| 摘 要： | In this paper, we study the global scattering result of the solution for the generalized Davey–Stewartson system(i?_tu + Δu = |u|~2u + uv_(x1),(t, x) ∈ R × R~3,-Δv =(|u|~2)_(x1).)The main difficulties are the failure of the interaction Morawetz estimate and the asymmetrical structure of nonlinearity(in particular, the nonlinearity is non-local). To compensate, we utilize the strategy derived from concentration-compactness idea, which was first introduced by Kenig and Merle Invent.Math., 166, 645–675(2006)].
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