2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/154743In this paper we prove the existence of a positive solution to the equation $-Δu + V(x)u=g(u)$ in $R^N,$ assuming the general hypotheses on the nonlinearity introduced by Berestycki & Lions. Moreover we show that a minimizing problem, related to the existence of a ground state, has no solution.18 pagesAnalysis of PDEs35J60; 58E05On the Schrodinger equation in $R^N$ under the effect of a general nonlinear termtext