Is a nonclassical symmetry a symmetry?

zbMath1227.35033arXiv0903.0821MaRDI QIDQ3006815

Roman O. Popovych, Michael Kunzinger

Publication date: 21 June 2011

Full work available at URL: https://arxiv.org/abs/0903.0821

zbMATH Keywords

reduction operatorcardinality of essential nonclassical symmetries

Mathematics Subject Classification ID

Symmetries, invariants, etc. in context of PDEs (35B06)

Related Items (11)

Classification of reduction operators and exact solutions of variable coefficient Newell-Whitehead-Segel equations ⋮ Reduction operators and exact solutions of variable coefficient nonlinear wave equations with power nonlinearities ⋮ Extended symmetry analysis of generalized Burgers equations ⋮ Generalized conditional symmetries of evolution equations ⋮ Addendum to: Symmetry classification of quasi-linear PDE's. II: An exceptional case ⋮ Conditional symmetries and exact solutions of nonlinear reaction-diffusion systems with non-constant diffusivities ⋮ Group-theoretical analysis of variable coefficient nonlinear telegraph equations ⋮ Nonclassical symmetries and similarity solutions of variable coefficient coupled KdV system using compatibility method ⋮ Group properties of generalized quasi-linear wave equations ⋮ Differential Equations Invariant Under Conditional Symmetries ⋮ Singular reduction modules of differential equations

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