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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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Equivalent quasi-norms on Lorentz spaces
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by David E. Edmunds and Bohumír Opic PDF
Proc. Amer. Math. Soc. 131 (2003), 745-754 Request permission


We give new characterizations of Lorentz spaces by means of certain quasi-norms which are shown to be equivalent to the classical ones.
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Additional Information
  • David E. Edmunds
  • Affiliation: Centre for Mathematical Analysis and Its Applications, University of Sussex, Falmer, Brighton BN1 9QH, England
  • MR Author ID: 61855
  • Email:
  • Bohumír Opic
  • Affiliation: Mathematical Institute, Academy of Sciences of the Czech Republic, Žitná 25, 115 67 Praha 1, Czech Republic
  • Email:
  • Received by editor(s): July 1, 2001
  • Published electronically: October 15, 2002
  • Additional Notes: This research was supported by NATO Collaborative Research Grant PST.CLG 970071 and by grant no. 201/01/0333 of the Grant Agency of the Czech Republic
  • Communicated by: Andreas Seeger
  • © Copyright 2002 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 131 (2003), 745-754
  • MSC (2000): Primary 46E30, 26D10, 47B38, 47G10
  • DOI:
  • MathSciNet review: 1937412