2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/171588We discuss several open problems on spectrally bounded operators, some new, some old, adding in a few new insights.15 pages,; submittedFunctional AnalysisOperator Algebras47A65; 17C65; 46H10; 46L05; 47A10; 47B48text