Eigenvectors of the recursion operator and a symmetry structure for the coupled KdV hierarchy
作者:
Sen-Yue Lou,
期刊:
Journal of Nonlinear Mathematical Physics
(Taylor Available online 1994)
卷期:
Volume 1,
issue 4
页码: 401-413
ISSN:1402-9251
年代: 1994
DOI:10.2991/jnmp.1994.1.4.5
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
It is shown that eigenvectors of the recursion operatorLwith the eigenvalueλiand the inverse of the recursion operatorLi≡ L−λifor the coupled KdV hierarchy (CKdVH) can be obtained in terms of squared eigenfunctions of the associated linear problem. The symmetry structure and corresponding infinite dimensional Lie algebras of CKdVH are also given. Using both the local and nonlocal symmetries of CKdVH, one can obtain some exact group invariant solutions and various new infinite-dimensional and finite-dimensional integrable models.
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