2 papers
math.NA2025
Pointwise A Posteriori Error Estimators for Multiple and Clustered Eigenvalue Computations
Zhenglei Li, Qigang Liang, Xuejun Xu
In this work, we propose an a pointwise a posteriori error estimator for conforming finite element approximations of eigenfunctions corresponding to multiple and clustered eigenval…
math.NA2025
Pointwise A Posteriori Error Estimators for Elliptic Eigenvalue Problems
Zhenglei Li, Qigang Liang, Xuejun Xu
In this work, we propose and analyze a pointwise a posteriori error estimator for simple eigenvalues of elliptic eigenvalue problems with adaptive finite element methods (AFEMs). W…