Abstract
A detailed discussion of the material presented here as well as of the theory of the multi-parameter approximate groups can be found in [1].
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References
V. A. Baikov, R. K. Gazizov, and N. H. Ibragimov. Approximate symmetries. Math. Sbornik, 136 (178), No. 3: 435–450, 1988. English transl., Math. USSR Sb., 64 (1989), No. 2, pp. 427–441.
V. A. Baikov, R. K. Gazizov, and N. H. Ibragimov. Approximate symmetries and conservation laws. Trudy Matem. Inst. Steklova, 200:35–45, 1991. English transl. by AMS, Proceedings of the Steklov Institute of Mathematics, No. 2 (1993), pp. 35–47.
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(2009). Approximate Transformation Groups and Symmetries. In: Approximate and Renormgroup Symmetries. Nonlinear Physical Science. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00228-1_2
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DOI: https://doi.org/10.1007/978-3-642-00228-1_2
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