Abstract
A theorem on the existence of a G-representation and a differential-geometric criterion of the kinematic integrability for nonlinear differential equations from the Λ2-G-classes is proved. Examples of zero-curvature representations and metrics for some equations of mathematical physics are presented.
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Translated from Fundamental’naya i Prikladnaya Matematika (Fundamental and Applied Mathematics), Vol. 11, No. 1, Geometry, 2005.
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Tikhomirov, D.V., Zadadaev, S.A. A differential-geometric criterion of the kinematic integrability of nonlinear differential equations. J Math Sci 141, 1075–1080 (2007). https://doi.org/10.1007/s10958-007-0035-3
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DOI: https://doi.org/10.1007/s10958-007-0035-3