2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61168In this paper we are interested in some Bonnesen-type isoperimetric inequalities for plane n-gons in relation with the two conjectures proposed by P. Levy and X.M. Zhang.17 pagesMetric GeometryDifferential Geometry51M10, 51M25, 52A40text