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Comments on “New exact kink solutions, solitons and periodic form solutions for a combined KdV and Schwarzian KdV equation” |
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| Authors: | Chuanjian Wang Songqing Lin Gui Mu |
| Affiliation: | School of Mathematics and Statistics, Yunnan University, Kunming 650091, PR China |
| Abstract: | In this paper, we demonstrate that 14 solutions from 34 of the combined KdV and Schwarzian KdV equation obtained by Li [Z.T. Li, Appl. Math. Comput. 215 (2009) 2886-2890] are wrong and do not satisfy the equation. The other a number of exact solutions are equivalent each other. |
| Keywords: | Nonlinear partial differential equation Combined KdV and Schwarzian KdV equation Generalized Riccati equation mapping method Exact solution |
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