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math.NA2013
Scalable Frames and Convex Geometry
Gitta Kutyniok, Kasso A. Okoudjou, Friedrich Philipp
The recently introduced and characterized scalable frames can be considered as those frames which allow for perfect preconditioning in the sense that the frame vectors can be resca…
math.NA2012
Scalable Frames
Gitta Kutyniok, Kasso A. Okoudjou, Friedrich Philipp +1
Tight frames can be characterized as those frames which possess optimal numerical stability properties. In this paper, we consider the question of modifying a general frame to gene…