Cubic systems of nonlinear oscillations with seven limit cycles (Q1778173)
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scientific article; zbMATH DE number 2176535
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Cubic systems of nonlinear oscillations with seven limit cycles |
scientific article; zbMATH DE number 2176535 |
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Cubic systems of nonlinear oscillations with seven limit cycles (English)
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17 June 2005
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The author considers a cubic autonomous system of Kukles-type and, using the computer algebra system MATHEMATICA for calculation of the first seven focus quantities of the origin, gives a proof for the existence of at least seven small-amplitude limit cycles for such a system.
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cubic system of nonlinear oscillations
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focus quantity
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limit cycle
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