Abstract
Associated with the prime number \(p=3\), a combined model of generalized bilinear Kadomtsev–Petviashvili and Boussinesq equation (gbKPB for short) in terms of the function f is proposed, which involves four arbitrary coefficients. To guarantee the existence of lump solutions, a constraint among these four coefficients is presented firstly, and then, the lump solutions are constructed and classified via searching for positive quadratic function solutions to the gbKPB equation. Different conditions posed on lump parameters are investigated to keep the analyticity and rational localization of the resulting solutions. Finally, 3-dimensional plots, density plots and 2-dimensional curves with particular choices of the involved parameters are given to show the profile characteristics of the presented lump solutions for the potential function \(u=2(\mathrm{{ln}}f)_x\).
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Acknowledgments
This work is supported by the 111 Project of China (B16002), the National Natural Science Foundation of China under Grant No. 61308018, by China Postdoctoral Science Foundation under Grant No. 2014T70031, by the Fundamental Research Funds for the Central Universities of China (2015JBM111). Dr. Ma is supported in part by the National Natural Science Foundation of China under Grant Nos. 11371326 and 11271008, Natural Science Foundation of Shanghai under Grant No. 11ZR1414100, Zhejiang Innovation Project of China under Grant No. T200905, the First-class Discipline of Universities in Shanghai and the Shanghai University Leading Academic Discipline Project (No. A13-0101-12-004) and the Distinguished Professorship at Shanghai University of Electric Power. Dr. Chen is supported by the National Natural Science Foundation of China under Grant Nos. 11301454 and 11271168, the Natural Science Foundation for Colleges and Universities in Jiangsu Province (13KJD110009), the Jiangsu Qing Lan Project (2014) and XZIT (XKY 2013202).
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Lü, X., Chen, ST. & Ma, WX. Constructing lump solutions to a generalized Kadomtsev–Petviashvili–Boussinesq equation. Nonlinear Dyn 86, 523–534 (2016). https://doi.org/10.1007/s11071-016-2905-z
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DOI: https://doi.org/10.1007/s11071-016-2905-z