期刊
LETTERS IN MATHEMATICAL PHYSICS
卷 67, 期 2, 页码 83-94出版社
KLUWER ACADEMIC PUBL
DOI: 10.1023/B:MATH.0000032749.72618.93
关键词
bi-Hamiltonian structures; hierarchies
In this Letter we study the sine-Gordon and the Liouville hierarchies in laboratory coordinates from a bi-Hamiltonian point of view. Besides the well-known local structure these hierarchies possess a second compatible nonlocal Poisson structure.
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