Nonlinear superpositions and Ermakov systems
classification
🧮 math-ph
math.MP
keywords
systemstheoryanalogousdealdifferentialequationsermakovermakov-like
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The theory of superposition rules for solutions of a Lie system of first-order differential equations is extended to deal with analogous systems of second-order and the theory is illustrated with the very rich example of Ermakov-like systems.
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