Abstract
We construct a Lax pair with spectral parameter for a two-parameter doubly Poisson–Lie deformation of the principal chiral model.
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Klimčík, C. Integrability of the Bi-Yang–Baxter σ-Model. Lett Math Phys 104, 1095–1106 (2014). https://doi.org/10.1007/s11005-014-0709-y
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DOI: https://doi.org/10.1007/s11005-014-0709-y