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JOURNALS // Chebyshevskii Sbornik // Archive
Chebyshevskii Sb., 2021 Volume 22, Issue 3, Pages 464–466 (Mi cheb1088)
This article is cited in 1 paper

BRIEF MESSAGE

Ball's lemma as an exercise

E. Liflyand

Bar-Ilan University (Ramat-Gan, Israel)

Abstract: We suggest an extremely short proof of Ball's lemma by means of harmonic analysis only.

Keywords: Ball's lemma, Fourier transform, Hausdorff–Young inequality, Babenko–Beckner constant.

UDC: 517.58

Received: 10.09.2020
Accepted: 20.09.2021

Language: English

DOI: 10.22405/2226-8383-2018-22-3-464-466


© Steklov Math. Inst. of RAS, 2025