Letteratura, potere ed etica. Laura Toppan dialoga con Gëzim Hajdari

Toppan, Laura; Hajdari, Gezim

doi:10.4000/cher.10806

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“…Recently higher spin constructions have been related to the KdV equation [35]. See [36,37] for a direct relation of C-D algebras and dimensionally reduced supersymmetric theories.…”

Section: Introductionmentioning

confidence: 99%

A new integrable equation valued on a Cayley–Dickson algebra

Restuccia

Sotomayor

Veiro

2018

J. Phys. A: Math. Theor.

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We introduce a new integrable equation valued on a Cayley-Dickson (C-D) algebra. In the particular case in which the algebra reduces to the complex one the new interacting term in the equation cancells and the equation becomes the known Korteweg-de Vries equation. For each C-D algebra the equation has an infinite sequence of local conserved quantities. We obtain a Bäcklund transformation in the sense of Walhquist-Estabrook for the equation for any Cayley-Dickson algebra, and relate it to a generalized Gardner equation. From it, the infinite sequence of conserved quantities follows directly. We give the explicit expression for the first few of them. From the Bäcklund transformation we get the Lax pair and the one-soliton and two-soliton solutions generalizing the known solutions for the quaternion valued KdV equation. From the Gardner equation we obtain the generalized modified KdV equation which also has an infinite sequence of conserved quantities. The new integrable equation is preserved under a subgroup of the automorphisms of the C-D algebra. In the particular case of the algebra of octonions, the equation is invariant under SU (3).

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“…Recently higher spin constructions have been related to the KdV equation [35]. See [36,37] for a direct relation of C-D algebras and dimensionally reduced supersymmetric theories.…”

Section: Introductionmentioning

confidence: 99%