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Existence of limit cycles for Liénard-type systems withp-Laplacian

✍ Scribed by Jitsuro Sugie; Ai Kono; Aya Yamaguchi


Publisher
SP Birkhäuser Verlag Basel
Year
2007
Tongue
English
Weight
208 KB
Volume
14
Category
Article
ISSN
1021-9722

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A Note on “Uniqueness of Limit Cycles in
✍ Robert E. Kooij; Sun Jianhua 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 255 KB

proposed a theorem to guarantee the uniqueness of limit cycles for the generalized Lienard system Ž . Ž . Ž . dxrdt s h y y F x , dyrdt s yg x . We will give a counterexample to their Ž . theorem. It will be shown that their theorem is valid only if F x is monotone on certain intervals. For this ca