Categorical aspects of Banach modules and Fréchet modules: flatness, projectivity, and functorial isomorphisms. African Journal of Empirical Research, [S. l.], v. 7, n. 2, p. 958–969, 2026. DOI: 10.51867/ajernet.maths.7.2.84. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/1929. Acesso em: 25 may. 2026.