Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4625696 | Applied Mathematics and Computation | 2016 | 10 Pages |
Abstract
In this paper, we study the number of isolated zeros of Abelian integrals associated to system x˙=y,y˙=−x3(x2−1)2 under the perturbations of ϵ(α0+α1x2+α2x4+α3x6)y∂∂y, where 0 < |ϵ| ≪ 1 and αi ∈ R (i=0,1,2,3i=0,1,2,3). We find a special transformation such that four generating elements are reduced to special three ones and then the algebraic method can be used. The bounds and sharp bounds are obtained.
Related Topics
Physical Sciences and Engineering
Mathematics
Applied Mathematics
Authors
Xianbo Sun, Liqin Zhao,