A Recursion Operator for the Universal Hierarchy Equation via Cartan's Method of Equivalence
classification
🌊 nlin.SI
math-phmath.DGmath.MP
keywords
equationcartanequivalencehierarchymethodoperatorrecursionuniversal
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We apply Cartan's method of equivalence to find a B\"acklund autotransformation for the tangent covering of the universal hierarchy equation. The transformation provides a recursion operator for symmetries of this equation.
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