The Theory and Implementation of the Sehgal Fixed Theorem in an Expanded G-metric Space using the Banach Space’s Contraction Principle. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 19, n. 2, p. 7198, 2026. DOI: 10.29020/nybg.ejpam.v19i2.7198. Disponível em: https://www.ejpam.com/ejpam/article/view/7198. Acesso em: 28 jul. 2026.