Sharp Bound of the Number of Zeros for a Liénard System with a Heteroclinic Loop

Junning Cai, Minzhi Wei, Guoping Pang and Binxiang Dai

Discrete Dynamics in Nature and Society, 2021, vol. 2021, 1-9

Abstract: In the presented paper, the Abelian integral Ih of a Liénard system is investigated, with a heteroclinic loop passing through a nilpotent saddle. By using a new algebraic criterion, we try to find the least upper bound of the number of limit cycles bifurcating from periodic annulus.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:6625657

DOI: 10.1155/2021/6625657

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