Linear estimate of the number of zeros of Abelian integrals for quadratic centers having almost all their orbits formed by cubics期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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

Authors:	Yulin?Zhao author-information" > author-information__contact u-icon-before" > mailto:mcszyl@zsu.edu.cn" title=" mcszyl@zsu.edu.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Weigu?Li,Chengzhi?Li,Zhifen?Zhang

Affiliation:	1. Department of Mathematics, Zhongshan University, Guangzhou 510275, China 2. School of Mathematical Sciences, Peking University, Beijing 100871, China

Abstract:	We study the number of zeros of Abelian integrals for the quadratic centers having almost all their orbits formed by cubics, when we perturb such systems inside the class of all polynomial systems of degreen

Keywords:	Abelian integrals quadratic integrable system
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