Comment on “Exact explicit travelling wave solutions for (n+1)-dimensional Klein–Gordon–Zakharov equations” [Chaos, solitons and fractals 34(2007) 867–871]

Heng Wang and Shuhua Zheng

Chaos, Solitons & Fractals, 2016, vol. 82, issue C, 83-86

Abstract: Jibin Li studied “exact explicit travelling wave solutions for (n+1)-dimensional Klein–Gordon–Zakharov equations.” By using the approach of dynamical system, the author claimed that they had obtained five classes of exact explicit travelling wave solutions. However, we checked the results and found two typographical technical errors in the main results. Furthermore, the author fails to note, for a=0,b<0,h∈(0,∞) and a<0,b>0,h=0, there is a family of periodic wave solutions and a series of breaking wave solutions, respectively.

Keywords: Klein–Gordon–Zakharov equations; Dynamical system method; Periodic wave solution; Breaking wave solution (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:82:y:2016:i:c:p:83-86

DOI: 10.1016/j.chaos.2015.11.002

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