Subsequences of frames ∗
نویسنده
چکیده
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 − ε)n. On the other hand, there is a frame which does not contain bases with brackets.
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متن کامل. FA ] 1 5 Fe b 19 99 Subsequences of frames
Every frame in Hilbert space contains a subsequence equivalent to an orthogonal basis. If a frame is n-dimensional then this sub-sequence has length (1 − ε)n. On the other hand, there is a frame which does not contain bases with brackets.
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تاریخ انتشار 1999