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arXiv math-ph/0601032math-phmath.MP
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Borel可和性与Lindstedt级数

Borel summability and Lindstedt series

O. Costin, G. Gallavotti, G. Gentile, A. Giuliani

摘要:

受扰动的可积系统的共振运动可能继续存在,并覆盖表面的参数方程,允许形式的功率扩展的扰动的强度。这样的系列可以,有时,通过适当的总和规则定义的扰动强度的$C^\infty$函数的总和:在这里,我们找到了足够的条件,在二维旋转矢量的情况下,与丢番图指数$τ=1$(e。G.两个独立频率的比率等于黄金平均值)。

英文摘要:

Resonant motions of integrable systems subject to perturbations may continue to exist and to cover surfaces with parametric equations admitting a formal power expansion in the strength of the perturbation. Such series may be, sometimes, summed via suitable sum rules defining $C^\infty$ functions of the perturbation strength: here we find sufficient conditions for the Borel summability of their sums in the case of two-dimensional rotation vectors with Diophantine exponent $τ=1$ (e. g. with ratio of the two independent frequencies equal to the golden mean).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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