Abstract
Scalar multidimensionally consistent quadrilateral lattice equations are studied. We explore a confluence between the superposition principle for solutions related by the Bäcklund transformation, and the method of solving a Riccati map by exploiting two known particular solutions. This leads to an expression for the N-soliton-type solutions of a generic equation within this class. As a particular instance we give an explicit N-soliton solution for the primary model, which is Adler’s lattice equation (or Q4).
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Atkinson, J., Nijhoff, F. A Constructive Approach to the Soliton Solutions of Integrable Quadrilateral Lattice Equations. Commun. Math. Phys. 299, 283–304 (2010). https://doi.org/10.1007/s00220-010-1076-x
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DOI: https://doi.org/10.1007/s00220-010-1076-x