Accelerating the shifted Laplace preconditioner for the Helmholtz equation by multilevel deflation AH Sheikh, D Lahaye, LG Ramos, R Nabben, C Vuik Journal of Computational Physics 322, 473-490, 2016 | 41 | 2016 |
Projections, deflation, and multigrid for nonsymmetric matrices L García Ramos, R Kehl, R Nabben SIAM Journal on Matrix Analysis and Applications 41 (1), 83-105, 2020 | 16 | 2020 |
On the spectrum of deflated matrices with applications to the deflated shifted Laplace preconditioner for the Helmholtz equation L García Ramos, R Nabben SIAM Journal on Matrix Analysis and Applications 39 (1), 262-286, 2018 | 11 | 2018 |
The multilevel Krylov-multigrid method for the Helmholtz equation preconditioned by the shifted Laplacian YA Erlangga, L García Ramos, R Nabben Modern Solvers for Helmholtz Problems, 113-139, 2017 | 8 | 2017 |
A two-level shifted Laplace Preconditioner for Helmholtz Problems: Field-of-values analysis and wavenumber-independent convergence LG Ramos, R Nabben arXiv preprint arXiv:2006.08750, 2020 | 4 | 2020 |
On optimal algebraic multigrid methods LG Ramos, R Nabben arXiv preprint arXiv:1906.01381, 2019 | 4 | 2019 |
Preconditioning the Helmholtz equation with the shifted Laplacian and Faber polynomials L García Ramos, O Sète, R Nabben Electronic Transactions on Numerical Analysis 54, 534–557, 2021 | 1 | 2021 |