2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126121In this work $n$-dimensional filiform Leibniz algebras admitting a gradation of length $(n-1)$ are classified. Derivations of such algebras are also described.15 pagesRings and AlgebrasK-Theory and Homology17A32, 17A36, 17A60, 17B70n-Dimensional filiform Leibniz algebras of length (n-1) and their derivationstext