56 citations · 56 across the 2 of their papers we have counts for
3 papers
math-ph1998★ 56 cited
The nonlinear superposition principle and the Wei-Norman method
J. F. Carinena, G. Marmo, J. Nasarre
Group theoretical methods are used to study some properties of the Riccati equation, which is the only differential equation admitting a nonlinear superposition principle. The Wei-…
physics.optics1997
Symplectic and Lie algebraic techniques in Geometric Optics
J. F. Cariñena, C. López, J. Nasarre
We will show the usefulness of the tools of Symplectic and Presymplectic Geometry and the corresponding Lie algebraic methods in different problems in Geometric Optics.
hep-th1996
Presymplectic Geometry and Fermat's Principle for anisotropic media
Jose F. Cariñena, J. Nasarre
The tools of presymplectic geometry are used to study light rays trajectories in anisotropic media.