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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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Weakly null sequences with an unconditional subsequence
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by Alexander D. Arvanitakis PDF
Proc. Amer. Math. Soc. 134 (2006), 67-74 Request permission

Abstract:

In the present paper we provide sufficient conditions such that a normalized pointwise convergent to zero sequence in $C(K, X)$ with $K$ a compact space and $X$ a Banach space has an unconditional subsequence. As a consequence we obtain that any such sequence of functions $(f_n)_n$ with finite and uniformly bounded cardinality of their range admits an unconditional subsequence.
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Additional Information
  • Alexander D. Arvanitakis
  • Affiliation: Department of Mathematics, National Technical University of Athens, Zografou Campus, 15780, Athens, Greece
  • Email: aarva@math.ntua.gr
  • Received by editor(s): April 2, 2004
  • Received by editor(s) in revised form: September 1, 2004
  • Published electronically: August 12, 2005
  • Additional Notes: The author was partially supported by EPEAEK research program Pythagoras
  • Communicated by: N. Tomczak-Jaegermann
  • © Copyright 2005 American Mathematical Society
    The copyright for this article reverts to public domain 28 years after publication.
  • Journal: Proc. Amer. Math. Soc. 134 (2006), 67-74
  • MSC (2000): Primary 05D10, 46B15
  • DOI: https://doi.org/10.1090/S0002-9939-05-07948-7
  • MathSciNet review: 2170544