Showing math.FAShow all
2 papers · 1 filter
math.FA2024
Approximate oblique duality for fusion frames
Jorge P. Díaz, Sigrid B. Heineken, Patricia M. Morillas
Fusion frames are a convenient tool in applications where we deal with a large amount of data or when a combination of local data is needed. Oblique dual fusion frames are suitable…
math.FA2019
Balanced frames: a useful tool in signal processing with good properties
Sigrid B. Heineken, Patricia M. Morillas, Pablo Tarazaga
So far there has not been paid attention to frames that are balanced, i.e. those frames which sum is zero. In this paper we consider balanced frames, and in particular balanced uni…