China
In this paper, we investigate the classical problem related to bifurcation of smallamplitude limit cycles in a class of piecewise smooth cubic Rayleigh-Liénard systems.
By using the developed Poincaré-Lyapunov method, we achieve the classifications of the center at the origin of such piecewise smooth polynomial system. We further provide the necessary and sufficient conditions of the global center. Furthermore, we establish that lower bound on the maximum number of limit cycles bifurcating from the origin is 5.
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