## Global well-posedness and scattering for the defocusing, $L^{2}$-critical nonlinear Schrödinger equation when $d \geq 3$

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- by Benjamin Dodson PDF
- J. Amer. Math. Soc.
**25**(2012), 429-463 Request permission

## Abstract:

In this paper we prove that the defocusing, $d$-dimensional mass critical nonlinear Schrödinger initial value problem is globally well-posed and solutions scatter for $u_{0} \in L^{2}(\mathbf {R}^{d})$, $d \geq 3$. To do this, we will prove a frequency localized interaction Morawetz estimate similar to the estimate made by Colliander, Keel, Staffilani, Takaoka, and Tao. Since we are considering an $L^{2}$-critical initial value problem we will localize to low frequencies. The main new ingredient in this proof is a long time Strichartz estimate for the solution to the first equation given in the paper at high frequencies. The long term Strichartz estimates allow us to estimate the error in the interaction Morawetz estimate caused by localizing to low frequencies.## References

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## Additional Information

**Benjamin Dodson**- Affiliation: Department of Mathematics, University of California, Berkeley, 970 Evans Hall 3840, Berkeley, California 94720-3840
- MR Author ID: 891326
- Email: benjadod@math.berkeley.edu
- Received by editor(s): August 25, 2010
- Received by editor(s) in revised form: October 25, 2010, May 20, 2011, September 30, 2011, and November 7, 2011
- Published electronically: December 21, 2011
- Additional Notes: The author was supported by the National Science Foundation postdoctoral fellowship DMS-1103914 during some of the writing of this paper.
- © Copyright 2011
American Mathematical Society

The copyright for this article reverts to public domain 28 years after publication. - Journal: J. Amer. Math. Soc.
**25**(2012), 429-463 - MSC (2010): Primary 35Q55
- DOI: https://doi.org/10.1090/S0894-0347-2011-00727-3
- MathSciNet review: 2869023