Abstract
A new way of deriving Bäcklund transformations for nonlinear partial differential evolution equations is presented and applied to the following equations: Korteweg–de Vries, Gardner, Burgers, generalized KdV and the fifth order equations of the KdV hierarchies. The presented method is based on the assumption of the existence of particular forms of the Bäcklund transformations. This assumption is supported by the strong or semi-strong necessary condition concepts [Sokalski, K., Wietecha, T., Lisowski, Z., 2001. Acta Phys. Polon. B32, 17; Sokalski, K., Wietecha, T., Lisowski, Z., 2002. Int. J. Theor. Phys. Group Theory Nonlinear Opt., NOVA, 9, 331; Sokalski, K., Wietecha, T., Lisowski, Z., 2001. Acta Phys. Polon. B32, 2771; Sokalski, K., Wietecha, T., Sokalska, D. 2005. J. Nonlinear Math. Phys. 12, 31]. Its general form has been put within the framework of an algorithm and implemented in MAPLE.
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