2 papers
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…
math.CA2016
On the minimizers of the fusion frame potential
Sigrid B. Heineken, Juan P. Llarena, Patricia M. Morillas
We study the minimizers of the fusion frame potential in the case that both the weights and the dimensions of the subspaces are fixed and not necessarily equal. Using a concept of…