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Special Cubic Perturbations of the Duffing Oscillator x '' = x - x(3) Near the Eight-Loop
Journal article   Peer reviewed

Special Cubic Perturbations of the Duffing Oscillator x '' = x - x(3) Near the Eight-Loop

Lubomir Gavrilov, Ameni Gargouri and Bassem Ben Hamed
Mediterranean journal of mathematics, Vol.18(6)
01/12/2021

Abstract

Mathematics Mathematics, Applied Physical Sciences Science & Technology
We find an upper bound for the number of limit cycles, bifurcating from the eight-loop of the Duffing oscillator x '' = x - x(3) under the special cubic perturbation x '' = x - x(3) +lambda(1y) +lambda(2)x(2) +lambda(3)xy +lambda(4)x(2)y.

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