Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2006-06-30
SIGMA 2 (2006), 063, 10 pages
Nonlinear Sciences
Exactly Solvable and Integrable Systems
Published in SIGMA (Symmetry, Integrability and Geometry: Methods and Applications) at http://www.emis.de/journals/SIGMA/
Scientific paper
10.3842/SIGMA.2006.063
The general KdV equation (gKdV) derived by T. Chou is one of the famous (1+1) dimensional soliton equations with variable coefficients. It is well-known that the gKdV equation is integrable. In this paper a higher-dimensional gKdV equation, which is integrable in the sense of the Painleve test, is presented. A transformation that links this equation to the canonical form of the Calogero-Bogoyavlenskii-Schiff equation is found. Furthermore, the form and similar transformation for the higher-dimensional modified gKdV equation are also obtained.
Kobayashi Tadashi
Toda Kouichi
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