Two-Level Restricted Additive Schwarz Preconditioner Based on Multiscale Spectral Generalized FEM for Heterogeneous Helmholtz Problems

Chupeng Ma, Christian Alber, Robert Scheichl, Yongwei Zhang. Two-Level Restricted Additive Schwarz Preconditioner Based on Multiscale Spectral Generalized FEM for Heterogeneous Helmholtz Problems. J. Sci. Comput., 105(3):99, December 2025. [doi]

Abstract

Abstract is missing.