Abstract
A fundamental notion in Hilbert space frame theory is to compute the distance between frames and the distance between subspaces of a Hilbert space. One space these problems arise is with a number of algorithms which serve to approximate frame operators or inverse operators [5]. There are six standard distance functions used in frame theory. In this paper we will establish the exact relationship between all of these distance functions.
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Acknowledgements
The authors were supported by NSF DMS 1609760; NSF ATD 1321779; and ARO W911NF-16-1-0008.
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Bemrose, T., Casazza, P.G., Cheng, D., Haas, J., Van Nguyen, H. (2017). Computing the Distance Between Frames and Between Subspaces of a Hilbert Space. In: Pesenson, I., Le Gia, Q., Mayeli, A., Mhaskar, H., Zhou, DX. (eds) Frames and Other Bases in Abstract and Function Spaces. Applied and Numerical Harmonic Analysis. Birkhäuser, Cham. https://doi.org/10.1007/978-3-319-55550-8_5
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DOI: https://doi.org/10.1007/978-3-319-55550-8_5
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