Abstract
The singularity of the Kepler motion can be eliminated by means of the spinor regularization. The extensive integrals of the Kepler motion form a Lie algebra with respect to the Poisson bracket operation. Mayer-Gürr has shown that in the caseH>0 the corresponding Lie group is the multiplicative group of all real 4×4 unimodular matrices SL(4,R). Kustaanheimo has posed the problem of the identification of the corresponding Lie groups in the elliptic and parabolic cases. We solve this problem here and use the opportunity to introduce the concept of the Clifford algebra which is needed in our solution.
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Lounesto, P. Lie groups of motor integrals of generalized Kepler motion. Celestial Mechanics 17, 207–213 (1978). https://doi.org/10.1007/BF01232827
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DOI: https://doi.org/10.1007/BF01232827