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arXiv 0911.4467math.DGmath-phmath.MP
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零曲线上的Hamilton流

Hamiltonian flows on null curves

Emilio Musso, Lorenzo Nicolodi

摘要:

三维Minkowski空间中零曲线的局部运动导出了其Lorentz不变曲率的发展方程。构造了特殊的运动,其诱导发展方程是KdV族的成员.证明了在KdV流下运动而形状不变的零曲线是某个粒子模型在零曲线上的轨迹,零曲线由曲率中的拉格朗日线性方程描述。此外,它示出的曲率的零曲线的相似性演变,可以计算的第二Painlevé方程的解决方案。

英文摘要:

The local motion of a null curve in Minkowski 3-space induces an evolution equation for its Lorentz invariant curvature. Special motions are constructed whose induced evolution equations are the members of the KdV hierarchy. The null curves which move under the KdV flow without changing shape are proven to be the trajectories of a certain particle model on null curves described by a Lagrangian linear in the curvature. In addition, it is shown that the curvature of a null curve which evolves by similarities can be computed in terms of the solutions of the second Painlevé equation.

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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