Local well-posedness of the fractional inhomogeneous NLS in Sobolev spaces
Radhia Ghanmi,
Salah Boulaaras,
Tarek Saanouni
Abstract:This work proves the local existence of solutions to some inhomogeneous nonlinear equations of Schrödinger type with a fractional Laplacian in Sobolev spaces. Moreover, for small datum, the local solution extends to a global one. We give an elementary proof based on Strichartz estimates coupled with a fix point argument. In order to avoid a loss of regularity in Strichartz estimates, we consider radial data.
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