The dark side of categorical Banach space theory. Extracta Mathematicae, [S. l.], v. 41, n. 1, p. 25–110, 2026. DOI: 10.17398/2605-5686.41.1.25. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2414. Acesso em: 10 jun. 2026.