2 papers
math.FA2020
Positive operator-valued measures and densely-defined operator-valued frames
Benjamin Robinson, Bill Moran, Doug Cochran
In the signal-processing literature, a frame is a mechanism for performing analysis and reconstruction in a Hilbert space. By contrast, in quantum theory, a positive operator-value…
math.RT2014
Operator-Valued Frames for the Heisenberg Group
Benjamin Robinson, William Moran, Douglas Cochran +1
A classical result of Duffin and Schaeffer gives conditions under which a discrete collection of characters on , restricted to , forms a Hilbert-space…