Abstract
The hydrodynamical approximation to an infinite system of one-dimensional identical hard rods interacting through elastic collisions, is shown to be an integrable system possessing a one-parameter family of nonlinear Hamiltonian structures.
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Kupershmidt, B.A. On the kinetic equations of a system of one-dimensional hard rods. Lett Math Phys 15, 281–287 (1988). https://doi.org/10.1007/BF00419585
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DOI: https://doi.org/10.1007/BF00419585