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math.FA2024
Controlled -frames in Hilbert spaces
H. Hedayatirad, T. L. Shateri
In the present paper, we introduce the notion of controlled -frames. Then we investigate and study some properties of them and characterize all controlled -duals associated w…
math.FA2024
--frames
H. Hedayatirad, T. L. Shateri
In the present paper, we introduce the notion of --frames for a separable Hilbert spaces , where is an invertible infinite matrix mapping on the Hilbert space…
math.FA2024
On -frames in Hilbert spaces
H. Hedayatirad, T. L. Shateri
In this paper, we have stated some results about this concept. Furthermore, we introduce the notion of controlled -frames and we characterize all controlled -duals associated…