2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/59909We compute the capacity region of the s-sender Multiple Access Adder Channel in information theory and obtain an explicit description of this region as only one polyhedron, instead of a convex hull of infinitely many polyhedrons. We obtain this by proving a conjecture raised by Lindstrom in 1975, which in turn follows from certain convexity results, both continuous and discrete.Classical Analysis and ODEsA New Convexity Result and the Multiple Access Channeltext