Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2004-12-17
Regular and Chaotic Dynamics, v.9(2), p. 169, 2004.
Nonlinear Sciences
Exactly Solvable and Integrable Systems
LaTeX, 24 pages
Scientific paper
10.1088/0305-4470/38/13/007
For the Kowalevski gyrostat change of variables similar to that of the Kowalevski top is done. We establish one to one correspondence between the Kowalevski gyrostat and the Clebsch system and demonstrate that Kowalevski variables for the gyrostat practically coincide with elliptic coordinates on sphere for the Clebsch case. Equivalence of considered integrable systems allows to construct two Lax matrices for the gyrostat using known rational and elliptic Lax matrices for the Clebsch model. Associated with these matrices solutions of the Clebsch system and, therefore, of the Kowalevski gyrostat problem are discussed. The Kotter solution of the Clebsch system in modern notation is presented in detail.
Komarov Iu. V.
Tsiganov Andrey V.
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