Conditional stability of multi-solitons for the 1D NLKG equation with double power nonlinearity

2020/04/07 by Yuan, Xu
#Analysis of PDEs (math.AP) #FOS: Mathematics

paper · doi:10.48550/arxiv.2004.03204

Abstract

We consider the one-dimensional nonlinear Klein-Gordon equation with a double power focusing-defocusing nonlinearity ∂_t²u-∂_x²u+u-|u|^p-1u+|u|^q-1u=0, on [0,∞)× ℝ, with 1

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