Two (2+1)-dimensional expanding dynamical systems associated to the mKP hierarchy
Two (2+1)-dimensional expanding dynamical systems associated to the mKP hierarchy
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与 mKP 层次结构相关的两 (2 1) 维扩展动力系统
DOI:
10.1016/j.amc.2015.06.112
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发表时间:
2015-10
影响因子:
4
通讯作者:
Wu Lixin
中科院分区:
文献类型:
--
作者:
Zhang Yufeng;Wu Lixin
An isospectral problem with a parameter ϵ is presented, for which a modified KdV (mKdV) hierarchy is easily derived from the Tu scheme. Then two different expanding integrable models are obtained, respectively. The main purpose for this focuses on deriving a (2+ 1)-dimensional mKdV hierarchy (called the mKP hierarchy) and the corresponding different (2+ 1)-dimensional expanding models (including the linear and nonlinear), whose Hamiltonian structures are obtained by employing an identity developed by us in the paper. As the reduced consequences, the linear and nonlinear (2+ 1)-dimensional expanding models of the mKP equation are generated.
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DOI:
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期刊:
Journal of Physics A
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