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We construct a uniformly discrete sequence { λ 1 < λ 2 < ⋯ } ⊂ R and functions g and { g n ⁎ } in L 2 ( R ) , such that every f ∈ L 2 ( R ) admits a series expansion f ( x ) = ∑ n = 1 ∞ 〈 f , g n ⁎ 〉 g ( x − λ n ) convergent in the L 2 ( R ) norm.

Authors

Publication Details

Journal
Journal of Functional Analysis
Published
2025-12-19
DOI
https://doi.org/10.1016/j.jfa.2025.111318
Primary Topic
Mathematical Analysis and Transform Methods
Type
article
Field-Weighted Citation Impact
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article

Schauder frames of discrete translates in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"> <mml:msup> <mml:mrow> <mml:mi>L</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>2</mml:mn> </mml:mrow> </mml:msup> <mml:mo stretchy="false">(

Anton Tselishchev, Nir Lev
Journal of Functional Analysis
Mathematical Analysis and Transform Methods
article

Schauder frames of discrete translates in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"> <mml:msup> <mml:mrow> <mml:mi>L</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>2</mml:mn> </mml:mrow> </mml:msup> <mml:mo stretchy="false">(

Anton Tselishchev, Nir Lev
article en

Abstract

We construct a uniformly discrete sequence { λ 1 < λ 2 < ⋯ } ⊂ R and functions g and { g n ⁎ } in L 2 ( R ) , such that every f ∈ L 2 ( R ) admits a series expansion f ( x ) = ∑ n = 1 ∞ 〈 f , g n ⁎ 〉 g ( x − λ n ) convergent in the L 2 ( R ) norm.

Journal of Functional AnalysisVol. 290(7)
Openalex Percentile: Top 46%
Mathematical Analysis and Transform Methods
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Schauder frames of discrete translates in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"> <mml:msup> <mml:mrow> <mml:mi>L</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>2</mml:mn> </mml:mrow> </mml:msup> <mml:mo stretchy="false">( — Anton Tselishchev, Nir Lev · Journal of Functional Analysis (2025) | TGRS Research Map | TGRS