On the Lax pairs for the generalized Kowalewski and Goryachev-Chaplygin tops

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A polynomial deformation of the Kowalewski top is considered. This deformation includes as a degeneration a new integrable case for the Kirchhoff equations found recently by one of the authors. A $5\times 5$ matrix Lax pair for the deformed Kowalewski top is proposed. Also deformations of the two-field Kowalewski gyrostat and the $so(p,q)$ Kowalewski top are found. All our Lax pairs are deformations of the corresponding Lax representations found by Reyman and Semenov-Tian {S}hansky. In addition, a similar deformation of the Goryachev-Chaplygin top and its $3\times 3$ matrix Lax representation is constructed.
9 pages, LaTeX, with corrections

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Exactly Solvable and Integrable Systems

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http://salesiana.dossiersoluciones.com/handle/123456789/80117

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nlin/0111035
 http://arxiv.org/abs/nlin/0111035

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arXiv