2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66778Biharmonic maps are the critical points of the bienergy functional and generalise harmonic maps. We investigate the index of a class of biharmonic maps, derived from minimal Riemannian immersions into spheres. This study is motivated by three families of examples: the totally geodesic inclusion of spheres, the Veronese map and the Clifford torus.21 pagesDifferential Geometry58E20, 53C42text