Oblique projections and frames
We characterize those frames on a Hilbert space H which can be represented as the image of an orthonormal basis by an oblique projection defined on an extension K. of H. We show that all frames with infinite excess and frame bounds 1 ≤ A ≤ B are of this type. This gives a generalization of a result...
Guardado en:
| Autores principales: | Antezana, J., Corach, G., Ruiz, M., Stojanoff, D. |
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| Formato: | JOUR |
| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00029939_v134_n4_p1031_Antezana |
| Aporte de: |
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