2 papers
math.FA2005
Density, Overcompleteness, and Localization of Frames. II. Gabor Systems
R. Balan, P. G. Casazza, C. Heil +1
This work developes a quantitative framework for describing the overcompleteness of a large class of frames. A previous paper introduced notions of localization and approximation b…
math.FA2005
Density, Overcompleteness, and Localization of Frames. I. Theory
R. Balan, P. G. Casazza, C. Heil +1
This work presents a quantitative framework for describing the overcompleteness of a large class of frames. It introduces notions of localization and approximation between two fram…