Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4620488 | Journal of Mathematical Analysis and Applications | 2009 | 7 Pages |
Abstract
We give simple necessary and sufficient conditions on Bessel sequences {fi} and {gi} and operators L1, L2 on a Hilbert space H so that {L1fi+L2gi} is a frame for H. This allows us to construct a large number of new Hilbert space frames from existing frames.
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Mathematics
Analysis