On a Hamiltonian form of an elliptic spin Ruijsenaars-Schneider system
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math.MP
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formellipticfoundhamiltonianruijsenaars-schneiderspinarutyunovbracket
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An explicit expression of a Hamiltonian form of an elliptic spin Ruijsenaars-Schneider is found in the case of 2 particles using Krichever-Phong's universal symplectic form. In the rational limit it coincides with a Poisson bracket found by Arutyunov and Frolov.
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Compatible Poisson structures on multiplicative quiver varieties
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