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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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On bounded pseudodifferential operators in a high-dimensional setting
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by L. Amour, L. Jager and J. Nourrigat PDF
Proc. Amer. Math. Soc. 143 (2015), 2057-2068 Request permission

Abstract:

This work is concerned with extending the results of Calderón and Vaillancourt, proving the boundedness of Weyl pseudodifferential operators $Op_h^{Weyl} (F)$ in $L^2({\mathbb R}^n)$. We state conditions under which the norm of such operators has an upper bound independent of $n$. To this aim, we apply a decomposition of the identity to the symbol $F$, thus obtaining a sum of operators of a hybrid type, each of them behaving as a Weyl operator with respect to some of the variables and as an anti-Wick operator with respect to the other ones. Then we establish upper bounds for these auxiliary operators, using suitably adapted classical methods like coherent states.
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Additional Information
  • L. Amour
  • Affiliation: Laboratoire de Mathématiques, EA 4535, FR CNRS-3399, Université de Reims Champagne-Ardenne, 51687 Reims, France
  • MR Author ID: 335671
  • Email: laurent.amour@univ-reims.fr
  • L. Jager
  • Affiliation: Laboratoire de Mathématiques, EA 4535, FR CNRS-3399, Université de Reims Champagne-Ardenne, 51687 Reims, France
  • MR Author ID: 627314
  • Email: lisette.jager@univ-reims.fr
  • J. Nourrigat
  • Affiliation: Laboratoire de Mathématiques, EA 4535, FR CNRS-3399, Université de Reims Champagne-Ardenne, 51687 Reims, France
  • MR Author ID: 132355
  • Email: jean.nourrigat@univ-reims.fr
  • Received by editor(s): March 11, 2013
  • Received by editor(s) in revised form: July 13, 2013, September 6, 2013, September 19, 2013, and October 9, 2013
  • Published electronically: December 22, 2014

  • Dedicated: Dedicated to the memory of Bernard Lascar
  • Communicated by: Michael Hitrik
  • © Copyright 2014 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 143 (2015), 2057-2068
  • MSC (2010): Primary 35S05
  • DOI: https://doi.org/10.1090/S0002-9939-2014-12379-3
  • MathSciNet review: 3314115