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math.FA2021
Embeddings of anisotropic Besov spaces into Sobolev spaces
David Bartusel, Hartmut Führ
We study the embeddings of (homogeneous and inhomogeneous) anisotropic Besov spaces associated to an expansive matrix into Sobolev spaces, with focus on the influence of on…
math.RT2021
Phase retrieval for affine groups over prime fields
David Bartusel, Hartmut Führ, Vignon Oussa
We study phase retrieval for group frames arising from permutation representations, focusing on the action of the affine group of a finite field. We investigate various versions of…