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nlin.CD2004★ 4 cited
Variational calculation of the period of nonlinear oscillators
R. D. Benguria, M. C. Depassier
The problem of calculating the period of second order nonlinear autonomous oscillators is formulated as an eigenvalue problem. We show that the period can be obtained from two inte…
nlin.CD2001★ 13 cited
Variational approach to a class of nonlinear oscillators with several limit cycles
M. C. Depassier, J. Mura
We study limit cycles of nonlinear oscillators described by the equation . Depending on the nonlinearity this equation may exhibit different number of…