2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157234In small confined systems predictions for the melting point strongly depend on the choice of quantity and on the way it is computed, even yielding divergent and ambiguous results. We present a very simple quantity which allows to control these problems -- the variance of the block averaged interparticle distance fluctuations.Statistical Mechanicstext