Abstract
O n -invariant classical relativistic field theories in one time and one space dimension with interactions that are entirely due to quadratic constraints are shown to be closely related to integrable Hamiltonian systems.
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Communicated by A. S. Wightman
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Pohlmeyer, K. Integrable Hamiltonian systems and interactions through quadratic constraints. Commun.Math. Phys. 46, 207–221 (1976). https://doi.org/10.1007/BF01609119
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DOI: https://doi.org/10.1007/BF01609119