@techreport{KempkeMaherRehfeldtetal.2026, author = {Nils-Christian Kempke and Stephen John Maher and Daniel Rehfeldt and Ambros Gleixner and Thorsten Koch and Svenja Uslu}, title = {Distributed Parallel Structure-Aware Presolving for Arrowhead Linear Programs}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {26-01}, language = {eng}, year = {2026} }