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arXiv 0803.0893nlin.SImath.DSmath.SG
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两个常数场中Kowalevski顶的分岔图

Bifurcation diagrams of the Kowalevski top in two constant fields

Mikhail P. Kharlamov

摘要:

在两个恒定领域的Kowalevski顶部被称为一个独特的深刻的例子,一个可积的哈密顿系统与三个自由度不能减少到一个家庭的系统在更少的维度。作为对该系统进行拓扑分析的第一种方法,我们找到了积分映射的临界集,该临界集由频率数小于3的轨线组成。我们得到了R^3中的分歧图方程。建立了与经典Kowalevski问题中Appelrot类的对应关系。第一次积分值的容许区域是以能级上诱导图的一般性质的不等式和边界条件的形式给出的。

英文摘要:

The Kowalevski top in two constant fields is known as the unique profound example of an integrable Hamiltonian system with three degrees of freedom not reducible to a family of systems in fewer dimensions. As the first approach to topological analysis of this system we find the critical set of the integral map; this set consists of the trajectories with number of frequencies less than three. We obtain the equations of the bifurcation diagram in R^3. A correspondence to the Appelrot classes in the classical Kowalevski problem is established. The admissible regions for the values of the first integrals are found in the form of some inequalities of general character and boundary conditions for the induced diagrams on energy levels.

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