Hyperbolic nonlinear Schrödinger equations on
arXiv:2504.15836 · doi:10.1007/s42985-025-00359-6
Abstract
In this paper, we consider the hyperbolic nonlinear Schrödinger equations (HNLS) on . We obtain the sharp local well-posedness up to the critical regularity for cubic nonlinearity and in critical spaces for higher odd nonlinearities. Moreover, when the initial data is small, we prove the global existence and scattering for the solutions to HNLS with higher nonlinearities (except the cubic one) in critical Sobolev spaces. The main ingredient of the proof is the sharp up to the endpoint local/global-in-time Strichartz estimates.
arXiv commentThe new version contains a substitute of Theorem 1.8 of the first version of the paper
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