Abstract
Our objective is to develop a calculation technique that allows performing an effective algebro-geometric (group) analysis of partial differential equations with arbitrarily many independent variables. We completely describe an important class of multidimensional evolution equations admitting Bäcklund correspondences of a given form. In particular, this class is found to be rather wide, although it turns out to be somewhat richer in the one-dimensional case because the requirement that mixed derivatives be equal is absent.
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 147, No. 2, pp. 3–13, May, 2006.
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Zharinov, V.V. Bäcklund correspondences for evolution equations in a multidimensional space. Theor Math Phys 147, 449–459 (2006). https://doi.org/10.1007/s11232-006-0053-1
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DOI: https://doi.org/10.1007/s11232-006-0053-1