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math.FA2024
On spectrally optimal duals of frames generated by graphs
Deepshikha, Aniruddha Samanta
Recently, the concept of frames generated by graphs has been introduced in \cite{D}. In this paper, we study spectrally optimal dual frames of frames generated by graphs. We show t…
math.FA2024
Frames generated by graphs
Deepshikha
Frames are the most natural generalization of orthonormal bases that allow the inclusion of redundant systems. In this article, we introduce the concept of frames generated by grap…