2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57535For a system of n interacting electrons moving in the background of a "homogeneous" potential, we show that, if the single electron Hamiltonian admits a density of states, so does the interacting Hamiltonian. Moreover this integrated density of states coincides with that of the free electron Hamiltonian.Mathematical Physics81Q10; 35J10; 47A10text