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Centers of reversible cubic perturbations of the symmetric 8-loop Hamiltonian
Archiv der Mathematik ( IF 0.5 ) Pub Date : 2020-07-01 , DOI: 10.1007/s00013-020-01495-8
Fatma Sassi , Ameni Gargouri , Lubomir Gavrilov , Bassem Ben Hamed

We show that the center set of reversible cubic systems, close to the symmetric Hamiltonian system $x'=y, y'= x-x^3$ has two irreducible components of co-dimension two in the parameter space. One of them corresponds to the Hamiltonian stratum, the other to systems which are polynomial pull back of an appropriate linear system

中文翻译:

对称 8 环哈密顿量的可逆三次微扰的中心

我们表明可逆三次系统的中心集,接近对称哈密顿系统 $x'=y, y'= xx^3$ 在参数空间中具有两个不可约分量的共同维度 2。其中一个对应于哈密顿层,另一个对应于适当线性系统的多项式拉回系统
更新日期:2020-07-01
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