arXiv · 0803.1824
Recent Applications of the Theory of Lie Systems in Ermakov Systems
Abstract
We review some recent results of the theory of Lie systems in order to apply such results to study Ermakov systems. The fundamental properties of Ermakov systems, i.e. their superposition rules, the Lewis-Ermakov invariants, etc., are found from this new perspective. We also obtain new results, such as a new superposition rule for the Pinney equation in terms of three solutions of a related Riccati equation.
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José F. Cariñena, Javier De Lucas, Manuel F. Rañada. 2008-03-12. Recent Applications of the Theory of Lie Systems in Ermakov Systems. https://doi.org/10.3842/sigma.2008.031
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