Abstract

In this paper low regularity local well-posedness results for the Kadomtsev–Petviashvili–I equation posed in spatial dimension d=3 are proved. Periodic, non-periodic and mixed settings as well as generalized dispersion relations are considered. In the weak dispersion regime these initial value problems show a quasilinear behavior so that bilinear and energy estimates on frequency dependent time scales are used in the analysis.

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