2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/131807The analog of the Schauder inequality for closed surfaces in Euclidean spaces is obtained in this article.Differential GeometryAnalysis of PDEs53B20, 53C40, 53C99, 53B99The analog of the Schauder inequality for closed surfaces in Euclidean spacestext