Summary
We describe a simple method to find Bäcklund transformations of a given nonlinear evolution equation, exploiting the closed non-Abelian prolongation algebra related to the equation, within the Estabrook-Wahlquist prolongation scheme, without using explicit representations from the start. This procedure works generally forN-dimensional pseudopotentials.
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Leo, M., Leo, R.A., Soliani, G. et al. On the use of closed non-Abelian prolongation algebras to find Bäcklund transformations of nonlinear evolution equations. Lett. Nuovo Cimento 41, 497–502 (1984). https://doi.org/10.1007/BF02748392
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DOI: https://doi.org/10.1007/BF02748392