The self-energy beyond GW: Local and nonlocal vertex corrections P. Romaniello, Guyot, S., and Reining, L., “The self-energy beyond GW: Local and nonlocal vertex corrections”, The Journal of Chemical Physics, vol. 131. AIP, p. 154111, 2009.Biblio Keywords: conduction bandsenergy statesHubbard modelrelativistic correctionsvalence bandsvertex functions