The Lax pair for $C_{2}$-type Ruijsenaars-Schneider model

@inproceedings{Chen2000TheLP,
  title={The Lax pair for \$C\_\{2\}\$-type Ruijsenaars-Schneider model},
  author={Kai Chen and Bo‐yu Hou and Wen-Li Yang},
  year={2000}
}
We study the C_2 Ruijsenaars-Schneider(RS) model with interaction potential of trigonometric type. The Lax pairs for the model with and without spectral parameter are constructed. Also given are the involutive Hamiltonians for the system. Taking nonrelativistic limit, we obtain the Lax pair of C_2 Calogero-Moser model. 
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