期刊论文详细信息
Symmetry Integrability and Geometry-Methods and Applications
Liouville Correspondences between Integrable Hierarchies
article
Jing Kang1  Xiaochuan Liu1  Peter J. Olver2  Changzheng Qu3 
[1] Center for Nonlinear Studies and School of Mathematics, Northwest University;School of Mathematics, University of Minnesota;Center for Nonlinear Studies and Department of Mathematics, Ningbo University
关键词: Liouville transformation;    Miura transformation;    bi-Hamiltonian structure;    conservation law;    Novikov equation;    Degasperis–Procesi equation;    Sawada–Kotera equation;    Kaup–Kupershmidt equation;   
DOI  :  10.3842/SIGMA.2017.035
来源: National Academy of Science of Ukraine
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【 摘 要 】

In this paper, we study explicit correspondences between the integrable Novikov and Sawada-Kotera hierarchies, and between the Degasperis-Procesi and Kaup-Kupershmidt hierarchies. We show how a pair of Liouville transformations between the isospectral problems of the Novikov and Sawada-Kotera equations, and the isospectral problems of the Degasperis-Procesi and Kaup-Kupershmidt equations relate the corresponding hierarchies, in both positive and negative directions, as well as their associated conservation laws. Combining these results with the Miura transformation relating the Sawada-Kotera and Kaup-Kupershmidt equations, we further construct an implicit relationship which associates the Novikov and Degasperis-Procesi equations.

【 授权许可】

Unknown   

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