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Comment on ‘two new integrable fourth-order nonlinear equations: multiple soliton solutions and multiple complex soliton solutions’

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Abstract

We comment on a recent paper by Wazwaz. We show that two fourth-order integrable nonlinear equations presented by him are related to the potential Ito equation by simple changes of variables.

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Acknowledgements

We would like to thank Prof. Q. P. Liu for interesting discussions, and anonymous referees for helpful comments. This work is supported by the National Natural Science Foundation of China (Grant Nos. 11871471 and 11931017).

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Authors and Affiliations

  1. Shanxi Engineering Vocational College, Taiyuan, 030009, People’s Republic of China

    Yunxia Tian

  2. Department of Mathematics, China University of Mining and Technology (Beijing), Beijing, 100083, People’s Republic of China

    Mengxia Zhang

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  1. Yunxia Tian
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  2. Mengxia Zhang
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Correspondence to Mengxia Zhang.

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Tian, Y., Zhang, M. Comment on ‘two new integrable fourth-order nonlinear equations: multiple soliton solutions and multiple complex soliton solutions’. Nonlinear Dyn 107, 3175–3176 (2022). https://doi.org/10.1007/s11071-021-07035-5

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  • DOI: https://doi.org/10.1007/s11071-021-07035-5

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