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Chau, L.L., Shaw, J.C. and Yen, H.C. (1992) Solving the KP Hierarchy by Gauge Transformations. Communications in Theoretical Physics, 149, 263-278.
http://dx.doi.org/10.1007/bf02097625

has been cited by the following article:

• TITLE: A Gauge Transformation between Ragnisco-Tu Hierarchy and a Related Lattice Hierarchy

  AUTHORS: Yuqing Liu, Chao Hu, Juan Dai

  KEYWORDS: Ragnisco-Tu Hierarchy, Gauge Transformation, Transfer Operator, Darboux Transformation

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.3 No.10, October 28, 2015

  ABSTRACT: A new lattice hierarchy related to Ragnisco-Tu equation is proposed and its gauge equivalence to Ragnisco-Tu equation is proven. As an application of gauge transformation, we construct Darboux transformation (DT) of this new equation through DT of Ragnisco-Tu equation. An explicit exact solution is presented as an example.