The Double Integrable Couplings of Tu Hierarchy |
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| Authors: | FENG Bin-Lu HAN Bo WEI Yuan |
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| Institution: | 1. Department of Mathematics, Harbin Institute of
Technology, Harbin 150001, China
;2. Department of Mathematics and Information, Binzhou
University, Binzhou 256600, China |
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| Abstract: | Two types of Lie algebras are presented, from which two integrable
couplings associated with the Tu isospectral problem are obtained,
respectively. One of them possesses the Hamiltonian structure
generated by a linear isomorphism and the quadratic-form identity.
An approach for working out the double integrable couplings of the
same integrable system is presented in the paper. |
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| Keywords: | Lie algebra integrable couplings isospectral problem Hamiltonian structure |
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