| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9502821 | Journal of Mathematical Analysis and Applications | 2005 | 15 Pages |
Abstract
In this paper we give new characterizations of Riesz and conditional Riesz frames in terms of the properties of the nullspace of their synthesis operators. On the other hand, we also study the oblique dual frames whose coefficients in the reconstruction formula minimize different weighted norms.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
J. Antezana, G. Corach, M. Ruiz, D. Stojanoff,