paper

On the Cauchy problem for the derivative nonlinear Schroedinger equation with periodic boundary condition

arXiv:math/0512461 · doi:10.1155/IMRN/2006/96763

Abstract

It is shown that the Cauchy problem for the DNLS equation in the spatially periodic setting is locally well-posed in Sobolev spaces H^s(T) for s \geq 1/2. Moreover, global well-posedness is shown for s \geq 1 and data with small L^2 norm.

22 pages

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