2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75556The aim of this paper is to gain explicit information about the multiplicative structure of l_*l, where l is the connective Adams summand. Our approach differs from Kane's or Lellmann's because our main technical tool is the MU-based Kuenneth spectral sequence. We prove that the algebra structure on l_*l is inherited from the multiplication on a Koszul resolution of l_*BP.Small changesAlgebraic Topology55P43, 55N15; 55N20, 18G15text