Parallel matrix-free higher-order finite element solvers for phase-field fracture problems. - Daniel Jodlbauer; Ulrich Langer; Thomas Wick (CoRR, 2020)

Matrix-Free Monolithic Multigrid Methods for Stokes and Generalized Stokes Problems. - Daniel Jodlbauer; Ulrich Langer; Thomas Wick; Walter Zulehner (SIAM J. Sci. Comput., 2024)