1 citations · 1 across the 3 of their papers we have counts for
3 papers
math.DG2008
Symmetries of 2nd order ODE: y'' + G(x)y' + H(x)y = 0
Mehdi Nadjafikhah, Seyed-Reza Hejazi
This 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.
math.DG2008
Symmetry of Quadratic Homogeneous Differential Systems
Mehdi Nadjafikhah, Ali Mahdipour-Shirayeh
In this paper, the symmetry group of a differential system of n quadratic homogeneous first order ODEs of n variables is studied. For this purpose, we consider the action of both p…
math-ph2007★ 1 cited
Galilean Classification of Curves
Mehdi Nadjafikhah, Ali Mahdipour Shirayeh
In this paper, we classify space-time curves up to Galilean group of transformations with Cartan's method of equivalence. As an aim, we elicit invariats from action of special Gali…