2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/137919We derive a (1+1)-dimensional nonlinear evolution equation (NLE) which may model the propagation of high-frequency perturbations in a relaxing medium. As a result, this equation may possess three typical solutions depending on a dissipative parameter.7 pages, 6 figuresMathematical Physicsmath-phtext