Regularity for Almost Convex Viscosity Solutions of the Sigma-2 Equation. Journal of Mathematical Study, [S. l.], v. 54, n. 2, p. 164–170, 2021. DOI: 10.4208/jms.v54n2.21.03. Disponível em: https://global-sci.com/index.php/jms/article/view/13391. Acesso em: 27 feb. 2026.