A general 3 x 3 spectral problem is proposed and the related flows, which are four-component CH type equations, are constructed. Bi-Hamiltonian structures and infinitely many conserved quantities are worked out for the relevant systems. Different reductions are also considered. (C) 2014 Elsevier B.V. All rights reserved.
机构:
Politecn Bari, Dipartimento Meccan Matemat & Management, Via E Orabona 4, I-70125 Bari, ItalyPolitecn Bari, Dipartimento Meccan Matemat & Management, Via E Orabona 4, I-70125 Bari, Italy
Coclite, Giuseppe Maria
di Ruvo, Lorenzo
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机构:Politecn Bari, Dipartimento Meccan Matemat & Management, Via E Orabona 4, I-70125 Bari, Italy
机构:
Chinese Acad Sci, Acad Math & Syst Sci, LSEC, ICMSEC, POB 2719, Beijing 100190, Peoples R China
Univ Chinese Acad Sci, Sch Math Sci, Beijing 100049, Peoples R ChinaBeijing Univ Technol, Sch Math Stat & Mech, Dept Math, Beijing 100124, Peoples R China
Chang, Xiang-Ke
Chen, Xiao-Min
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Beijing Univ Technol, Sch Math Stat & Mech, Dept Math, Beijing 100124, Peoples R ChinaBeijing Univ Technol, Sch Math Stat & Mech, Dept Math, Beijing 100124, Peoples R China