A+ CATEGORY SCIENTIFIC UNIT

Subsequences of frames

Volume 145 / 2001

R. Vershynin Studia Mathematica 145 (2001), 185-197 MSC: 46C05, 46B07. DOI: 10.4064/sm145-3-1

Abstract

Every frame in Hilbert space contains a subsequence equivalent to an orthogonal basis. If a frame is $n$-dimensional then this subsequence has length $(1 - \varepsilon ) n$. On the other hand, there is a frame which does not contain bases with brackets.

Authors

  • R. VershyninFaculty of Mathematics and Computer Science
    The Weizmann Institute of Science
    Rehovot 76100, Israel
    e-mail

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