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This article is cited in 21 scientific papers (total in 21 papers)
On a Negative Flow of the AKNS Hierarchy and Its Relation to a Two-Component Camassa–Holm Equation
Henrik Aratyna, Jose Francisco Gomesb, Abraham H. Zimermanb a Department of Physics, University of Illinois at Chicago, 845 W. Taylor St., Chicago, Illinois 60607-7059
b Instituto de Física Teórica-UNESP, Rua Pamplona 145, 01405-900 São Paulo, Brazil
Abstract:
Different gauge copies of the Ablowitz–Kaup–Newell–Segur (AKNS) model labeled by an angle $\theta$ are constructed and then reduced to the two-component Camassa–Holm model. Only three different independent classes of reductions are encountered corresponding to the angle $\theta$ being 0, $\pi/2$ or taking any value
in the interval $0<\theta<\pi/2$. This construction induces Bäcklund transformations between solutions of the two-component Camassa–Holm model associated with different classes of reduction.
Keywords:
integrable hierarchies; Camassa–Holm equation; Bäcklund transformation.
Received: September 13, 2006; in final form October 5, 2006; Published online October 17, 2006
Citation:
Henrik Aratyn, Jose Francisco Gomes, Abraham H. Zimerman, “On a Negative Flow of the AKNS Hierarchy and Its Relation to a Two-Component Camassa–Holm Equation”, SIGMA, 2 (2006), 070, 12 pp.
Linking options:
https://www.mathnet.ru/eng/sigma98 https://www.mathnet.ru/eng/sigma/v2/p70
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