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Gröchenig, Karlheinz; Kutyniok, Gitta ORCID logoORCID: https://orcid.org/0000-0001-9738-2487 und Seip, Kristian (1. Oktober 2008): Landau's necessary density conditions for LCA groups. In: Journal of Functional Analysis, Bd. 255, Nr. 7: S. 1831-1850

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Abstract

We derive necessary conditions for sampling and interpolation of bandlimited functions on a locally compact abelian group in line with the classical results of H. Landau for bandlimited functions on Rd. Our conditions are phrased as comparison principles involving a certain canonical lattice.

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