9 citations · 24 across the 17 of their papers we have counts for
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math.FA2013
Procrustes problems and Parseval quasi-dual frames
G. Corach, P. Massey, M. Ruiz
Parseval frames have particularly useful properties, and in some cases, they can be used to reconstruct signals which were analyzed by a non-Parseval frame. In this paper, we compl…
math.FA2013
Optimal frame completions with prescribed norms for majorization
Pedro Massey, Mariano Ruiz, Demetrio Stojanoff
Given a finite sequence of vectors in $\C^d$ we characterize in a complete and explicit way the optimal completions of obtained by adding a finite seq…