2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76301For a truncated quiver algebra over a field of arbitrary characteristic, its Hochschild cohomology is calculated. Moreover, it is shown that its Hochschild cohomology algebra is finite-dimensional if and only if its global dimension is finite if and only if its quiver has no oriented cycles.12 pagesRings and AlgebrasRepresentation Theory16E40, 16E10, 16G10text