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Zeros of abelian integrals for the reversible codimension four quadratic centersQ3r∩Q4

✍ Scribed by Yulin Zhao

Book ID: 105618290
Publisher: The Hebrew University Magnes Press
Year: 2003
Tongue: English
Weight: 662 KB
Volume: 136
Category: Article
ISSN: 0021-2172
DOI: 10.1007/bf02807194

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📜 SIMILAR VOLUMES

The Monotonicity of Period Function for

The Monotonicity of Period Function for Codimension Four Quadratic System Q4

✍ Yulin Zhao 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 167 KB

In this paper, we study the codimension four quadratic system It is proved that the period function of periodic trajectories for Q 4 is monotone. The content of this paper can be viewed as a contribution to the proof of Chicone's conjecture (cf. MR: 94h:58072).

Linear estimate of the number of zeros o

Linear estimate of the number of zeros of Abelian integrals for quadratic centers having almost all their orbits formed by cubics

✍ Yulin Zhao; Weigu Li; Chengzhi Li; Zhifen Zhang 📂 Article 📅 2002 🏛 SP Science China Press 🌐 English ⚖ 205 KB