Letter to the editor: A note on new exact solutions for the Kawahara equation using Exp-function method

Authors:
Nikolai A. Kudryashov
Affiliations:
Department of Applied Mathematics, National Research Nuclear University MEPHI, 31 Kashirskoe Shosse, 115409 Moscow, Russian Federation
Venue:
Journal of Computational and Applied Mathematics
Year:
2010

Citing 1
Cited 1

New exact solutions for the Kawahara equation using Exp-function method

Journal of Computational and Applied Mathematics

Comment on: "Application of Exp-function method for (3+1 )-dimensional nonlinear evolution equations" [Comput. Math. Appl. 56 (2008) 1451-1456]

Computers & Mathematics with Applications

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Abstract

Exact solutions of the Kawahara equation by Assas [L.M.B. Assas, New Exact solutions for the Kawahara equation using Exp-function method, J. Comput. Appl. Math. 233 (2009) 97-102] are analyzed. It is shown that all solutions do not satisfy the Kawahara equation and consequently all nontrivial solutions by Assas are wrong.