科研之友
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摘要
In this paper, we present multi-parametric quad-graph equations which are consistent around the cube. These equations are obtained by applying a 'double twist' to known integrable equations. Furthermore, we perform a limit to one of these equations to derive the non-symmetric equation which is equation (19) in Hietarinta and Viallet (2007 J. Phys. A: Math. Gen. 40 12629). As a result, we obtain a Lax pair for this equation.
- 出版日期2015-3-20
