Research

My research areas are

(1): Finite Element Methods, including adaptivity, iterative solvers, Finite Element Exterior Calculus, superconvergence;

(2): Structure-Preserving Methods, such as Energy-Preserving Methods for dynamical systems and finite element exterior calculus;

(3): Adaptive Algorithm for more general problems, such as Reduced Basis Methods and Learning Algorithms.

Papers on arXiv

My Google Scholar

Papers on MathSciNet

Recent papers

" Reduced Krylov basis methods for parametric partial differential equations",  arXiv:2405.07139

"A new analysis of empirical interpolation methods and Chebyshev greedy algorithms", arXiv:2401.13985

"A reduced conjugate gradient basis method for fractional diffusion", SIAM J. Sci. Comput., DOI: 10.1137/23M1575913, arXiv:2305.18038

"Entropy-based convergence rates for greedy algorithms", Mathematical Models and Methods in Applied Sciences, Vol. 34, No. 5 (2024) 779-802.

"Paramter-free preconditioning for nearly incompressible linear elasticity", Computers&Mathematics with Applications, 154 (2024) 39-44

"Nodal auxiliary space preconditioning for the surface de Rham complex", Found. Comput. Math., DOI: 10.1007/s10208-023-09611-0 

Collaborators: James Adler, Randolph Bank, Xi Chen, Michael Holst, Xiaozhe Hu, Qingguo Hong, Zhengqi Liu, Jonathan Siegel, Xinyuan Wu, Jinchao Xu, Ludmil Zikatanov, Cheng Zuo