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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Remarks on global a priori estimates for the nonlinear Schrödinger equation
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by J. Colliander, M. Grillakis and N. Tzirakis PDF
Proc. Amer. Math. Soc. 138 (2010), 4359-4371 Request permission

Abstract:

We present a unified approach for obtaining global a priori estimates for solutions of nonlinear defocusing Schrödinger equations with defocusing nonlinearities. The estimates are produced by contracting the local momentum conservation law with appropriate vector fields. The corresponding law is written for defocusing equations of tensored solutions. In particular, we obtain a new estimate in two dimensions. We bound the restricted $L_t^4L_{\gamma }^4$ Strichartz norm of the solution on any curve $\gamma$ in $\mathbb R^2$. For the specific case of a straight line we upgrade this estimate to a weighted Strichartz estimate valid in the full plane.
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Additional Information
  • J. Colliander
  • Affiliation: Department of Mathematics, University of Toronto, Toronto, Ontario, Canada M5S 2E4
  • Email: colliand@math.toronto.edu
  • M. Grillakis
  • Affiliation: Department of Mathematics, University of Maryland, College Park, Maryland 20742
  • MR Author ID: 77045
  • Email: mng@math.umd.edu
  • N. Tzirakis
  • Affiliation: Department of Mathematics, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801
  • Email: tzirakis@math.uiuc.edu
  • Received by editor(s): July 14, 2009
  • Received by editor(s) in revised form: February 9, 2010
  • Published electronically: June 18, 2010
  • Additional Notes: The work of the third author was supported by NSF grant DMS-0901222
  • Communicated by: Hart F. Smith
  • © Copyright 2010 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 138 (2010), 4359-4371
  • MSC (2010): Primary 35Q55
  • DOI: https://doi.org/10.1090/S0002-9939-2010-10487-2
  • MathSciNet review: 2680061