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A class of integrable expanding model for the coupled AKNS-Kaup-Newell soliton hierarchy 认领 引用 被引量:1
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作者 杨洪祥 徐西祥 《Chinese Physics B》 CAS 2005年第5期869-874,共6页
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A Difference Hamiltonian Operator and a Hierarchy of Generalized Toda Lattice Equations 认领 引用 被引量:1
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作者 XUXi-Xiang YANGHong-Xiang DINGHai-Yong 《Communications in Theoretical Physics》 SCIE CAS 2005年第1X期1-7,共7页
A difference Ha-miltonian operator with three arbitrary constants is presented. When the arbitrary constants -in the Hamiltonian operator are suitably chosen, a pair of Hamiltonian operators are given. The resulting H... A difference Ha-miltonian operator with three arbitrary constants is presented. When the arbitrary constants -in the Hamiltonian operator are suitably chosen, a pair of Hamiltonian operators are given. The resulting Hamiltonian pair yields a difference hereditary operator. Using Magri scheme of bi-Hamiltonian formulation, a hierarchy of the generalized Toda lattice equations is constructed. Finally, the discrete zero curvature representation is given for the resulting hierarchy. 展开更多
关键词 Hamiltonian算子 微分函数 Hamiltonian公式 遗传算子 离散弯曲函数
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