Blocking structures, approximation, and preconditioning

Nikos Barakitis, Marco Donatelli, Samuele Ferri, Valerio Loi, Stefano Serra Capizzano, Rosita Luisa Sormani. Blocking structures, approximation, and preconditioning. Numerical Algorithms, 100(4):1893-1927, December 2025. [doi]

Abstract

Abstract is missing.