Symmetry classification of variable coefficient cubic-quintic nonlinear schrodinger equations
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CitationÖZDEMİR, C., GÜNGÖR, F. (2013). Symmetry classification of variable coefficient cubic-quintic nonlinear schrodinger equations. Journal of Mathematical Physics, 54 (2), 13p. https://dx.doi.org/10.1063/1.4789543.
A Lie-algebraic classification of the variable coefficient cubic-quintic nonlinear Schrodinger equations involving 5 arbitrary functions of space and time is performed under the action of equivalence transformations. It is shown that the symmetry group can be at most four-dimensional in the case of genuine cubic-quintic nonlinearity. It may be five-dimensional (isomorphic to the Galilei similitude algebra gs(1)) when the equation is of cubic type, and six-dimensional (isomorphic to the Schrodinger algebra sch(1)) when it is of quintic type.