A posteriori error estimates based on multilevel decompositions with large problems on the coarsest level. - Petr Vacek; Jan Papez; Zdenek Strakos (CoRR, 2024)

The Effect of Approximate Coarsest-Level Solves on the Convergence of Multigrid V-Cycle Methods. - Petr Vacek; Erin C. Carson; Kirk M. Soodhalter (SIAM J. Sci. Comput., 2024)