Toward a Multigrid Method for the Indefinite Helmholtz Equation Feb 1, 2023· Robert Falgout , Matthieu Lecouvez , Pierre Ramet , Clément Richefort · 1 min read URL Cite Type Conference paper Publication SIAM Conference on Computational Science and Engineering (CSE23) publications Add the full text or supplementary notes for the publication here using Markdown formatting. Last updated on Feb 1, 2023 Multigrid ← Toward a multilevel method for the Helmholtz equation Apr 1, 2023 Improving the memory and time overhead of low-rank parallel linear sparse direct solvers Sep 1, 2022 →