Radius Renormalization in Limit Cycles

Peter B. Kahn, Yair Zarmi

Research output: Contribution to journalArticlepeer-review


Oscillatory problems that exhibit limit cycles due to small nonlinearities are studied within the framework of the method of normal forms. It is shown that the zero-order term in the perturbative expansion of the solution can be chosen so that the radius of the asymptotic circle approximation to the limit cycle is unaffected by higher-order corrections.
Original languageEnglish
Pages (from-to)189-199
JournalProceedings: Mathematical and Physical Sciences
Issue number1908
StatePublished - 1 Jan 1993


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