期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 51, 期 11, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3504168
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资金
- National Natural Science Foundation of China [60772023]
- State Key Laboratory of Software Development Environment, Beijing University of Aeronautics and Astronautics [BUAA-SKLSDE-091CF-04, SKLSDE-2010ZX-07]
- National Basic Research Program of China (973 Program) [2005CB321901]
- Chinese Ministry of Education [200800130006]
In the framework of Bell-polynomial manipulations, under investigation hereby are three single-field bilinearizable equations: the (1+1)-dimensional shallow water wave model, Boiti-Leon-Manna-Pempinelli model, and (2+1)-dimensional Sawada-Kotera model. Based on the concept of scale invariance, a direct and unifying Bell-polynomial scheme is employed to achieve the Backlund transformations and Lax pairs associated with those three soliton equations. Note that the Bell-polynomial expressions and Bell-polynomial-typed Backlund transformations for those three soliton equations can be, respectively, cast into the bilinear equations and bilinear Backlund transformations with symbolic computation. Consequently, it is also shown that the Bell-polynomial-typed Backlund transformations can be linearized into the corresponding Lax pairs. (c) 2010 American Institute of Physics. [doi:10.1063/1.3504168]
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