Multilevel Spectral Domain Decomposition. - Peter Bastian; Robert Scheichl; Linus Seelinger; Arne Strehlow (SIAM J. Sci. Comput., 2023)

Fast-convergent two-level restricted additive Schwarz methods based on optimal local approximation spaces. - Arne Strehlow; Chupeng Ma; Robert Scheichl (CoRR, 2024)