148 citations
- Research Institute for Astronomy and Astrophysics of MaraghIR63 papers
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16 papers · 1 filter
Controlled weaving frames in Hilbert spaces
Reza Rezapour, Asghar Rahimi, E. Osgooei +1
In this paper, we first introduce the notion of controlled weaving K-g-frames in Hilbert spaces. Then, we present sufficient conditions for controlled weaving K-g-frames in separab…
Frame related operators for woven frames
Asghar Rahimi, Zahra Samadzadeh, Bayaz Daraby
A new notion in frame theory has been introduced recently under the name woven-weaving frames by Bemrose et. al. In the studying of frames, some operators like analysis, synthesis,…
U-cross Gram matrices and their invertibility
Peter Balazs, Mitra Shamsabadi, Ali Akbar Arefijamaal +1
The Gram matrix is defined for Bessel sequences by combining synthesis with subsequent analysis operators. If different sequences are used and an operator U is inserted we reach so…
Generalized Bessel multipliers in Hilbert spaces
GH. Abbaspour Tabadkan, H. Hossein-nezhad, A. Rahimi
The notation of generalized Bessel multipliers is obtained by a bounded operator on which is inserted between the analysis and synthesis operators. We show that various pr…
Finite equal norm Parseval Wavelet Frames over Prime Fields
Asghar Rahimi, Niloufar Seddighi
In the framework of wave packet analysis, finite wavelet systems are particular classes of finite wave packet systems. In this paper, using a scaling matrix on a permuted version o…
A Constructive Approach to the Finite Wavelet Frames over Prime Fields
Asghar Rahimi, Niloufar Seddighi
In this article, we present a constructive method for computing the frame coefficients of finite wavelet frames over prime fields using tools from computational harmonic analysis a…