English

Almost conservation laws and global rough solutions to a Nonlinear Schr\"odinger equation

Analysis of PDEs 2007-05-23 v1

Abstract

We prove an "almost conservation law" to obtain global-in-time well-posedness for the cubic, defocussing nonlinear Schr\"odinger equation in H^s(R^n) when n = 2, 3 and s > 4/7, 5/6, respectively.

Keywords

Cite

@article{arxiv.math/0203218,
  title  = {Almost conservation laws and global rough solutions to a Nonlinear Schr\"odinger equation},
  author = {J. Colliander and M. Keel and G. Staffilani and H. Takaoka and T. Tao},
  journal= {arXiv preprint arXiv:math/0203218},
  year   = {2007}
}

Comments

21 pages

R2 v1 2026-07-22T16:44:05.889Z