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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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Scaled-oscillation and regularity
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by Zoltán M. Balogh and Marianna Csörnyei PDF
Proc. Amer. Math. Soc. 134 (2006), 2667-2675 Request permission

Abstract:

We give sufficient conditions for Sobolev and Lipschitz functions in terms of their lower scaled-oscillation. The sharpness of these conditions is shown by examples. Our examples also show that a Stepanov-type differentiability theorem does not hold under the boundedness assumption of the lower scaled-oscillation.
References
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Additional Information
  • Zoltán M. Balogh
  • Affiliation: Mathematisches Institut, Universität Bern, CH–3012 Sidlerstrasse 5, Bern, Switzerland
  • Email: zoltan.balogh@math-stat.unibe.ch
  • Marianna Csörnyei
  • Affiliation: Department of Mathematics, University College London, Gower Street, London WC1E 6BT, United Kingdom
  • Email: mari@math.ucl.ac.uk
  • Received by editor(s): May 27, 2004
  • Received by editor(s) in revised form: April 3, 2005
  • Published electronically: March 23, 2006
  • Communicated by: Juha M. Heinonen
  • © Copyright 2006 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 134 (2006), 2667-2675
  • MSC (2000): Primary 26B35; Secondary 26B05
  • DOI: https://doi.org/10.1090/S0002-9939-06-08290-6
  • MathSciNet review: 2213746