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math.FA2024
Criteria for the existence of Schwartz Gabor frames over rational lattices
Ulrik Enstad, Hannes Thiel, Eduard Vilalta
We give an explicit criterion for a rational lattice in the time-frequency plane to admit a Gabor frame with window in the Schwartz class. The criterion is an inequality formulated…
math.FA2014★ 1 cited
Functoriality of group algebras acting on -spaces
Eusebio Gardella, Hannes Thiel
We continue our study of group algebras acting on -spaces, particularly of algebras of -pseudofunctions of locally compact groups. We focus on the functoriality properties…