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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.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

The identity of weak and strong extensions of pseudo-differential operators
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by Fernando Cardoso PDF
Proc. Amer. Math. Soc. 29 (1971), 118-122 Request permission

Abstract:

In this paper we consider first order Kohn and Nirenberg pseudo-differential operators, define their weak and strong ${L_2}$ extensions and prove, by standard mollifiers and Fourier transform techniques, the identity between them.
References
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Additional Information
  • © Copyright 1971 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 29 (1971), 118-122
  • MSC: Primary 47.70
  • DOI: https://doi.org/10.1090/S0002-9939-1971-0275238-9
  • MathSciNet review: 0275238