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20152026
most citedCoarsest-level improvements in multigrid for lattice QCD on large-scale computers

1 citations · 2 across the 15 of their papers we have counts for

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hep-lat2024

Extending DD-AMG on heterogeneous machines

Gustavo Ramirez-Hidalgo, Lianhua He, Ke-Long Zhang

Multigrid solvers are the standard in modern scientific computing simulations. Domain Decomposition Aggregation-Based Algebraic Multigrid, also known as the DD-AMG solver, is a…

math.NA2024

Polynomial Preconditioning for the Action of the Matrix Square Root and Inverse Square Root

Andreas Frommer, Gustavo Ramirez-Hidalgo, Marcel Schweitzer +1

While preconditioning is a long-standing concept to accelerate iterative methods for linear systems, generalizations to matrix functions are still in their infancy. We go a further…