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math.FA2021
Robustness of controlled fusion frames under erasures of subspaces and the approximation operator
Reza Ahmadi, Gholamreza Rahimlou, Vahid Sadri
Controlled frames which presented to improve the numerical output of iterative algorithms for inverting the frame operator, have been introduced by Balazs and et al. Also, these fr…
math.FA2021
Equal-norm parseval K-frames in Hilbert Spaces
Vahid Sadri, Gholamreza Rahimlou
In this paper, we focus on frames of operators or K-frames on Hilbert spaces in Parseval cases. Since equal-norm tight frames play important roles for robust data transmission, we…