The cyclicity of the period annulus of two classes of cubic isochronous systems (Q2866702)
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scientific article; zbMATH DE number 6238525
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The cyclicity of the period annulus of two classes of cubic isochronous systems |
scientific article; zbMATH DE number 6238525 |
Statements
13 December 2013
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cubic system
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isochronous center
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limit cycle
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The cyclicity of the period annulus of two classes of cubic isochronous systems (English)
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The authors study the cyclicity of the period annulus of two classes of cubic isochronous systems. By using the Chebyshev criterion, it is proved that the two systems have, respectively, at most three and four limit cycles bifurcated from the period annulus around the isochronous center under cubic perturbations.
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