The deal.II library, Version 9.1. - Daniel Arndt 003; Wolfgang Bangerth; Thomas C. Clevenger; Denis Davydov; Marc Fehling; Daniel Garcia-Sanchez; Graham Harper; Timo Heister; Luca Heltai; Martin Kronbichler 002; Ross Maguire Kynch; Matthias Maier; et al. (J. Num. Math., 2019)

The deal.II library, Version 9.2. - Daniel Arndt 003; Wolfgang Bangerth; Bruno Blais; Thomas C. Clevenger; Marc Fehling; Alexander V. Grayver; Timo Heister; Luca Heltai; Martin Kronbichler 002; Matthias Maier; Peter Munch; Jean-Paul Pelteret; et al. (J. Num. Math., 2020)

Comparison between algebraic and matrix-free geometric multigrid for a Stokes problem on adaptive meshes with variable viscosity. - Thomas C. Clevenger; Timo Heister (Numer. Linear Algebra Appl., 2021)

A Flexible, Parallel, Adaptive Geometric Multigrid Method for FEM. - Thomas C. Clevenger; Timo Heister; Guido Kanschat; Martin Kronbichler 002 (ACM Trans. Math. Softw., 2021)