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Inversion of hyperelliptic integrals of arbitrary genus with application to particle motion in General Relativity

机译:任意属的超椭圆积分的反演及其应用   广义相对论中的粒子运动

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摘要

The description of many dynamical problems like the particle motion in higherdimensional spherically and axially symmetric space-times is reduced to theinversion of a holomorphic hyperelliptic integral. The result of the inversionis defined only locally, and is done using the algebro-geometric techniques ofthe standard Jacobi inversion problem and the foregoing restriction to the$\theta$--divisor. For a representation of the hyperelliptic functions theKlein--Weierstra{\ss} multivariable sigma function is introduced. It is shownthat all parameters needed for the calculations like period matrices andAbelian images of branch points can be expressed in terms of the periods ofholomorphic differentials and theta-constants. The cases of genus two and threeare considered in detail. The method is exemplified by particle motionassociated with a genus three hyperelliptic curve.
机译:对许多动力学问题的描述,例如在高维球面和轴对称时空中的质点运动,被简化为全纯超椭圆积分的反演。反演的结果仅在本地定义,并使用标准Jacobi反演问题的代数几何技术以及前面对θ除数的限制来完成。为了表示超椭圆函数,引入了Klein-Weierstra {\ ss}多变量sigma函数。结果表明,计算所需的所有参数,如周期矩阵和分支点的阿贝尔图像,都可以用全纯微分和θ常数表示。详细讨论第二和第三属的情况。该方法以与三类超椭圆曲线相关的粒子运动为例。

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