Transformation to Lienard Form
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We show that certain two-dimensional differential systems can be transformed to a system of Lienard type. This enables known criteria for the existence of a centre for Lienard systems to be exploited, so extending the range of techniques which are available for proving that conditions which are known to be necessary for a centre are also sufficient.
CitationAlbarakati, W. A., Lloyd, N. G., & Pearson, J. M. (2000). Transformation to Lienard form. Electronic Journal of Differential Equations, 2000(76), pp. 1-11.
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