The coexistence of subharmonics bifurcated from homoclinic orbits in singular systems

The coexistence of subharmonics bifurcated from homoclinic orbits in singular systems
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奇异系统中同宿轨道分叉的分谐波的共存

DOI:
10.1088/0951-7715/21/2/005
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发表时间:
2008-01
期刊:
影响因子:
1.7
通讯作者:
--
中科院分区:
数学2区
文献类型:
--
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研究了一类奇异常微分方程从退化同宿到线性无关次调和解的分支。标量和时间相关函数g被视为参数。通过基于Lyapunov-Schmidt约化的泛函分析方法,得到了各种分歧函数,其中零点对应于非零参数值下各种次调和解的共存性.这些共存的情形实际上在适当的参数空间中定义了不同的余维分歧流形。
The bifurcations from degenerate homoclinics to linearly independent subharmonic solutions are considered for singular ordinary differential equations. The scalar and time-dependent function g are regarded as parameters. By means of the functional analytic method based on the Lyapunov–Schmidt reduction, we obtain various bifurcation functions where the zeros correspond to the various coexistences of subharmonic solutions at nonzero parameter values. These situations of various coexistences actually define different bifurcation manifolds with finite codimension in an appropriate parameter space.
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