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The Derivation of a Fifth-Order Equation via the Lax and the Alternate Lax Methods

Year: 2025
Type: article
Abstract: We present the derivation of a fifth-order integrable nonlinear partial differential equation via the Lax method and the alternate Lax method in the continuous case. The Lax method uses a pair of differential operators, L and A, satisfying a compatibility condition. The pair (L,A) is known as the Lax pair. The alternate Lax method is a variation of the Lax method and use a consistency relation equivalent to the commutation of a certain derivative operator associated with the time evolution and the spacial evolution. In the paper we also show that the Lax method and the alternate Lax method are equivalent.
Language: English
Open Access status: diamond
OpenAlex ID: W4414622964
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Cites: 4
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