,The projective Riccati equation expansion method and variable separation solutions for the nonlinea

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Using the projective Riccati equation expansion (PREE) method, new families of variable separation solutions(including solitary wave solutions, periodic wave solutions and rational function solutions) with arbitrary functions for two nonlinear physical models are obtained. Based on one of the vriable separation solutions and by choosing appropriate functions, new types of interactions between the multi-valued and single-valued solitons, such as a peakonlike semi-foldon and a peakon, a compacton-like semi-foldon and a compacton, are investigated.
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