2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57259The authors suggest a new powerful tool for solving group classification problems, that is applied to obtaining the complete group classification in the class of nonlinear Schrödinger equations of the form $iψ_t+Δψ+F(ψ,ψ^*)=0$.11 pages, LaTeX2eMathematical PhysicsHigh Energy Physics - TheoryAnalysis of PDEsExactly Solvable and Integrable SystemsQuantum Physics35A30; 35Q55; 58J70; 81R05Group classification of nonlinear Schrödinger equationstext