Geodesic
Subsequences of frames
R. Vershynin1
1 Faculty of Mathematics and Computer Science The Weizmann Institute of Science Rehovot 76100, Israel
Studia Mathematica, Tome 145 (2001) no. 3, pp. 185-197

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

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.
DOI : 10.4064/sm145-3-1
Keywords: every frame hilbert space contains subsequence equivalent orthogonal basis frame n dimensional subsequence has length varepsilon other there frame which does contain bases brackets

R. Vershynin 1

1 Faculty of Mathematics and Computer Science The Weizmann Institute of Science Rehovot 76100, Israel 
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R. Vershynin. Subsequences of frames. Studia Mathematica, Tome 145 (2001) no. 3, pp. 185-197. doi: 10.4064/sm145-3-1

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