Laplace type invariants for variable coefficient mKdV equations
Date
2015ISSN
1742-6588Source
7th International Workshop on Group Analysis of Differential Equations and Integrable Systems, GADEIS 2014Volume
621Issue
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We consider a class of variable-coefficient mKdV equations. We derive the equivalence transformations in the infinitesimal form and we employ them to construct differential invariants of the respective equivalence algebra. Operators of invariant differentiation are also constructed. Applications, similar to Laplace invariants, are presented. © Published under licence by IOP Publishing Ltd.