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By using the base equations technique and the transtormation relations to get new solutions of the base equations, we obtain some new multiple soliton solutions of n+1 dimensional nonlinear wave equations. Gibbon et al. pointed out that the number of the soliton in the multiple soliton solutions is constrainted by N≤2n+1. However, our result shows that their conclusion is not ture, the number of the soliton N may be an arbitrary positive integer.
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