Abstract
Group classification with respect to admitted point transformation groups is carried out for second-order ordinary differential equations with cubic nonlinearity of the first-order derivative. The result is obtained with use of the invariants of the equivalence transformation group of the family of equations under consideration. The corresponding Riemannian metric is found for the equations that are the projection of the system of geodesics to a two-dimensional surface.
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Original Russian Text © Yu.Yu. Bagderina, 2016, published in Sibirskii Zhurnal Industrial’noi Matematiki, 2016, Vol. XIX, No. 1, pp. 37–51.
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Bagderina, Y.Y. Group classification of projective type second-order ordinary differential equations. J. Appl. Ind. Math. 10, 37–50 (2016). https://doi.org/10.1134/S1990478916010051
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DOI: https://doi.org/10.1134/S1990478916010051