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Some Properties of Operator-valued Frames by Gavruta, L.; Gavruta, P. is a scholarly article available to read on EtoBox.

What is Some Properties of Operator-valued Frames about?

Operator-valued frames (or g-frames) are generalizations of frames and fusion frames and have been used in packets encoding, quantum computing, theory of coherent states and more. In this paper, we give a new formula for operator-valued frames for finite dimensional Hilbert spaces. As an application, we derive in a simple manner a recent result of A. Najati concerning the approximation of g-frames by Parseval ones. We obtain also some results concerning the best approximation of operator-valued frames by its alternate duals, with optimal estimates.

Author

Gavruta, L.; Gavruta, P.

Published

2015

Language

EN