2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214115We prove density and current fluctuations for two examples of symmetric, interacting particle systems with anomalous diffusive behavior: the zero-range process with long jumps and the zero-range process with degenerated bond disorder. As an application, we obtain subdiffusive behavior of a tagged particle in a simple exclusion process with variable diffusion coefficient.41 pagesProbability65K35, 60G20Current and density fluctuations for interacting particle systems with anomalous diffusive behaviortext