2 papers
math.DS2019
A group theory approach towards some rational difference equations
M. Folly-Gbetoula, N. Mnguni, AH Kara
A full Lie point symmetry analysis of rational difference equations is performed. Non-trivial symmetries are derived and exact solutions using these symmetries are obtained.
math.AP2018
Approximate conditions admitted by classes of the Lagrangian
Sameerah Jamal, Nkosingiphile Mnguni
We investigate a class of Lagrangians that admit a type of perturbed harmonic oscillator which occupies a special place in the literature surrounding perturbation theory. We establ…