期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 53, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4726510
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资金
- NSF of China (NSFC) [10971109]
- Ningbo University
- Program for NCET [NCET-08-0515]
- Scientific Research Foundation of Graduate School of Ningbo University
The Gerdjikov-Ivanov (GI) system of q and r is defined by a quadratic polynomial spectral problem with 2 x 2 matrix coefficients. Each element of the matrix of n-fold Darboux transformation (DT) for this system is expressed by a ratio of (n + 1) x (n + 1) determinant and n x n determinant of eigenfunctions, which implies the determinant representation of q([n]) and r([n]) generated from known solution q and r. By choosing some special eigenvalues and eigenfunctions according to the reduction conditions q([n]) = -(r([n]))*, the determinant representation of q([n]) provides new solutions of the GI equation. As examples, the breather solutions and rogue wave of the GI are given explicitly by the two-fold DT from a periodic seed with a constant amplitude. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4726510]
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