A class of cubic systems with two centers or two foci (Q1972053)
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scientific article; zbMATH DE number 1423628
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A class of cubic systems with two centers or two foci |
scientific article; zbMATH DE number 1423628 |
Statements
A class of cubic systems with two centers or two foci (English)
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28 August 2000
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Here, necessary and sufficient conditions for a class of cubic differential systems to possess two centers are given. Some conditions on the systems to have two weak foci are also derived by using the computer algebra system MAPLE.
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Kukles system
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center
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focus
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