Integrable Hamiltonian systems on Lie groups: Kowalevski type
Abstract
The contributions of Sophya Kowalewski to the integrability theory of the equations for the heavy top extend to a larger class of Hamiltonian systems on Lie groups; this paper explains these extensions, and along the way reveals further geometric significance of her work in the theory of elliptic curves. Specifically, in this paper we shall be concerned with the solutions of the following differential system in six variables h1,h2,h3,H1,H2,H3 dH1/dt = H2 H3 (1/c3 - 1/c2) + h2 a3 - h3 a2, dH2/dt = H1 H3 (1/c1 - 1/c3) + h3 a1 - h1 a3, dH3/dt = H1 H2 (1/c2 - 1/c1) + h1 a2 - h2 a1, dh1/dt = h2 H3/c3 - h3 H2/c2 + k (H2 a3 - H3 a2), dh2/dt = h3 H1/c1 - h1 H3/c3 + k (H3 a1 - H1 a3), dh3/dt = h1 H2/c2 - h2 H1/c1 + k (H1 a2 - H2 a1), in which a1,a2,a3,c1,c2,c3 and k are constants.
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