2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/111579Problems in additive number theory related to sum and difference sets, more general binary linear forms, and representation functions of additive bases for the integers and nonnegative integers.8 pages. Talk at the Workshop on Arithmetic Combinatorics at the Centre de recherches mathematiques at the Universite de Montreal on April 8, 2006. Corrected one typoNumber TheoryCombinatorics11B05;11B13;11B34text