Solution of center-focus problem for a class of cubic systems (Q270173)
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scientific article; zbMATH DE number 6564025
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Solution of center-focus problem for a class of cubic systems |
scientific article; zbMATH DE number 6564025 |
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Solution of center-focus problem for a class of cubic systems (English)
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7 April 2016
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The center-focus problem is solved for the system \[ \begin{aligned} \dot x &= y+ c_{2,0}x^2+ c_{3,0} x^3,\\ \dot y &=-x+ d_{2,0} x^2+ d_{2,1}xy+ d_{3,0}x^3+ d_{3,1} x^2y+ d_{3,2}xy^2.\end{aligned} \]
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center variety
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isochronous center
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center conditions
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integrating factor
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