Abstract
We present a characterization of Riesz bases in terms ofthe angles
between certain finite dimensional subspaces. Correlationsbetween
the bounds of the Riesz basis and the size of the angles
arederived.
| Original language | English |
|---|---|
| Journal | Unknown title |
| Pages (from-to) | 1-4 |
| Publication status | Published - 1999 |
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