Approximation of the inverse G-frame operator |
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Authors: | M R ABDOLLAHPOUR A NAJATI |
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Affiliation: | 1.Department of Mathematics, Faculty of Sciences,University of Mohaghegh Ardabili,Ardabil,Iran |
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Abstract: | In this paper, we introduce the concept of (strong) projection method for g-frames which works for all conditional g-Riesz frames. We also derive a method for approximation of the inverse g-frame operator which is efficient for all g-frames. We show how the inverse of g-frame operator can be approximated as close as we like using finite-dimensional linear algebra. |
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