Abstract
We study the generalised Chazy equation, \(\dddot x + x^q \ddot x + kx^{q - 1} \dot x^2 = 0\), which is characterised by the symmetries of time translation and rescaling. For a large class of initial conditions numerical computations reveal the asymptotic appearence of periodic solutions for k=q+1. These solutions are identical after rescaling and, in this sense, exhibit the property of a limit cycle in the three dimensional phase space. The periodic solutions are related to a conventional limit cycle of a class of second order ordinary differential equations which are connected to the existence of a first integral of the generalised Chazy equation.
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Chazy, J. (1911): Sur les équations différentielles du troisième ordre et d'ordre supérieur dont l'intégrale générale a ses points critiques fixes (Thèse Paris, 1910). Acta Math. 34, 317–385
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© 1999 Springer-Verlag
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Géronimi, C., Feix, M.R., Leach, P.G.L. (1999). Periodic solutions and associated limit cycle for the generalised Chazy equation. In: Leach, P.G.L., Bouquet, S.E., Rouet, JL., Fijalkow, E. (eds) Dynamical Systems, Plasmas and Gravitation. Lecture Notes in Physics, vol 518. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0105938
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DOI: https://doi.org/10.1007/BFb0105938
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