Na An

Optimal $$L^\infty (L^2)$$ L ∞ ( L 2 ) error analysis of a direct discontinuous Galerkin method for a time-fractional reaction-diffusion problem

Chaobao Huang, Martin Stynes, Na An · BIT Numerical Mathematics · 2018 · 38 citations

Numerical Analysis, Method Of Fundamental Solution, Error Analysis +4

A local discontinuous Galerkin method for time-fractional diffusion equation with discontinuous coefficient

Chaobao Huang, Na An, Xijun Yu · Applied Numerical Mathematics · 2020 · 35 citations

Numerical Analysis, Discontinuous Coefficient, Time-fractional Diffusion Equation +6

Direct discontinuous Galerkin method for solving nonlinear time fractional diffusion equation with weak singularity solution

Jincheng Ren, Chaobao Huang, Na An · Applied Mathematics Letters · 2019 · 34 citations

Numerical Analysis, Fractional-order System, Anomalous Diffusion +4

$$\beta $$-Robust Superconvergent Analysis of a Finite Element Method for the Distributed Order Time-Fractional Diffusion Equation

Chaobao Huang, Hu Chen, Na An · Journal of Scientific Computing · 2021 · 27 citations

Numerical Analysis, Finite Element Method, Engineering +6

A partially penalty immersed interface finite element method for anisotropic elliptic interface problems

Na An, Huanzhen Chen · Numerical Methods for Partial Differential Equations · 2014 · 25 citations

Numerical Analysis, Finite Element Method, Penalty Terms +9