A nonlocal Boussinesq equation: Multiple-soliton solutions and symmetry analysis |
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| Affiliation: | Institute of Nonlinear Science, Shaoxing University, Shaoxing 312000, China |
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| Abstract: | A nonlocal Boussinesq equation is deduced from the local one by using consistent correlated bang method. To study various exact solutions of the nonlocal Boussinesq equation, it is converted into two local equations which contain the local Boussinesq equation. From the N-soliton solutions of the local Boussinesq equation, the N-soliton solutions of the nonlocal Boussinesq equation are obtained, among which the (N=2,3,4)-soliton solutions are analyzed with graphs. Some periodic and traveling solutions of the nonlocal Boussinesq equation are derived directly from the known solutions of the local Boussinesq equation. Symmetry reduction solutions of the nonlocal Boussinesq equation are also obtained by using the classical Lie symmetry method. |
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| Keywords: | nonlocal Boussinesq equation N-soliton solution periodic waves symmetry reduction solutions |
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