Symmetries of 2nd order ODE: y'' + G(x)y' + H(x)y = 0

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/164307This paper is devoted to study the Lie algebra of linear symmetries of a homogenous 2nd order ODE, by the method of Kushner, Lychagin and Robstov.7 pagesDifferential Geometry11Dxx, 32Wxx, 76MxxSymmetries of 2nd order ODE: y'' + G(x)y' + H(x)y = 0text