most citedA Beurling-Helson type theorem for modulation spaces

4 citations · 4 across the 4 of their papers we have counts for

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math.CA2008

Frame potential and finite abelian groups

Brody D. Johnson, Kasso A. Okoudjou

This article continues a prior investigation of the authors with the goal of extending characterization results of convolutional tight frames from the context of cyclic groups to g…

math.CA2008★ 4 cited

A Beurling-Helson type theorem for modulation spaces

Kasso A Okoudjou

We prove a Beurling-Helson type theorem on modulation spaces. More precisely, we show that the only changes of variables that leave invariant the modulation space…