Characterization results and Riesz spectral theory for compact linear relations. Gulf Journal of Mathematics, [S. l.], v. 21, n. 1, p. 104–118, 2025. DOI: 10.56947/gjom.v21i1.3302. Disponível em: https://gjom.org/index.php/gjom/article/view/3302. Acesso em: 20 aug. 2026.