2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68352In their paper, "A new application of random matrices: Ext(C*_red(F_2)) is not a group", Haagerup and Thorbjornsen prove an extension of Voiculescu's random matrix model for independent complex self-adjoint Gaussian random matrices. We generalize their result to random matrices with real or symplectic entries (the GOE- and the GSE-ensembles) and random matrix ensembles related to these.45 pages, no figuresOperator AlgebrasFunctional AnalysisProbabilitytext