2 papers
math.NA2025
A shifted Laplace rational filter for large-scale eigenvalue problems
Biyi Wang, Karl Meerbergen, Raf Vandebril +2
We present a rational filter for computing all eigenvalues of a symmetric definite eigenvalue problem lying in an interval on the real axis. The linear systems arising from the fil…
math.NA2023
AutoAMG(): An Auto-tuned AMG Method Based on Deep Learning for Strong Threshold
Haifeng Zou, Xiaowen Xu, Chen-Song Zhang +1
Algebraic Multigrid (AMG) is one of the most used iterative algorithms for solving large sparse linear equations . In AMG, the coarse grid is a key component that affects the…