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math.NA2025
Multilevel correction type of adaptive finite element method for Hartree-Fock equation
Fei Xu
This paper proposes an efficient algorithm for solving the Hartree--Fock equation combining a multilevel correction scheme with an adaptive refinement technique to improve computat…
math.NA2024
A Nonnested Augmented Subspace Method for Kohn-Sham Equation
Guanghui Hu, Hehu Xie, Fei Xu +1
In this paper, a novel adaptive finite element method is proposed to solve the Kohn-Sham equation based on the moving mesh (nonnested mesh) adaptive technique and the augmented sub…