2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183866We report on three topics on finite density simulations: (i) the derivative method for hadronic quantities, (ii) phase fluctuations in the vicinity of the critical temperature and (iii) the density of states method at finite isospin density.11 pages, 11 figures, talk given at Finite Density QCD, at Nara, Japan 10-12 July 2003High Energy Physics - Latticetext