2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/97582We prove that the electronic densities of atomic and molecular eigenfunctions are real analytic in ${\mathbb R}^3$ away from the nuclei.19 pagesMathematical Physics35B65; 35Q40; 81Q05Analyticity of the density of electronic wavefunctionstext