Limit cycles for generalized Kukles polynomial differential systems
β Scribed by Jaume Llibre; Ana Cristina Mereu
- Publisher
- Elsevier Science
- Year
- 2011
- Tongue
- English
- Weight
- 246 KB
- Volume
- 74
- Category
- Article
- ISSN
- 0362-546X
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π SIMILAR VOLUMES
In this article, we give a recursive formula to compute the singular point quantities of a class of seventh-order polynomial systems. The first eleven singular point quantities have been computed with computer algebra system Mathematica, and the conditions for infinity to be a center have been deduc
In thin paper~ the number of hmlt cycles m a family of polynomial systems was studmd by the bifurcation methods With the help of a computer algebra system (e.g., MAPLE 7 0), we obtain that the least upper bound for the number of hmlt cycles appearing m a global bifurcation of systems (2.1) and ( 2.2