Local well-posedness for the quasi-linear Hamiltonian Schrödinger equation on tori

Abstract

We prove a local in time well-posedness result for quasi-linear Hamiltonian Schrödinger equations on ${\mathbb{T}}^d$ for any $d\ge 1$. For any initial condition in the Sobolev space $H^s$, with $s$ large, we prove the existence and unicity of classical solutions of the Cauchy problem associated to the equation. The lifespan of such a solution depends only on the size of the initial datum. Moreover we prove the continuity of the solution map.

arXiv commentSome typos have been corrected

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