI.
  • Robust and efficient numerical methods and rigorous analysis for Ginzburg-Landau equations, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2019 -- 30/12/2021, HK$304K, CityU 11302718, PI.  
  • Maximal Lp regularity of finite element parabolic systems and applications, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2018--30/12/2020, HK472K, CityU 11300517,PI.
  • Linearized Galerkin FEMs and numerical analysis to nonlinear equations of gradient flow, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2016--30/12/2018, HK614K, CityU 11302915, PI.
  • New Numerical Analysis on Characteristic Type Methods for Nonlinear Parabolic Partial Differential Equations, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2015--30/12/2017, HK614K, CityU 11302514, PI.
  • A new approach to optimal error analysis of linearized semi-implicit Galerkin methods for a large class of nonlinear parabolic systems, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2014--30/12/2016, HK$868K, CityU 102613, PI.
  • Numerical Study for a Class of Nonlinear and Strongly Coupled Parabolic Systems from Sweat Transport, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2013--30/12/2015, HK$1025K, CityU 102712, PI.
  • Spectral Galerkin/Collocation Methods for Helmholtz Equations and Applications, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2011--30/12/2013, HK$655K, CityU 103410, PI.
  • Mathematical Modelling, Analysis and Numerical Simulation for Heat and Moisture Transfer in Three-dimensional Porous Media, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2010--30/12/2012, HK$312K, CityU 102409, PI.
  • High-order Numerical Methods for the Hadamard Finite-part integrals and Their Applications, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2008--30/12/2010, HK$267K, CityU 102507, PI.
  • Mathematical Modelling and Computation for Vapor Transport and Applications GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2007--31/12/2009, HK$250K, CityU 101906, PI.
  • High-Order Numerical Approximations for Interface Problems and Applications GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2006--31/12/2008, HK$231K, CityU 102005, PI.
  • Fast Algorithms and High-Order Approximations for Electromagnetic Scattering from Large Cavities, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2005--31/12/2007, HK$392K, CityU 102204, PI.
  • Spline Collocation Methods for Solving Partial Differential Equations on Irregular Regions, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2004--20/12/2006, HK$324K, CityU 102103, PI.
  • Spectral Petrov-Galerkin Methods for Nonlinear Third-order Differential Equations in Unbounded Domains, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2003--30/12/2005, HK$350K, CityU 1084/02P, PI.
  • Eigenvalues and Eigenvectors of Differentiation Matrices and Applications GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2002--30/12/2004, HK$400K, CityU 1141/01P, PI.
  • Iterative Algorithms for Solving Collocation Systems with Applications in Elasticity, GRF, Research Grants Council (RGC) of Hong Kong, 01/01/2001--30/12/2003, HK$380K, CityU 1061/00P, PI.
  • Collocation Method - Theory, Algorithms and Applications, GRF, Research Grants Council (RGC) of Hong Kong, 01/07/1999--30/12/2002, HK$300K, CityU 1086/99P, PI.
Academic and Social Service
  • Associate editor of Int. J. Numerical Analysis & Modeling (2004 -- present)
  • Member of Editorial Board of Numerical Mathematics: Theory, Methods and Applications (2008 -- 2017)