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Algorithms for differential invariants of symmetry groups of differential equations - MaRDI portal

Algorithms for differential invariants of symmetry groups of differential equations (Q945011)

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scientific article; zbMATH DE number 5324362
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Algorithms for differential invariants of symmetry groups of differential equations
scientific article; zbMATH DE number 5324362

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    Algorithms for differential invariants of symmetry groups of differential equations (English)
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    10 September 2008
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    A new computational algorithm for calculating the algebra of differential invariants of Lie symmetry pseudo-groups of differential equations is developed. It is based on the method of equivariant moving frames. This algorithm is illustrated in detail on the examples of Korteweg-deVries (KdV) and Kadomtsev-Petviashvili (KP) equations. In particular, the first complete classification of the differential invariants and their syzygies for the KP symmetry pseudo-group is given.
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    Lie pseudogroup
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    symmetry group
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    differential invariant
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    moving frame
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    differential equation
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    KdV equation
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    KP equation
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