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An upper estimate for the number of limit cycles of even-degree Liénard equations in the focus case

✍ Scribed by G. Kolutsky

Book ID
106408365
Publisher
Springer
Year
2011
Tongue
English
Weight
571 KB
Volume
17
Category
Article
ISSN
0925-4668

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✍ Armengol Gasull; Hector Giacomini 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 180 KB

We consider a class of planar differential equations which include the Lie´nard differential equations. By applying the Bendixson-Dulac Criterion for '-connected sets we reduce the study of the number of limit cycles for such equations to the condition that a certain function of just one variable do