2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/176994In this review the correlations between host galaxy properties and black-hole mass determined from nearby quiescent galaxies are briefly discussed, before proceeding to investigate their application to active galactic nuclei (AGN). The recent advances in estimating the black-hole masses of AGN are then reviewed, followed by an examination of the connection between black-hole mass and radio luminosity.8 pages, 4 figures, To appear in "Radio galaxies: past, present & future". eds. M. Jarvis et al., Leiden, Nov 2002Astrophysicstext