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math.CA2025
On Wiener's Lemma on locally compact abelian groups
Philippe Jaming, Karim Kellay, Rolando Perez
We establish a general form of Wiener's lemma for measures on locally compact abelian (LCA) groups by using Fourier analysis and the theory of F{ø}lner sequences. Our approach prov…
math.CA2024
On L1-norms for non-harmonic trigonometric polynomials with sparse frequencies
Philippe Jaming, Karim Kellay, Chadi Saba +1
In this paper we show that, if an increasing sequence has gaps going to infinity when , then for every and…