Two-level additive Schwarz preconditioners with GDSW coarse spaces for high-order discretizations in 2D

Tommaso Bevilacqua, Axel Klawonn, Martin Lanser +1

Two-level overlapping Schwarz preconditioners with Generalized Dryja-Smith-Widlund (GDSW) and Reduced GDSW (RGDSW) coarse spaces for high-order finite element methods (FEM) and vir…