2008
DOI: 10.1007/s00041-008-9026-0
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Beurling Dimension of Gabor Pseudoframes for Affine Subspaces

Abstract: Abstract. Pseudoframes for subspaces have been recently introduced by S. Li and H. Ogawa as a tool to analyze lower dimensional data with arbitrary flexibility of both the analyzing and the dual sequence.In this paper we study Gabor pseudoframes for affine subspaces by focusing on geometrical properties of their associated sets of parameters. We first introduce a new notion of Beurling dimension for discrete subsets of R d by employing a certain generalized Beurling density. We present several properties of Be… Show more

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Cited by 20 publications
(11 citation statements)
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“…One result on Beurling dimension that we will use in the main section of this paper is the following [8,9].…”
Section: Beurling Dimensionmentioning
confidence: 98%
“…One result on Beurling dimension that we will use in the main section of this paper is the following [8,9].…”
Section: Beurling Dimensionmentioning
confidence: 98%
“…3.3. Given a set Λ ⊂ R d , one defines its upper Beurling dimension to be the infimum of the numbers α for which there exists a constant C such that (3.3) holds (see [CKS08]). Lemma 3.1 thus shows that if E(Λ) is a Bessel system for a measure µ satisfying the condition (3.1) for some α, then the upper Beurling dimension of Λ cannot exceed α.…”
Section: Recall That a System Of Vectors {Fmentioning
confidence: 99%
“…If D + (Λ) = D − (Λ), then we say that Λ has uniform Beurling density and we denote this density by D(Λ) (see [4]). Gabardo [8] established a connection between certain convolution inequalities for positive Borel measures in R n and the corresponding notions of Beurling density associated with such measures.…”
Section: Preliminariesmentioning
confidence: 99%