Degenerately Integrable Systems
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The subject of this paper is degenerate integrability in Hamiltonian mechanics. We start with a short survey of degenerate integrability. The first section contains basic notions. It is followed by a number of examples which include the Kepler system, Casimir models, spin Calogero models, spin Ruijsenaars models, and integrable models on symplectic leaves of Poisson Lie groups. The new results are degenerate integrability of relativistic spin Ruijsenaars and Calogero–Moser systems and the duality between them. Bibliography: 30 titles.
KeywordsModulus Space Conjugacy Class Poisson Structure Poisson Algebra Coadjoint Orbit
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