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Article Dans Une Revue Advances in Mathematical Physics Année : 2018

The Johnson Equation, Fredholm and Wronskian Representations of Solutions, and the Case of Order Three

Résumé

We construct solutions to the Johnson equation (J) first by means of Fredholm determinants and then by means of Wronskians of order 2N giving solutions of order N depending on 2N - 1 parameters. We obtain N order rational solutions that can be written as a quotient of two polynomials of degree 2N(N + 1) in x, t and 4N(N + 1) in y depending on 2N - 2 parameters. This method gives an infinite hierarchy of solutions to the Johnson equation. In particular, rational solutions are obtained. The solutions of order 3 with 4 parameters are constructed and studied in detail by means of their modulus in the (x, y) plane in function of time t and parameters a(1), a(2), b(1), and b(2).

Dates et versions

hal-01997516 , version 1 (29-01-2019)

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Pierre Gaillard. The Johnson Equation, Fredholm and Wronskian Representations of Solutions, and the Case of Order Three. Advances in Mathematical Physics, 2018, 2018, pp.1-18. ⟨10.1155/2018/1642139⟩. ⟨hal-01997516⟩
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