2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82477After a short motivation I outline a consistent treatment of hadronic spectral functions based on transport theory. As examples I discuss nucleon spectral functions and the observable effects of changes of the properties of vector mesons inside nuclei.Talk at Int. Workshop "Nuclear Structure Physics at the Extremes: New Directions" Shimla, India, 21-24 March, 2005Nuclear TheoryHigh Energy Physics - PhenomenologyNuclear Experimenttext