Qigang Liang

13 papers Journal 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
Adaptive Multilevel Methods for the Maxwell Eigenvalue Problem.
CoRR
Qigang Liang, Xuejun Xu, Qingquan Zhang
2025 J jnl
Computing Both Upper and Lower Eigenvalue Bounds by HDG Methods.
Comput. Methods Appl. Math.
Qigang Liang, Xuejun Xu, Liuyao Yuan
2025 J jnl
Local Multilevel Preconditioned Jacobi-Davidson Method for Elliptic Eigenvalue Problems on Adaptive Meshes.
CoRR
Jianing Guo, Qigang Liang, Xuejun Xu
2025 J jnl
Pointwise A Posteriori Error Estimators for Elliptic Eigenvalue Problems.
CoRR
Zhenglei Li, Qigang Liang, Xuejun Xu
2025 J jnl
Pointwise A Posteriori Error Estimators for Multiple and Clustered Eigenvalue Computations.
CoRR
Zhenglei Li, Qigang Liang, Xuejun Xu
2024 J jnl
A Two-Level Block Preconditioned Jacobi-Davidson Method for Multiple and Clustered Eigenvalues of Elliptic Operators.
SIAM J. Numer. Anal.
Qigang Liang, Wei Wang, Xuejun Xu
2024 J jnl
Computing Both Upper and Lower Eigenvalue Bounds by HDG Methods.
CoRR
Qigang Liang, Xuejun Xu, Liuyao Yuan
2023 J jnl
A Two-Level Preconditioned Helmholtz Subspace Iterative Method for Maxwell Eigenvalue Problems.
SIAM J. Numer. Anal.
Qigang Liang, Xuejun Xu
2023 J jnl
On a Sharp Estimate of Overlapping Schwarz Methods in H(curl;Ω) and H(div;Ω).
CoRR
Qigang Liang, Xuejun Xu, Shangyou Zhang
2022 J jnl
A Two-Level Block Preconditioned Jacobi-Davidson Method for Computing Multiple and Clustered Eigenvalues.
CoRR
Qigang Liang, Wei Wang, Xuejun Xu
2022 J jnl
A Weak Galerkin Finite Element Method Can Compute Both Upper and Lower Eigenvalue Bounds.
J. Sci. Comput.
Qigang Liang, Xuejun Xu, Liuyao Yuan
2022 J jnl
A two-level preconditioned Helmholtz-Jacobi-Davidson method for the Maxwell eigenvalue problem.
Math. Comput.
Qigang Liang, Xuejun Xu
2021 J jnl
A Two-Level Preconditioned Helmholtz-Jacobi-Davidson Method for the Maxwell Eigenvalue Problem.
CoRR
Qigang Liang, Xuejun Xu