Hong Kong Joint Universities Conference on Structured Matrices and Scientific Computing

Schedule

September 24, 2025 (Wednesday)

Location: RRS 401, HKBU

16:00–18:00
(Optional) Welcome Reception Canceled

September 25, 2025 (Thursday)

Location: Wofoo Foundation Amelia Lee Student Centre (RRS 401), HKBU

13:00
Registration Starts
13:45–14:00
Opening Remarks
14:00–15:00
Plenary Talk
  • John Pearson, University of Edinburgh, Structured Matrices and Fast Solvers for Optimization of PDEs, 14:00
    Chair: Tyrone Rees
    Abstract
15:00–15:30
Talk
  • Guanglian Li, Hong Kong University, Gradient-enhanced sparse Hermite polynomial expansions for pricing and hedging high-dimensional American options, 15:00
    Chair: Sean Hon
    Abstract
15:30–16:00
Refreshments
16:00–18:00
Talks
  • Zhigang Jia, Jiangsu Normal University, An Improved QGMRES with Application to Color Image Deblurring, 16:00
    Chair: Junjun Pan Rescheduled
    Abstract
  • Xuelei Lin, Harbin Institute of Technology, Shenzhen, Parallel-in-time solutions based on block alpha-circulant approximation for time-dependent problems, 16:30
    Chair: Junjun Pan
    Abstract
  • René Spoerer, University of Wuppertal, Symbol-based Convergence Analysis of a Multigrid Method for Maxwell's Equations, 17:00
    Chair: Junjun Pan
    Abstract
  • Grigorios Tachyridis, Athens University of Economics and Business, Matrix Algebra Based Preconditioners for Non-Symmetric Toeplitz Systems, 17:30
    Chair: Junjun Pan Rescheduled
    Abstract

September 26, 2025 (Friday)

Location: RRS 401, HKBU

09:00–10:00
Plenary Tal (Zoom)
  • Stefano Serra-Capizzano, University of Insubria, The GLT theory: past, present, perspectives, and beyond, 09:00
    Chair: Eugene Tyrtyshnikov Rescheduled
    Abstract
10:00–10:30
Talk
  • Liu Liu, The Chinese University of Hong Kong, A multi-fidelity method for velocity discretization of Boltzmann equations, 10:00
    Chair: Sean Hon
    Abstract
10:30–11:00
Refreshments
11:00–12:00
Talks
  • Davide Bianchi, Sun Yat-sen University, The iterated Arnoldi-Tikhonov method, 11:00
    Chair: Sean Hon
    Abstract
  • Zhichao Peng, Hong Kong University of Science and Technology, A trajectory-aware multi-space reduced order model enhanced preconditioner for parametric radiative transfer equation, 11:30
    Chair: Sean Hon
    Abstract
  • Zhigang Jia, Jiangsu Normal University, An Improved QGMRES with Application to Color Image Deblurring, 12:00
    Chair: Sean Hon
    Abstract
12:30–14:00
Lunch
14:00–15:00
Plenary Talk
  • Tyrone Rees, STFC Rutherford Appleton Laboratory, The HSL Mathematical Software Library: Robust solvers for structured matrices, 14:00
    Chair: John Pearson
    Abstract
15:00–15:30
Talk
  • Shengxin (Jude) Zhu, Beijing Normal-Hong Kong Baptist University, Approximate and Lightweight Solvers for Graph Matching and Entropic Optimal Transport, 15:00
    Chair: Sean Hon
    Abstract
15:30–16:00
Refreshments
16:00–18:00
Talks
  • Niall Bootland, STFC Rutherford Appleton Laboratory, Parallel preconditioning for time-harmonic waves from Toeplitz structured sweeping, 16:00
    Chair: Hao Liu
    Abstract
  • Wing Tat Leung, City University of Hong Kong, Multicontinuum homogenization for convection diffusion equation, 16:30
    Chair: Hao Liu
    Abstract
  • Min-Li Zeng, Putian University, A splitting-based KPIK method for eddy current optimal control problems, 17:00
    Chair: Hao Liu
    Abstract
  • Yuanyuan Huang, Hong Kong Baptist University, An optimal preconditioned GMRES method for a class of finite difference schemes arising from multi-dimensional RiemannLiouville fractional diffusion equations, 17:30
    Chair: Hao Liu
    Abstract

September 27, 2025 (Saturday)

Location: RRS 401, HKBU

09:00–10:00
Plenary Talk
  • Matthias Bolten, University of Wuppertal, Multigrid methods for block Toeplitz systems, 09:00
    Chair: Marco Donatelli
    Abstract
10:00–11:00
Talks
  • Yanfang Mo, Lingnan University, A structure-tensor approach to integer matrix completion in indivisible resource allocation, 10:00
    Chair: Andrew Lam
    Abstract
  • Shijun Zhang, The Hong Kong Polytechnic University, Tackling High-Frequency Challenges: From Shallow to Multi-Layer Neural Networks, 10:30
    Chair: Andrew Lam
    Abstract
11:00–11:30
Refreshments
11:30–13:30
Talks
  • Shu-Lin Wu, Northeast Normal University, Predict the Convergence Behavior of Parareal with Simplified Coarse Solver, 11:30
    Chair: Hao Liu
    Abstract
  • Juan Zhang, Xiangtan University, Data-Driven Optimal Iterative Parameter Prediction and its Applications, 12:00
    Chair: Hao Liu
    Abstract
  • Kuang Huang, The Chinese University of Hong Kong, Entropy Stability in Numerical Schemes for Nonlocal Conservation Laws in Traffic Flow Modeling, 12:30
    Chair: Hao Liu
    Abstract
  • Lingfeng Li, Hong Kong Center for Cerebro-cardiovascular Health Engineering, Solving Convolution-type Integral Equations with High-frequency Using Neural Operators, 13:00
    Chair: Hao Liu
    Abstract
13:30–14:45
Lunch
14:45–15:45
Plenary Talk
  • Eugene Tyrtyshnikov, Russian Academy of Sciences, Tensor Decompositions in Mathematics and Applications, 14:45
    Chair: Tyrone Rees Zoom
    Abstract
15:45–16:15
Talk (Zoom)
  • Zhiwen Zhang, Hong Kong University, DeepParticle: Learning PDE Dynamics via Wasserstein-Distance-Minimizing Deep Neural Networks Trained on Interacting Particle Data, 15:45
    Chair: Andrew Lam Zoom
    Abstract
16:15–16:45
Refreshments
16:45–17:45
Talks
  • Yuanzhe Xi, Emory University, Neural Approximate Inverse Preconditioners, 16:45
    Chair: Andrew Lam
    Abstract
  • Thaniporn Chaysri, University of Split, Efficient Eigenvalue Algorithms for Diagonal-plus-rank-k and Arrowhead Matrices over associative fields, 17:15
    Chair: Andrew Lam
    Abstract
18:30 onwards
Banquet Dinner (Invited only)

September 28, 2025 (Sunday)

Location: RRS 401, HKBU

09:00–10:00
Plenary Talk
  • Marco Donatelli, University of Insubria, Preconditioning strategies for a Nested Primal-Dual Algorithm for Image Deblurring, 09:00
    Chair: Matthias Bolten
    Abstract
10:00–11:00
Talks
  • Yuxiao Wei, Hong Kong University of Science and Technology, A uniformly accurate diffeomorphic embedding method for solving Eikonal equations on implicit surfaces, 10:00
    Chair: Andrew Lam
    Abstract
  • Siu Long Lei, University of Macau, A τ preconditioner for the options pricing problem under jump-diffusion models, 10:30
    Chair: Andrew Lam
    Abstract
11:00–11:30
Refreshments
11:30–13:30
Talks
  • Sitao Ling, China University of Mining and Technology, Efficient quaternion CUR decomposition based on discrete empirical interpolation method, 11:30
    Chair: Sean Hon
    Abstract
  • Wei Qu, Shaoguan University, An optimal preconditioner for high-order scheme arising from multi-dimensional Riesz space fractional diffusion equations with variable coefficients, 12:00
    Chair: Sean Hon
    Abstract
  • Congcong Li, Hong Kong Baptist University, Symbol-based multilevel block τ preconditioners for multilevel block Toeplitz systems: GLT-based analysis and applications, 12:30 PM
    Chair: Sean Hon
    Abstract
  • Junjun Pan, Hong Kong Baptist University, A provably-correct convex model for smooth separable NMF, 13:00
    Chair: Sean Hon
    Abstract
13:30–14:30
Lunch
14:30–15:30
Plenary Talk (Zoom)
  • Stefano Serra-Capizzano, University of Insubria, The GLT theory: past, present, perspectives, and beyond, 14:30
    Chair: Matthias Bolten Zoom
    Abstract
15:30-16:00
Talk
  • Grigorios Tachyridis, Athens University of Economics and Business, Matrix Algebra Based Preconditioners for Non-Symmetric Toeplitz Systems, 15:30
    Chair: Sean Hon
    Abstract
16:00 onwards
Closing Remarks