Abstract
Local M operators for the classical sine-Gordon model in discrete space-time are constructed by convolution of the quantum trigonometric 4×4 R matrix with certain vectors in its “quantum” space. Components of the vectors are τ functions of the model. This construction generalizes the known representation of continuous-time M operators in terms of the classical r matrix.
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Pis’ma Zh. Éksp. Teor. Fiz. 66, No. 9, 620–625 (10 November 1997)
Published in English in the original Russian journal. Edited by Steve Torstveit.